chore: v4.11.1

fix(data): fix semaphore viem class (#985 )
re #984
2026-01-13 00:28:00 -05:00 · 2025-05-21 16:49:07 +02:00 · 2025-05-21 16:44:38 +02:00 · 2025-05-20 14:00:27 +02:00 · 2025-05-20 13:51:34 +02:00 · 2025-05-19 13:54:36 +02:00
47 changed files with 1976 additions and 197 deletions
--- a/README.md
+++ b/README.md
@@ -373,12 +373,28 @@ The output will be placed on the `docs` folder.

 ### Releases

-Bump a new version with:
+Steps:
+
+1. Bump a new version with:

 ```bash
 yarn version:bump <version>
 # e.g. yarn version:bump 2.0.0
 ```

-It will create a commit and a git tag that will need to be pushed on the main branch. A workflow will be triggered and will
-publish the Semaphore packages on [npm](https://www.npmjs.com/) and release a new version on Github with its changelogs automatically.
+This step creates a commit and a git tag.
+
+2. Push the changes to main:
+
+```bash
+git push origin main
+```
+
+3. Push the new git tag:
+
+```bash
+git push origin <version>
+# e.g. git push origin v2.0.0
+```
+
+After pushing the new git tag, a workflow will be triggered to publish the Semaphore packages on [npm](https://www.npmjs.com/) and release a new version on GitHub with its changelogs automatically.
--- a/apps/docs/package.json
+++ b/apps/docs/package.json
@@ -19,7 +19,7 @@
        "@docusaurus/core": "3.5.2",
        "@docusaurus/preset-classic": "3.5.2",
        "@mdx-js/react": "^3.0.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/utils": "4.11.1",
        "@svgr/webpack": "^5.5.0",
        "clsx": "^1.2.1",
        "docusaurus-plugin-sass": "^0.2.5",
--- a/apps/docs/versioned_docs/version-V4/glossary.md
+++ b/apps/docs/versioned_docs/version-V4/glossary.md
@@ -14,7 +14,7 @@ The public [Semaphore identity](#identity) value used in [Semaphore groups](#gro

 ## Group

-A group is a [Merkle tree](#merkle-tree) in which each leaf is an [identity commitment](#identity-commitment) for a user. Semaphore uses the [LeanIMT](https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html) implementation, which is an optimized binary incremental Merkle tree. The tree nodes are calculated using [Poseidon](https://www.poseidon-hash.info).
+A group is a [Merkle tree](#merkle-tree) in which each leaf is an [identity commitment](#identity-commitment) for a user. Semaphore uses the [LeanIMT](https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html) implementation, which is an optimized binary incremental Merkle tree. The tree nodes are calculated using [Poseidon](https://www.poseidon-hash.info).

 ## Merkle tree

--- a/apps/docs/versioned_docs/version-V4/guides/identities.mdx
+++ b/apps/docs/versioned_docs/version-V4/guides/identities.mdx
@@ -87,6 +87,11 @@ You may choose to delegate such functionality to existing wallets such as Metama
 3. The user can now recreate their Semaphore identity whenever they want by signing the same message with their Ethereum account in Metamask.
   :::

+:::warning Privacy risk
+If a user signs the **same message** on multiple websites using MetaMask, all those websites will be able to **generate the same Semaphore identity**. This undermines anonymity and may allow third parties to **link identities across platforms** or even **gain control over a user's identity**.\
+To mitigate this, encourage users to sign **unique messages per application** or implement safeguards that detect and warn about reuse.
+:::
+
 ## Sign and verify messages

 Semaphore V4 uses asymmetric cryptography and in particular EdDSA to generate the identity keys. It is therefore also possible to sign messages and verify their signatures.
--- a/apps/docs/versioned_docs/version-V4/what-is-semaphore.md
+++ b/apps/docs/versioned_docs/version-V4/what-is-semaphore.md
@@ -11,6 +11,8 @@ slug: /
 Additionally, it provides a simple mechanism to prevent double-signaling.
 Use cases include private voting, whistleblowing, anonymous DAOs and mixers.

+For in-depth technical details about Semaphore, refer to the [Semaphore V4 Specification](https://github.com/zkspecs/zkspecs/blob/main/specs/3/README.md).
+
 ## Features

 With Semaphore, you can allow your users to do the following:
--- a/apps/subgraph/README.md
+++ b/apps/subgraph/README.md
@@ -47,6 +47,7 @@ You can access any subgraph supported by Semaphore with the following URL: `http
 Supported networks:

 -   `sepolia`
+-   `ethereum`
 -   `optimism`
 -   `optimism-sepolia`
 -   `arbitrum`
--- a/apps/subgraph/package.json
+++ b/apps/subgraph/package.json
@@ -9,8 +9,8 @@
        "codegen:sepolia": "yarn codegen sepolia",
        "build": "graph build",
        "build:sepolia": "yarn codegen:sepolia && graph build",
-        "auth": "graph auth --studio",
-        "deploy": "graph deploy --studio ${0}",
+        "auth": "graph auth",
+        "deploy": "graph deploy ${0}",
        "start-ipfs": "node scripts/start-ipfs.js",
        "create-local": "graph create --node http://localhost:8020/ semaphore",
        "remove-local": "graph remove --node http://localhost:8020/ semaphore",
--- a/apps/subgraph/scripts/generate-subgraph.js
+++ b/apps/subgraph/scripts/generate-subgraph.js
@@ -15,6 +15,10 @@ function mapNetwork(n) {
        return "arbitrum-one"
    }

+    if (n === "ethereum") {
+        return "mainnet"
+    }
+
    return network
 }

--- a/apps/website/src/data/articles.json
+++ b/apps/website/src/data/articles.json
@@ -47,5 +47,12 @@
        "date": "2024-12-09",
        "authors": ["glasswing"],
        "url": "https://mirror.xyz/0xBE98D44c29D179588b7E717Db8898529e5cD770F/5Xlv1jzwJKfKgP-m257kjivBlUIM_cwTzsmpf9F0Su8"
+    },
+    {
+        "title": "Semaphore V4 Specification",
+        "minRead": 10,
+        "date": "2025-03-01",
+        "authors": ["Semaphore Team"],
+        "url": "https://github.com/zkspecs/zkspecs/blob/main/specs/3/README.md"
    }
 ]
--- a/apps/website/src/data/events.json
+++ b/apps/website/src/data/events.json
@@ -1,20 +1,20 @@
 [
    {
-        "name": "DIF - Decentralized Identity Foundation",
-        "date": "Oct 1 - Nov 4, 2024",
-        "description": "Semaphore team will deliver a talk and sponsor prizes for the online hackathon.",
-        "link": "https://identity.foundation/"
+        "name": "ETHDam",
+        "date": "May 9-11, 2025",
+        "description": "Semaphore team will deliver an in-person talk.",
+        "link": "https://www.ethdam.com/"
    },
    {
-        "name": "Devcon",
-        "date": "Nov 12-15, 2024",
+        "name": "ZuBerlin",
+        "date": "June 14-22, 2025",
+        "description": "Semaphore team will deliver an in-person talk.",
+        "link": "https://zuberlin.city/"
+    },
+    {
+        "name": "Devconnect",
+        "date": "Nov 17-22, 2025",
        "description": "Semaphore team will deliver an in-person talk and run workshops.",
-        "link": "https://devcon.org/en/"
-    },
-    {
-        "name": "ETHIndia",
-        "date": "Dec 6-8, 2024",
-        "description": "Semaphore team will deliver an in-person talk on Semaphore and Bandada.",
-        "link": "https://ethindia.co"
+        "link": "https://devconnect.org/"
    }
 ]
--- a/apps/website/src/data/projects.json
+++ b/apps/website/src/data/projects.json
@@ -575,5 +575,16 @@
        "links": {
            "github": "https://github.com/quartz-technology/obscurus"
        }
+    },
+    {
+        "name": "Semaphore Modular Smart Account Modules",
+        "categories": ["Wallet", "Privacy"],
+        "tagline": "Anonymous multi-sig wallet with Semaphore",
+        "pse": false,
+        "icon": "",
+        "links": {
+            "github": "https://github.com/jimmychu0807/semaphore-msa-modules",
+            "website": "https://semaphore-msa-modules.jimmychu0807.hk"
+        }
    }
 ]
--- a/apps/website/src/data/roadmap.json
+++ b/apps/website/src/data/roadmap.json
@@ -28,11 +28,19 @@
        "done": true
    },
    {
-        "name": "Semaphore Spec",
-        "done": false
+        "name": "Semaphore V4 Specification",
+        "done": true
    },
    {
        "name": "Semaphore Rust Implementation",
+        "done": true
+    },
+    {
+        "name": "Semaphore Noir Implementation",
+        "done": false
+    },
+    {
+        "name": "Scaling Semaphore with PIR",
        "done": false
    }
 ]
--- a/packages/circuits/package.json
+++ b/packages/circuits/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/circuits",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Semaphore Circom circuits to generate zero-knowledge proofs.",
    "license": "MIT",
    "files": [
--- a/packages/circuits/src/semaphore.circom
+++ b/packages/circuits/src/semaphore.circom
@@ -56,7 +56,7 @@ template Semaphore(MAX_DEPTH) {
    // Proof of membership verification.
    // The Merkle root passed as output must be equal to that calculated within
    // the circuit through the inputs of the Merkle proof.
-    // See https://github.com/privacy-scaling-explorations/zk-kit/blob/main/packages/circuits/circom/binary-merkle-root.circom
+    // See https://github.com/privacy-scaling-explorations/zk-kit.circom/blob/main/packages/binary-merkle-root/src/binary-merkle-root.circom
    // to know more about how the 'BinaryMerkleRoot' template works.
    merkleRoot <== BinaryMerkleRoot(MAX_DEPTH)(identityCommitment, merkleProofLength, merkleProofIndices, merkleProofSiblings);

--- a/packages/cli-template-contracts-foundry/package.json
+++ b/packages/cli-template-contracts-foundry/package.json
@@ -1,11 +1,11 @@
 {
    "name": "@semaphore-protocol/cli-template-contracts-foundry",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Semaphore Foundry template.",
    "license": "Unlicense",
    "devDependencies": {
-        "@semaphore-protocol/contracts": "4.9.0",
-        "@zk-kit/lean-imt.sol": "2.0.0",
+        "@semaphore-protocol/contracts": "4.11.1",
+        "@zk-kit/lean-imt.sol": "2.0.1",
        "forge-std": "github:foundry-rs/forge-std#v1.9.4",
        "poseidon-solidity": "0.0.5",
        "prettier": "^3.2.5",
--- a/packages/cli-template-contracts-hardhat/package.json
+++ b/packages/cli-template-contracts-hardhat/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/cli-template-contracts-hardhat",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Semaphore Hardhat template.",
    "license": "Unlicense",
    "files": [
@@ -42,9 +42,9 @@
        "@nomicfoundation/hardhat-network-helpers": "^1.0.0",
        "@nomicfoundation/hardhat-toolbox": "^4.0.0",
        "@nomicfoundation/hardhat-verify": "^2.0.0",
-        "@semaphore-protocol/core": "4.9.0",
-        "@semaphore-protocol/hardhat": "4.9.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/core": "4.11.1",
+        "@semaphore-protocol/hardhat": "4.11.1",
+        "@semaphore-protocol/utils": "4.11.1",
        "@typechain/ethers-v6": "^0.5.0",
        "@typechain/hardhat": "^9.0.0",
        "@types/chai": "^4.2.0",
@@ -72,7 +72,7 @@
        "typescript": "^5.3.3"
    },
    "dependencies": {
-        "@semaphore-protocol/contracts": "4.9.0"
+        "@semaphore-protocol/contracts": "4.11.1"
    },
    "packageManager": "yarn@4.1.0"
 }
--- a/packages/cli-template-monorepo-ethers/apps/contracts/package.json
+++ b/packages/cli-template-monorepo-ethers/apps/contracts/package.json
@@ -20,9 +20,9 @@
        "@nomicfoundation/hardhat-network-helpers": "^1.0.0",
        "@nomicfoundation/hardhat-toolbox": "^4.0.0",
        "@nomicfoundation/hardhat-verify": "^2.0.0",
-        "@semaphore-protocol/core": "4.9.0",
-        "@semaphore-protocol/hardhat": "4.9.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/core": "4.11.1",
+        "@semaphore-protocol/hardhat": "4.11.1",
+        "@semaphore-protocol/utils": "4.11.1",
        "@typechain/ethers-v6": "^0.5.0",
        "@typechain/hardhat": "^9.0.0",
        "@types/chai": "^4.2.0",
@@ -50,7 +50,7 @@
        "typescript": "^5.3.3"
    },
    "dependencies": {
-        "@semaphore-protocol/contracts": "4.9.0"
+        "@semaphore-protocol/contracts": "4.11.1"
    },
    "packageManager": "yarn@4.1.0"
 }
--- a/packages/cli-template-monorepo-ethers/apps/web-app/package.json
+++ b/packages/cli-template-monorepo-ethers/apps/web-app/package.json
@@ -9,9 +9,9 @@
        "lint": "next lint"
    },
    "dependencies": {
-        "@semaphore-protocol/core": "4.9.0",
-        "@semaphore-protocol/data": "4.9.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/core": "4.11.1",
+        "@semaphore-protocol/data": "4.11.1",
+        "@semaphore-protocol/utils": "4.11.1",
        "ethers": "^6.13.4",
        "next": "14.1.0",
        "next-pwa": "^5.6.0",
--- a/packages/cli-template-monorepo-ethers/apps/web-app/src/app/group/page.tsx
+++ b/packages/cli-template-monorepo-ethers/apps/web-app/src/app/group/page.tsx
@@ -114,7 +114,7 @@ export default function GroupsPage() {
                </a>{" "}
                are{" "}
                <a
-                    href="https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html"
+                    href="https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html"
                    target="_blank"
                    rel="noreferrer noopener nofollow"
                >
--- a/packages/cli-template-monorepo-ethers/package.json
+++ b/packages/cli-template-monorepo-ethers/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/cli-template-monorepo-ethers",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Semaphore Hardhat + Next.js + SemaphoreEthers template.",
    "license": "Unlicense",
    "files": [
--- a/packages/cli-template-monorepo-subgraph/apps/contracts/package.json
+++ b/packages/cli-template-monorepo-subgraph/apps/contracts/package.json
@@ -20,9 +20,9 @@
        "@nomicfoundation/hardhat-network-helpers": "^1.0.0",
        "@nomicfoundation/hardhat-toolbox": "^4.0.0",
        "@nomicfoundation/hardhat-verify": "^2.0.0",
-        "@semaphore-protocol/core": "4.9.0",
-        "@semaphore-protocol/hardhat": "4.9.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/core": "4.11.1",
+        "@semaphore-protocol/hardhat": "4.11.1",
+        "@semaphore-protocol/utils": "4.11.1",
        "@typechain/ethers-v6": "^0.5.0",
        "@typechain/hardhat": "^9.0.0",
        "@types/chai": "^4.2.0",
@@ -50,7 +50,7 @@
        "typescript": "^5.3.3"
    },
    "dependencies": {
-        "@semaphore-protocol/contracts": "4.9.0"
+        "@semaphore-protocol/contracts": "4.11.1"
    },
    "packageManager": "yarn@4.1.0"
 }
--- a/packages/cli-template-monorepo-subgraph/apps/web-app/package.json
+++ b/packages/cli-template-monorepo-subgraph/apps/web-app/package.json
@@ -9,9 +9,9 @@
        "lint": "next lint"
    },
    "dependencies": {
-        "@semaphore-protocol/core": "4.9.0",
-        "@semaphore-protocol/data": "4.9.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/core": "4.11.1",
+        "@semaphore-protocol/data": "4.11.1",
+        "@semaphore-protocol/utils": "4.11.1",
        "ethers": "^6.13.4",
        "next": "14.1.0",
        "next-pwa": "^5.6.0",
--- a/packages/cli-template-monorepo-subgraph/apps/web-app/src/app/group/page.tsx
+++ b/packages/cli-template-monorepo-subgraph/apps/web-app/src/app/group/page.tsx
@@ -114,7 +114,7 @@ export default function GroupsPage() {
                </a>{" "}
                are{" "}
                <a
-                    href="https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html"
+                    href="https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html"
                    target="_blank"
                    rel="noreferrer noopener nofollow"
                >
--- a/packages/cli-template-monorepo-subgraph/apps/web-app/src/app/groups/page.tsx
+++ b/packages/cli-template-monorepo-subgraph/apps/web-app/src/app/groups/page.tsx
@@ -90,7 +90,7 @@ export default function GroupsPage() {
                </a>{" "}
                are{" "}
                <a
-                    href="https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html"
+                    href="https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html"
                    target="_blank"
                    rel="noreferrer noopener nofollow"
                >
--- a/packages/cli-template-monorepo-subgraph/package.json
+++ b/packages/cli-template-monorepo-subgraph/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/cli-template-monorepo-subgraph",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Semaphore Hardhat + Next.js + SemaphoreSubgraph template.",
    "license": "Unlicense",
    "files": [
--- a/packages/cli/package.json
+++ b/packages/cli/package.json
@@ -1,7 +1,7 @@
 {
    "name": "@semaphore-protocol/cli",
    "type": "module",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A command line tool to set up your Semaphore project and get group data.",
    "license": "MIT",
    "bin": {
@@ -41,8 +41,8 @@
        "rollup-plugin-cleanup": "^3.2.1"
    },
    "dependencies": {
-        "@semaphore-protocol/data": "4.9.0",
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/data": "4.11.1",
+        "@semaphore-protocol/utils": "4.11.1",
        "axios": "^1.6.7",
        "boxen": "^7.1.1",
        "chalk": "^5.3.0",
--- a/packages/contracts/contracts/package.json
+++ b/packages/contracts/contracts/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/contracts",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Semaphore contracts to manage groups and broadcast anonymous signals.",
    "license": "MIT",
    "files": [
@@ -30,6 +30,6 @@
        "access": "public"
    },
    "dependencies": {
-        "@zk-kit/lean-imt.sol": "2.0.0"
+        "@zk-kit/lean-imt.sol": "2.0.1"
    }
 }
--- a/packages/contracts/package.json
+++ b/packages/contracts/package.json
@@ -42,6 +42,6 @@
        "typescript": "^5.3.3"
    },
    "dependencies": {
-        "@zk-kit/lean-imt.sol": "2.0.0"
+        "@zk-kit/lean-imt.sol": "2.0.1"
    }
 }
--- a/packages/core/package.json
+++ b/packages/core/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/core",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "Core library for the essential Semaphore features.",
    "type": "module",
    "license": "MIT",
@@ -42,8 +42,8 @@
        "access": "public"
    },
    "dependencies": {
-        "@semaphore-protocol/group": "4.9.0",
-        "@semaphore-protocol/identity": "4.9.0",
-        "@semaphore-protocol/proof": "4.9.0"
+        "@semaphore-protocol/group": "4.11.1",
+        "@semaphore-protocol/identity": "4.11.1",
+        "@semaphore-protocol/proof": "4.11.1"
    }
 }
--- a/packages/data/README.md
+++ b/packages/data/README.md
@@ -49,8 +49,8 @@
    </h4>
 </div>

-| This library provides tools for querying and interacting with the [`Semaphore.sol`](https://github.com/semaphore-protocol/semaphore/blob/main/packages/contracts/contracts/Semaphore.sol) smart contract. It supports both the Semaphore subgraph and direct Ethereum network connections via Ethers. Designed for use in both Node.js and browser environments, it facilitates the management of group data and verification processes within the Semaphore protocol. |
-| ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
+| This library provides tools for querying and interacting with the [`Semaphore.sol`](https://github.com/semaphore-protocol/semaphore/blob/main/packages/contracts/contracts/Semaphore.sol) smart contract. It supports the Semaphore subgraph and direct Ethereum network connections via Ethers or Viem. Designed for use in both Node.js and browser environments, it facilitates the management of group data and verification processes within the Semaphore protocol. |
+| ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |

 ## 🛠 Install

@@ -173,10 +173,10 @@ const admin = await semaphoreEthers.getGroupAdmin("42")
 const members = await semaphoreEthers.getGroupMembers("42")
 ```

-**Fetch Verified Proofs**
+**Fetch Validated Proofs**

 ```typescript
-const verifiedProofs = await semaphoreEthers.getGroupVerifiedProofs("42")
+const verifiedProofs = await semaphoreEthers.getGroupValidatedProofs("42")
 ```

 **Check Group Membership**
@@ -187,3 +187,59 @@ const isMember = await semaphoreEthers.isGroupMember(
    "16948514235341957898454876473214737047419402240398321289450170535251226167324"
 )
 ```
+
+### Using Viem for Direct Blockchain Interaction
+
+**Initialize a Semaphore Viem instance**
+
+```typescript
+import { SemaphoreViem } from "@semaphore-protocol/data"
+
+const semaphoreViem = new SemaphoreViem()
+
+// or:
+const semaphoreViemOnSepolia = new SemaphoreViem("sepolia", {
+    address: "semaphore-address",
+    startBlock: 0n
+})
+
+// or:
+const localViemInstance = new SemaphoreViem("http://localhost:8545", {
+    address: "semaphore-address"
+})
+```
+
+With your SemaphoreViem instance, you can:
+
+**Fetch Group IDs**
+
+```typescript
+const groupIds = await semaphoreViem.getGroupIds()
+```
+
+**Fetch Group Details**
+
+```typescript
+const group = await semaphoreViem.getGroup("42")
+```
+
+**Fetch Group Members**
+
+```typescript
+const members = await semaphoreViem.getGroupMembers("42")
+```
+
+**Fetch Validated Proofs**
+
+```typescript
+const validatedProofs = await semaphoreViem.getGroupValidatedProofs("42")
+```
+
+**Check Group Membership**
+
+```typescript
+const isMember = await semaphoreViem.isGroupMember(
+    "42",
+    "16948514235341957898454876473214737047419402240398321289450170535251226167324"
+)
+```
--- a/packages/data/package.json
+++ b/packages/data/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/data",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A library for querying Semaphore smart contract.",
    "type": "module",
    "license": "MIT",
@@ -37,9 +37,10 @@
        "rollup-plugin-cleanup": "^3.2.1"
    },
    "dependencies": {
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/utils": "4.11.1",
        "@zk-kit/utils": "1.3.0",
        "axios": "1.6.6",
-        "ethers": "6.13.4"
+        "ethers": "6.13.4",
+        "viem": "2.23.7"
    }
 }
--- a/packages/data/src/getURL.ts
+++ b/packages/data/src/getURL.ts
@@ -12,5 +12,5 @@ export default function getURL(supportedNetwork: SupportedNetwork): string {
        throw new TypeError(`Network '${supportedNetwork}' is not supported`)
    }

-    return `https://api.studio.thegraph.com/query/14377/semaphore-${supportedNetwork}/v4.2.0`
+    return `https://api.studio.thegraph.com/query/14377/semaphore-${supportedNetwork}/v4.3.0`
 }
--- a/packages/data/src/index.ts
+++ b/packages/data/src/index.ts
@@ -1,5 +1,6 @@
 import SemaphoreEthers from "./ethers"
 import SemaphoreSubgraph from "./subgraph"
+import SemaphoreViem from "./viem"

 export * from "./types"
-export { SemaphoreSubgraph, SemaphoreEthers }
+export { SemaphoreSubgraph, SemaphoreEthers, SemaphoreViem }
--- a/packages/data/src/subgraph.ts
+++ b/packages/data/src/subgraph.ts
@@ -10,7 +10,7 @@ import { jsDateToGraphqlDate } from "./utils"
 * The SemaphoreSubgraph class provides an interface to interact with the Semaphore smart contract
 * via subgraph queries. It enables operations such as retrieving lists of group members and validated proofs,
 * as well as checking membership within groups.
- * Each group in Semaphore is represented as a {@link https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html | LeanIMT}
+ * Each group in Semaphore is represented as a {@link https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html | LeanIMT}
 * (Lean Incremental Merkle Tree). This class supports interaction through either a
 * {@link SupportedNetwork} or a direct URL to the subgraph. The subgraphs themselves are hosted on
 * {@link https://thegraph.com/ | The Graph} protocol, facilitating efficient and decentralized query processing.
--- a/packages/data/src/types/index.ts
+++ b/packages/data/src/types/index.ts
@@ -1,3 +1,5 @@
+import { Chain, Transport } from "viem"
+
 export type EthersNetwork =
    | "mainnet"
    | "sepolia"
@@ -12,6 +14,8 @@ export type EthersNetwork =
    | "linea"
    | "linea-sepolia"

+export type ViemNetwork = EthersNetwork
+
 export type GroupOptions = {
    members?: boolean
    validatedProofs?: boolean
@@ -54,3 +58,11 @@ export type EthersOptions = {
    applicationId?: string // Pocket
    applicationSecret?: string // Pocket
 }
+
+export type ViemOptions = {
+    address?: string
+    startBlock?: bigint | number
+    transport?: Transport // Transport from viem
+    chain?: Chain // Chain from viem
+    apiKey?: string
+}
--- a/packages/data/src/viem.ts
+++ b/packages/data/src/viem.ts
@@ -0,0 +1,403 @@
+import {
+    SupportedNetwork,
+    defaultNetwork,
+    getDeployedContract,
+    isSupportedNetwork
+} from "@semaphore-protocol/utils/networks"
+import { SemaphoreABI } from "@semaphore-protocol/utils/constants"
+import { requireString } from "@zk-kit/utils/error-handlers"
+import {
+    Address,
+    createPublicClient,
+    http,
+    PublicClient,
+    getContract,
+    GetContractReturnType,
+    zeroAddress,
+    Transport,
+    Chain,
+    Log
+} from "viem"
+import { GroupResponse, ViemNetwork, ViemOptions } from "./types"
+
+// Define types for the event logs to properly access args
+type GroupCreatedLog = Log<bigint, number, boolean, any, any, any, "GroupCreated"> & {
+    args: {
+        groupId: bigint
+    }
+}
+
+type MemberRemovedLog = Log<bigint, number, boolean, any, any, any, "MemberRemoved"> & {
+    args: {
+        groupId: string
+        index: bigint
+    }
+}
+
+type MemberUpdatedLog = Log<bigint, number, boolean, any, any, any, "MemberUpdated"> & {
+    args: {
+        groupId: string
+        index: bigint
+        newIdentityCommitment: string
+    }
+}
+
+type MembersAddedLog = Log<bigint, number, boolean, any, any, any, "MembersAdded"> & {
+    args: {
+        groupId: string
+        startIndex: bigint
+        identityCommitments: string[]
+    }
+}
+
+type MemberAddedLog = Log<bigint, number, boolean, any, any, any, "MemberAdded"> & {
+    args: {
+        groupId: string
+        index: bigint
+        identityCommitment: string
+    }
+}
+
+type ProofValidatedLog = Log<bigint, number, boolean, any, any, any, "ProofValidated"> & {
+    args: {
+        groupId: string
+        message: string
+        merkleTreeRoot: string
+        merkleTreeDepth: string
+        scope: string
+        nullifier: string
+        x: string
+        y: string
+    }
+}
+
+/**
+ * The SemaphoreViem class provides a high-level interface to interact with the Semaphore smart contract
+ * using the {@link https://viem.sh | viem} library. It encapsulates all necessary functionalities to connect to Ethereum networks,
+ * manage contract instances, and perform operations such as retrieving group information or checking group memberships.
+ * This class simplifies the interaction with the Ethereum blockchain by abstracting the details of network connections
+ * and contract interactions.
+ */
+export default class SemaphoreViem {
+    private _network: ViemNetwork | string
+    private _options: ViemOptions
+    private _client: PublicClient
+    private _contract: GetContractReturnType<typeof SemaphoreABI, PublicClient>
+
+    /**
+     * Constructs a new SemaphoreViem instance, initializing it with a network or a custom Ethereum node URL,
+     * and optional configuration settings for the viem client and contract.
+     * @param networkOrEthereumURL The Ethereum network name or a custom JSON-RPC URL to connect to.
+     * @param options Configuration options for the viem client and the Semaphore contract.
+     */
+    constructor(networkOrEthereumURL: ViemNetwork | string = defaultNetwork, options: ViemOptions = {}) {
+        requireString(networkOrEthereumURL, "networkOrEthereumURL")
+
+        if (options.transport) {
+            // Transport is provided directly
+        } else if (!networkOrEthereumURL.startsWith("http")) {
+            // Default to http transport if no transport is provided and network is not a URL
+            options.transport = http()
+        }
+
+        if (options.apiKey) {
+            requireString(options.apiKey, "apiKey")
+        }
+
+        if (isSupportedNetwork(networkOrEthereumURL)) {
+            const { address, startBlock } = getDeployedContract(networkOrEthereumURL as SupportedNetwork)
+
+            options.address ??= address
+            options.startBlock ??= BigInt(startBlock)
+        } else {
+            options.startBlock ??= 0n
+        }
+
+        if (options.address === undefined) {
+            throw new Error(`Network '${networkOrEthereumURL}' needs a Semaphore contract address`)
+        }
+
+        // Create the public client
+        let transport: Transport
+
+        if (options.transport) {
+            transport = options.transport
+        } else {
+            // If no transport is provided, use http transport with the URL
+            transport = http(networkOrEthereumURL)
+        }
+
+        this._network = networkOrEthereumURL
+        this._options = options
+
+        // Create the public client
+        this._client = createPublicClient({
+            transport,
+            chain: options.chain as Chain
+        })
+
+        // Create the contract instance
+        this._contract = getContract({
+            address: options.address as Address,
+            abi: SemaphoreABI,
+            client: this._client
+        })
+    }
+
+    /**
+     * Retrieves the Ethereum network or custom URL currently used by this instance.
+     * @returns The network or URL as a string.
+     */
+    get network(): ViemNetwork | string {
+        return this._network
+    }
+
+    /**
+     * Retrieves the options used for configuring the viem client and the Semaphore contract.
+     * @returns The configuration options.
+     */
+    get options(): ViemOptions {
+        return this._options
+    }
+
+    /**
+     * Retrieves the viem Contract instance used to interact with the Semaphore contract.
+     * @returns The Contract instance.
+     */
+    get contract(): GetContractReturnType<typeof SemaphoreABI, PublicClient> {
+        return this._contract
+    }
+
+    /**
+     * Retrieves the viem Public Client instance used to interact with the blockchain.
+     * @returns The Public Client instance.
+     */
+    get client(): PublicClient {
+        return this._client
+    }
+
+    /**
+     * Fetches the list of group IDs from the Semaphore contract by querying the "GroupCreated" events.
+     * @returns A promise that resolves to an array of group IDs as strings.
+     */
+    async getGroupIds(): Promise<string[]> {
+        const logs = (await this._client.getContractEvents({
+            address: this._options.address as Address,
+            abi: SemaphoreABI,
+            eventName: "GroupCreated",
+            fromBlock: BigInt(this._options.startBlock || 0)
+        })) as GroupCreatedLog[]
+
+        return logs.map((log) => log.args.groupId.toString())
+    }
+
+    /**
+     * Retrieves detailed information about a specific group by its ID. This method queries the Semaphore contract
+     * to get the group's admin, Merkle tree root, depth, and size.
+     * @param groupId The unique identifier of the group.
+     * @returns A promise that resolves to a GroupResponse object.
+     */
+    async getGroup(groupId: string): Promise<GroupResponse> {
+        requireString(groupId, "groupId")
+
+        const groupAdmin = await this._contract.read.getGroupAdmin([groupId])
+
+        if (groupAdmin === zeroAddress) {
+            throw new Error(`Group '${groupId}' not found`)
+        }
+
+        const merkleTreeRoot = await this._contract.read.getMerkleTreeRoot([groupId])
+        const merkleTreeDepth = await this._contract.read.getMerkleTreeDepth([groupId])
+        const merkleTreeSize = await this._contract.read.getMerkleTreeSize([groupId])
+
+        const group: GroupResponse = {
+            id: groupId,
+            admin: groupAdmin as string,
+            merkleTree: {
+                depth: Number(merkleTreeDepth),
+                size: Number(merkleTreeSize),
+                root: merkleTreeRoot ? merkleTreeRoot.toString() : ""
+            }
+        }
+
+        return group
+    }
+
+    /**
+     * Fetches a list of members from a specific group. This method queries the Semaphore contract for events
+     * related to member additions and updates, and constructs the list of current group members.
+     * @param groupId The unique identifier of the group.
+     * @returns A promise that resolves to an array of member identity commitments as strings.
+     */
+    async getGroupMembers(groupId: string): Promise<string[]> {
+        requireString(groupId, "groupId")
+
+        const groupAdmin = await this._contract.read.getGroupAdmin([groupId])
+
+        if (groupAdmin === zeroAddress) {
+            throw new Error(`Group '${groupId}' not found`)
+        }
+
+        // Get member removed events
+        const memberRemovedEvents = (await this._client.getContractEvents({
+            address: this._options.address as Address,
+            abi: SemaphoreABI,
+            eventName: "MemberRemoved",
+            args: {
+                groupId: BigInt(groupId)
+            },
+            fromBlock: BigInt(this._options.startBlock || 0)
+        })) as MemberRemovedLog[]
+
+        // Get member updated events
+        const memberUpdatedEvents = (await this._client.getContractEvents({
+            address: this._options.address as Address,
+            abi: SemaphoreABI,
+            eventName: "MemberUpdated",
+            args: {
+                groupId: BigInt(groupId)
+            },
+            fromBlock: BigInt(this._options.startBlock || 0)
+        })) as MemberUpdatedLog[]
+
+        const memberUpdatedEventsMap = new Map<string, [bigint, string]>()
+
+        for (const event of memberUpdatedEvents) {
+            if (event.args.index && event.args.newIdentityCommitment && event.blockNumber) {
+                memberUpdatedEventsMap.set(event.args.index.toString(), [
+                    event.blockNumber,
+                    event.args.newIdentityCommitment.toString()
+                ])
+            }
+        }
+
+        for (const event of memberRemovedEvents) {
+            if (event.args.index && event.blockNumber) {
+                const groupUpdate = memberUpdatedEventsMap.get(event.args.index.toString())
+
+                if (!groupUpdate || (groupUpdate && groupUpdate[0] < event.blockNumber)) {
+                    memberUpdatedEventsMap.set(event.args.index.toString(), [event.blockNumber, "0"])
+                }
+            }
+        }
+
+        // Get members added events (batch additions)
+        const membersAddedEvents = (await this._client.getContractEvents({
+            address: this._options.address as Address,
+            abi: SemaphoreABI,
+            eventName: "MembersAdded",
+            args: {
+                groupId: BigInt(groupId)
+            },
+            fromBlock: BigInt(this._options.startBlock || 0)
+        })) as MembersAddedLog[]
+
+        const membersAddedEventsMap = new Map<string, string[]>()
+
+        for (const event of membersAddedEvents) {
+            if (event.args.startIndex && event.args.identityCommitments) {
+                membersAddedEventsMap.set(
+                    event.args.startIndex.toString(),
+                    event.args.identityCommitments.map((i) => i.toString())
+                )
+            }
+        }
+
+        // Get individual member added events
+        const memberAddedEvents = (await this._client.getContractEvents({
+            address: this._options.address as Address,
+            abi: SemaphoreABI,
+            eventName: "MemberAdded",
+            args: {
+                groupId: BigInt(groupId)
+            },
+            fromBlock: BigInt(this._options.startBlock || 0)
+        })) as MemberAddedLog[]
+
+        const members: string[] = []
+
+        const merkleTreeSize = await this._contract.read.getMerkleTreeSize([groupId])
+
+        let index = 0
+
+        while (index < Number(merkleTreeSize)) {
+            const identityCommitments = membersAddedEventsMap.get(index.toString())
+
+            if (identityCommitments) {
+                members.push(...identityCommitments)
+                index += identityCommitments.length
+            } else {
+                const currentIndex = index // Create a closure to capture the current index value
+                const event = memberAddedEvents.find((e) => Number(e.args.index) === currentIndex)
+
+                if (event && event.args.identityCommitment) {
+                    members.push(event.args.identityCommitment.toString())
+                }
+
+                index += 1
+            }
+        }
+
+        // Apply updates to members
+        for (let j = 0; j < members.length; j += 1) {
+            const groupUpdate = memberUpdatedEventsMap.get(j.toString())
+
+            if (groupUpdate) {
+                members[j] = groupUpdate[1].toString()
+            }
+        }
+
+        return members
+    }
+
+    /**
+     * Fetches a list of validated proofs for a specific group. This method queries the Semaphore contract for events
+     * related to proof verification.
+     * @param groupId The unique identifier of the group.
+     * @returns A promise that resolves to an array of validated proofs.
+     */
+    async getGroupValidatedProofs(groupId: string): Promise<any> {
+        requireString(groupId, "groupId")
+
+        const groupAdmin = await this._contract.read.getGroupAdmin([groupId])
+
+        if (groupAdmin === zeroAddress) {
+            throw new Error(`Group '${groupId}' not found`)
+        }
+
+        const proofValidatedEvents = (await this._client.getContractEvents({
+            address: this._options.address as Address,
+            abi: SemaphoreABI,
+            eventName: "ProofValidated",
+            args: {
+                groupId: BigInt(groupId)
+            },
+            fromBlock: BigInt(this._options.startBlock || 0)
+        })) as ProofValidatedLog[]
+
+        return proofValidatedEvents.map((event) => ({
+            message: event.args.message?.toString() || "",
+            merkleTreeRoot: event.args.merkleTreeRoot?.toString() || "",
+            merkleTreeDepth: event.args.merkleTreeDepth?.toString() || "",
+            scope: event.args.scope?.toString() || "",
+            nullifier: event.args.nullifier?.toString() || "",
+            points: [event.args.x?.toString() || "", event.args.y?.toString() || ""],
+            timestamp: event.blockNumber ? new Date(Number(event.blockNumber) * 1000).toISOString() : undefined
+        }))
+    }
+
+    /**
+     * Checks if a given identity commitment is a member of a specific group.
+     * @param groupId The unique identifier of the group.
+     * @param member The identity commitment to check.
+     * @returns A promise that resolves to a boolean indicating whether the member is in the group.
+     */
+    async isGroupMember(groupId: string, member: string): Promise<boolean> {
+        requireString(groupId, "groupId")
+        requireString(member, "member")
+
+        const members = await this.getGroupMembers(groupId)
+
+        return members.includes(member)
+    }
+}
--- a/packages/data/tests/viem.test.ts
+++ b/packages/data/tests/viem.test.ts
--- a/packages/group/package.json
+++ b/packages/group/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/group",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A library to create and manage Semaphore groups.",
    "type": "module",
    "license": "MIT",
@@ -36,7 +36,7 @@
        "rollup-plugin-cleanup": "^3.2.1"
    },
    "dependencies": {
-        "@zk-kit/lean-imt": "2.2.2",
+        "@zk-kit/lean-imt": "2.2.3",
        "@zk-kit/utils": "1.3.0",
        "poseidon-lite": "0.3.0"
    }
--- a/packages/group/src/index.ts
+++ b/packages/group/src/index.ts
@@ -3,7 +3,7 @@ import type { BigNumber } from "@zk-kit/utils"
 import { poseidon2 } from "poseidon-lite/poseidon2"

 /**
- * The Semaphore group is a {@link https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html | LeanIMT}
+ * The Semaphore group is a {@link https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html | LeanIMT}
 * (Lean Incremental Merkle Tree), i.e. an optimized version of the incremental binary Merkle tree
 * used by Semaphore V3. The new tree does not use zero hashes, and its depth is dynamic.
 * The members of a Semaphore group, or the leaves of a tree, are the identity commitments.
@@ -13,7 +13,7 @@ import { poseidon2 } from "poseidon-lite/poseidon2"
 * generation and verification. Groups can also be exported or imported.
 */
 export class Group {
-    // The {@link https://zkkit.pse.dev/classes/_zk_kit_imt.LeanIMT.html | LeanIMT} instance.
+    // The {@link https://zkkit.pse.dev/classes/_zk_kit_lean_imt.LeanIMT.html | LeanIMT} instance.
    public leanIMT: LeanIMT

    /**
--- a/packages/hardhat/package.json
+++ b/packages/hardhat/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/hardhat",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A Hardhat plugin to deploy Semaphore contracts.",
    "type": "module",
    "license": "MIT",
@@ -41,7 +41,7 @@
    },
    "dependencies": {
        "@nomicfoundation/hardhat-ethers": "^3.0.0",
-        "@semaphore-protocol/contracts": "4.9.0",
+        "@semaphore-protocol/contracts": "4.11.1",
        "ethers": "^6.13.4",
        "hardhat-dependency-compiler": "^1.1.3"
    }
--- a/packages/identity/package.json
+++ b/packages/identity/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/identity",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A library to create Semaphore identities.",
    "type": "module",
    "license": "MIT",
--- a/packages/proof/package.json
+++ b/packages/proof/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/proof",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A library to generate and verify Semaphore proofs.",
    "type": "module",
    "license": "MIT",
@@ -47,11 +47,11 @@
        "rollup-plugin-cleanup": "^3.2.1"
    },
    "peerDependencies": {
-        "@semaphore-protocol/group": "4.9.0",
-        "@semaphore-protocol/identity": "4.9.0"
+        "@semaphore-protocol/group": "4.11.1",
+        "@semaphore-protocol/identity": "4.11.1"
    },
    "dependencies": {
-        "@semaphore-protocol/utils": "4.9.0",
+        "@semaphore-protocol/utils": "4.11.1",
        "@zk-kit/artifacts": "1.8.0",
        "@zk-kit/utils": "1.3.0",
        "ethers": "6.13.4",
--- a/packages/utils/package.json
+++ b/packages/utils/package.json
@@ -1,6 +1,6 @@
 {
    "name": "@semaphore-protocol/utils",
-    "version": "4.9.0",
+    "version": "4.11.1",
    "description": "A library to provide utility functions to the other Semaphore packages.",
    "type": "module",
    "license": "MIT",
--- a/packages/utils/src/networks/deployed-contracts.json
+++ b/packages/utils/src/networks/deployed-contracts.json
@@ -5,17 +5,37 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 6983614
+                "startBlock": 8263690
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 6983614
+                "startBlock": 8263690
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 6983614
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 8263690
+            }
+        ]
+    },
+    {
+        "network": "ethereum",
+        "contracts": [
+            {
+                "name": "SemaphoreVerifier",
+                "address": "0x6C42599435B82121794D835263C846384869502d",
+                "startBlock": 22424592
+            },
+            {
+                "name": "PoseidonT3",
+                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
+                "startBlock": 22424592
+            },
+            {
+                "name": "Semaphore",
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 22424592
            }
        ]
    },
@@ -25,17 +45,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 93258221
+                "startBlock": 149903019
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 93258221
+                "startBlock": 149903019
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 93258221
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 149903019
            }
        ]
    },
@@ -45,17 +65,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 19289434
+                "startBlock": 27341051
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 19289434
+                "startBlock": 27341051
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 19289434
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 27341051
            }
        ]
    },
@@ -65,17 +85,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 13850778
+                "startBlock": 21308099
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 13850778
+                "startBlock": 21308099
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 13850778
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 21308099
            }
        ]
    },
@@ -85,17 +105,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 269586534
+                "startBlock": 333645515
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 269586534
+                "startBlock": 333645515
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 269586534
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 333645515
            }
        ]
    },
@@ -105,17 +125,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 63715311
+                "startBlock": 71158898
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 63715311
+                "startBlock": 71158898
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 63715311
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 71158898
            }
        ]
    },
@@ -125,17 +145,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 127391657
+                "startBlock": 135443119
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 127391657
+                "startBlock": 135443119
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 127391657
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 135443119
            }
        ]
    },
@@ -145,17 +165,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 17307202
+                "startBlock": 25358716
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 17307202
+                "startBlock": 25358716
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 17307202
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 25358716
            }
        ]
    },
@@ -165,17 +185,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 5225214
+                "startBlock": 12757656
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 5225214
+                "startBlock": 12757656
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 5225214
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 12757656
            }
        ]
    },
@@ -185,17 +205,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 21796660
+                "startBlock": 29848242
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 21796660
+                "startBlock": 29848242
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 21796660
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 29848242
            }
        ]
    },
@@ -205,17 +225,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 11459722
+                "startBlock": 18707811
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 11459722
+                "startBlock": 18707811
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 11459722
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 18707811
            }
        ]
    },
@@ -225,17 +245,17 @@
            {
                "name": "SemaphoreVerifier",
                "address": "0x6C42599435B82121794D835263C846384869502d",
-                "startBlock": 7397758
+                "startBlock": 9604960
            },
            {
                "name": "PoseidonT3",
                "address": "0xB43122Ecb241DD50062641f089876679fd06599a",
-                "startBlock": 7397758
+                "startBlock": 9604960
            },
            {
                "name": "Semaphore",
-                "address": "0x06d1530c829366A7fff0069e77c5af6A6FA7db2E",
-                "startBlock": 7397758
+                "address": "0x697c80d1F2654e88d52B16154929EB976568DB04",
+                "startBlock": 9604960
            }
        ]
    }
--- a/packages/utils/src/networks/supported-networks.ts
+++ b/packages/utils/src/networks/supported-networks.ts
@@ -5,6 +5,12 @@ export default {
        chainId: 11155111,
        explorer: "https://sepolia.etherscan.io"
    },
+    ethereum: {
+        name: "Ethereum",
+        url: "https://eth-mainnet.g.alchemy.com/v2/<your-api-key>",
+        chainId: 1,
+        explorer: "https://etherscan.io"
+    },
    "arbitrum-sepolia": {
        name: "Arbitrum Sepolia",
        url: "https://sepolia-rollup.arbitrum.io/rpc",
--- a/packages/utils/src/semaphore-interface.json
+++ b/packages/utils/src/semaphore-interface.json
--- a/yarn.lock
+++ b/yarn.lock
@@ -12,6 +12,13 @@ __metadata:
  languageName: node
  linkType: hard

+"@adraffy/ens-normalize@npm:^1.10.1":
+  version: 1.11.0
+  resolution: "@adraffy/ens-normalize@npm:1.11.0"
+  checksum: 10/abef75f21470ea43dd6071168e092d2d13e38067e349e76186c78838ae174a46c3e18ca50921d05bea6ec3203074147c9e271f8cb6531d1c2c0e146f3199ddcb
+  languageName: node
+  linkType: hard
+
 "@algolia/autocomplete-core@npm:1.9.3":
  version: 1.9.3
  resolution: "@algolia/autocomplete-core@npm:1.9.3"
@@ -6491,7 +6498,7 @@ __metadata:
  languageName: node
  linkType: hard

-"@noble/curves@npm:^1.7.0":
+"@noble/curves@npm:1.8.1, @noble/curves@npm:^1.6.0, @noble/curves@npm:^1.7.0, @noble/curves@npm:~1.8.1":
  version: 1.8.1
  resolution: "@noble/curves@npm:1.8.1"
  dependencies:
@@ -6521,7 +6528,7 @@ __metadata:
  languageName: node
  linkType: hard

-"@noble/hashes@npm:1.7.1, @noble/hashes@npm:^1.6.1":
+"@noble/hashes@npm:1.7.1, @noble/hashes@npm:^1.5.0, @noble/hashes@npm:^1.6.1, @noble/hashes@npm:~1.7.1":
  version: 1.7.1
  resolution: "@noble/hashes@npm:1.7.1"
  checksum: 10/ca3120da0c3e7881d6a481e9667465cc9ebbee1329124fb0de442e56d63fef9870f8cc96f264ebdb18096e0e36cebc0e6e979a872d545deb0a6fed9353f17e05
@@ -7440,6 +7447,13 @@ __metadata:
  languageName: node
  linkType: hard

+"@scure/base@npm:~1.2.2, @scure/base@npm:~1.2.4":
+  version: 1.2.4
+  resolution: "@scure/base@npm:1.2.4"
+  checksum: 10/4b61679209af40143b49ce7b7570e1d9157c19df311ea6f57cd212d764b0b82222dbe3707334f08bec181caf1f047aca31aa91193c678d6548312cb3f9c82ab1
+  languageName: node
+  linkType: hard
+
 "@scure/bip32@npm:1.1.5":
  version: 1.1.5
  resolution: "@scure/bip32@npm:1.1.5"
@@ -7462,6 +7476,17 @@ __metadata:
  languageName: node
  linkType: hard

+"@scure/bip32@npm:1.6.2, @scure/bip32@npm:^1.5.0":
+  version: 1.6.2
+  resolution: "@scure/bip32@npm:1.6.2"
+  dependencies:
+    "@noble/curves": "npm:~1.8.1"
+    "@noble/hashes": "npm:~1.7.1"
+    "@scure/base": "npm:~1.2.2"
+  checksum: 10/474ee315a8631aa1a7d378b0521b4494e09a231519ec53d879088cb88c8ff644a89b27a02a8bf0b5a9b1c4c0417acc70636ccdb121b800c34594ae53c723f8d7
+  languageName: node
+  linkType: hard
+
 "@scure/bip39@npm:1.1.1":
  version: 1.1.1
  resolution: "@scure/bip39@npm:1.1.1"
@@ -7482,6 +7507,16 @@ __metadata:
  languageName: node
  linkType: hard

+"@scure/bip39@npm:1.5.4, @scure/bip39@npm:^1.4.0":
+  version: 1.5.4
+  resolution: "@scure/bip39@npm:1.5.4"
+  dependencies:
+    "@noble/hashes": "npm:~1.7.1"
+    "@scure/base": "npm:~1.2.4"
+  checksum: 10/9f08b433511d7637bc48c51aa411457d5f33da5a85bd03370bf394822b0ea8c007ceb17247a3790c28237303d8fc20c4e7725765940cd47e1365a88319ad0d5c
+  languageName: node
+  linkType: hard
+
 "@semaphore-protocol/circuits@workspace:packages/circuits":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/circuits@workspace:packages/circuits"
@@ -7501,8 +7536,8 @@ __metadata:
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/cli-template-contracts-foundry@workspace:packages/cli-template-contracts-foundry"
  dependencies:
-    "@semaphore-protocol/contracts": "npm:4.9.0"
-    "@zk-kit/lean-imt.sol": "npm:2.0.0"
+    "@semaphore-protocol/contracts": "npm:4.11.1"
+    "@zk-kit/lean-imt.sol": "npm:2.0.1"
    forge-std: "github:foundry-rs/forge-std#v1.9.4"
    poseidon-solidity: "npm:0.0.5"
    prettier: "npm:^3.2.5"
@@ -7521,10 +7556,10 @@ __metadata:
    "@nomicfoundation/hardhat-network-helpers": "npm:^1.0.0"
    "@nomicfoundation/hardhat-toolbox": "npm:^4.0.0"
    "@nomicfoundation/hardhat-verify": "npm:^2.0.0"
-    "@semaphore-protocol/contracts": "npm:4.9.0"
-    "@semaphore-protocol/core": "npm:4.9.0"
-    "@semaphore-protocol/hardhat": "npm:4.9.0"
-    "@semaphore-protocol/utils": "npm:4.9.0"
+    "@semaphore-protocol/contracts": "npm:4.11.1"
+    "@semaphore-protocol/core": "npm:4.11.1"
+    "@semaphore-protocol/hardhat": "npm:4.11.1"
+    "@semaphore-protocol/utils": "npm:4.11.1"
    "@typechain/ethers-v6": "npm:^0.5.0"
    "@typechain/hardhat": "npm:^9.0.0"
    "@types/chai": "npm:^4.2.0"
@@ -7574,8 +7609,8 @@ __metadata:
  resolution: "@semaphore-protocol/cli@workspace:packages/cli"
  dependencies:
    "@rollup/plugin-typescript": "npm:^11.1.6"
-    "@semaphore-protocol/data": "npm:4.9.0"
-    "@semaphore-protocol/utils": "npm:4.9.0"
+    "@semaphore-protocol/data": "npm:4.11.1"
+    "@semaphore-protocol/utils": "npm:4.11.1"
    "@types/figlet": "npm:^1.5.8"
    "@types/inquirer": "npm:^9.0.7"
    "@types/pacote": "npm:^11.1.8"
@@ -7599,46 +7634,47 @@ __metadata:
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/contracts@npm:4.9.0, @semaphore-protocol/contracts@workspace:packages/contracts/contracts":
+"@semaphore-protocol/contracts@npm:4.11.1, @semaphore-protocol/contracts@workspace:packages/contracts/contracts":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/contracts@workspace:packages/contracts/contracts"
  dependencies:
-    "@zk-kit/lean-imt.sol": "npm:2.0.0"
+    "@zk-kit/lean-imt.sol": "npm:2.0.1"
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/core@npm:4.9.0, @semaphore-protocol/core@workspace:^, @semaphore-protocol/core@workspace:packages/core":
+"@semaphore-protocol/core@npm:4.11.1, @semaphore-protocol/core@workspace:^, @semaphore-protocol/core@workspace:packages/core":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/core@workspace:packages/core"
  dependencies:
-    "@semaphore-protocol/group": "npm:4.9.0"
-    "@semaphore-protocol/identity": "npm:4.9.0"
-    "@semaphore-protocol/proof": "npm:4.9.0"
+    "@semaphore-protocol/group": "npm:4.11.1"
+    "@semaphore-protocol/identity": "npm:4.11.1"
+    "@semaphore-protocol/proof": "npm:4.11.1"
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/data@npm:4.9.0, @semaphore-protocol/data@workspace:packages/data":
+"@semaphore-protocol/data@npm:4.11.1, @semaphore-protocol/data@workspace:packages/data":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/data@workspace:packages/data"
  dependencies:
    "@rollup/plugin-json": "npm:^6.1.0"
    "@rollup/plugin-typescript": "npm:^11.1.6"
-    "@semaphore-protocol/utils": "npm:4.9.0"
+    "@semaphore-protocol/utils": "npm:4.11.1"
    "@zk-kit/utils": "npm:1.3.0"
    axios: "npm:1.6.6"
    ethers: "npm:6.13.4"
    rimraf: "npm:^5.0.5"
    rollup: "npm:^4.12.0"
    rollup-plugin-cleanup: "npm:^3.2.1"
+    viem: "npm:2.23.7"
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/group@npm:4.9.0, @semaphore-protocol/group@workspace:packages/group":
+"@semaphore-protocol/group@npm:4.11.1, @semaphore-protocol/group@workspace:packages/group":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/group@workspace:packages/group"
  dependencies:
    "@rollup/plugin-typescript": "npm:^11.1.6"
-    "@zk-kit/lean-imt": "npm:2.2.2"
+    "@zk-kit/lean-imt": "npm:2.2.3"
    "@zk-kit/utils": "npm:1.3.0"
    poseidon-lite: "npm:0.3.0"
    rimraf: "npm:^5.0.5"
@@ -7647,13 +7683,13 @@ __metadata:
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/hardhat@npm:4.9.0, @semaphore-protocol/hardhat@workspace:packages/hardhat":
+"@semaphore-protocol/hardhat@npm:4.11.1, @semaphore-protocol/hardhat@workspace:packages/hardhat":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/hardhat@workspace:packages/hardhat"
  dependencies:
    "@nomicfoundation/hardhat-ethers": "npm:^3.0.0"
    "@rollup/plugin-typescript": "npm:^11.1.6"
-    "@semaphore-protocol/contracts": "npm:4.9.0"
+    "@semaphore-protocol/contracts": "npm:4.11.1"
    ethers: "npm:^6.13.4"
    hardhat: "npm:^2.19.4"
    hardhat-dependency-compiler: "npm:^1.1.3"
@@ -7665,7 +7701,7 @@ __metadata:
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/identity@npm:4.9.0, @semaphore-protocol/identity@workspace:packages/identity":
+"@semaphore-protocol/identity@npm:4.11.1, @semaphore-protocol/identity@workspace:packages/identity":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/identity@workspace:packages/identity"
  dependencies:
@@ -7681,14 +7717,14 @@ __metadata:
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/proof@npm:4.9.0, @semaphore-protocol/proof@workspace:packages/proof":
+"@semaphore-protocol/proof@npm:4.11.1, @semaphore-protocol/proof@workspace:packages/proof":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/proof@workspace:packages/proof"
  dependencies:
    "@rollup/plugin-alias": "npm:^5.1.0"
    "@rollup/plugin-json": "npm:^6.1.0"
    "@rollup/plugin-typescript": "npm:^11.1.6"
-    "@semaphore-protocol/utils": "npm:4.9.0"
+    "@semaphore-protocol/utils": "npm:4.11.1"
    "@types/snarkjs": "npm:^0"
    "@zk-kit/artifacts": "npm:1.8.0"
    "@zk-kit/utils": "npm:1.3.0"
@@ -7698,12 +7734,12 @@ __metadata:
    rollup-plugin-cleanup: "npm:^3.2.1"
    snarkjs: "npm:0.7.4"
  peerDependencies:
-    "@semaphore-protocol/group": 4.9.0
-    "@semaphore-protocol/identity": 4.9.0
+    "@semaphore-protocol/group": 4.11.1
+    "@semaphore-protocol/identity": 4.11.1
  languageName: unknown
  linkType: soft

-"@semaphore-protocol/utils@npm:4.9.0, @semaphore-protocol/utils@workspace:packages/utils":
+"@semaphore-protocol/utils@npm:4.11.1, @semaphore-protocol/utils@workspace:packages/utils":
  version: 0.0.0-use.local
  resolution: "@semaphore-protocol/utils@workspace:packages/utils"
  dependencies:
@@ -9752,21 +9788,21 @@ __metadata:
  languageName: node
  linkType: hard

-"@zk-kit/lean-imt.sol@npm:2.0.0":
-  version: 2.0.0
-  resolution: "@zk-kit/lean-imt.sol@npm:2.0.0"
+"@zk-kit/lean-imt.sol@npm:2.0.1":
+  version: 2.0.1
+  resolution: "@zk-kit/lean-imt.sol@npm:2.0.1"
  dependencies:
    poseidon-solidity: "npm:0.0.5"
-  checksum: 10/094a1788905c380ed5c767184938d3aa0d0b3ba8ad92e8d6efae1243e4d15103484ec1224163ae7d0c43e0095ae19f28e41a7877d37398ff60dcadbf1eb27a77
+  checksum: 10/debfd6caa46c6b4ff5dfa9a98d50656311ed5ba999417ae23f1b279c1c171d722de9b396bfbbf56705e7041bc3cc4f7d579f97653c97544fd160a834c1e427dd
  languageName: node
  linkType: hard

-"@zk-kit/lean-imt@npm:2.2.2":
-  version: 2.2.2
-  resolution: "@zk-kit/lean-imt@npm:2.2.2"
+"@zk-kit/lean-imt@npm:2.2.3":
+  version: 2.2.3
+  resolution: "@zk-kit/lean-imt@npm:2.2.3"
  dependencies:
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-    "@semaphore-protocol/hardhat": "npm:4.9.0"
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+    "@semaphore-protocol/hardhat": "npm:4.11.1"
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-    "@semaphore-protocol/hardhat": "npm:4.9.0"
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-    "@semaphore-protocol/data": "npm:4.9.0"
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    ethers: "npm:^6.13.4"
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Author	SHA1	Message	Date
Vivian Plasencia	ea62310df6	chore: v4.11.1	2025-05-21 16:49:07 +02:00
Vivian Plasencia	6bc415f4d5	fix(data): fix semaphore viem class (#985 ) re #984	2025-05-21 16:44:38 +02:00
Vivian Plasencia	18f77ac0bb	chore: v4.11.0	2025-05-20 14:00:27 +02:00
Sarkazein	f3c4cf27e2	feat(data): implement Viem lib alternative to SemaphoreEthers (#966 ) * feat(data): implement Viem lib alternative to Ethers for @semaphore-protocol/data package class This adds a Viem-based alternative to SemaphoreEthers, allowing developers to choose their preferred Ethereum library. Closes #343 * chore(data): update yarn.lock for viem dependency * chore(data): improve test coverage for SemaphoreViem class * chore(data): improve test coverage for SemaphoreViem class	2025-05-20 13:51:34 +02:00
Sri Hari S	57132a38df	Added warning to the Semaphore docs (#983 ) Update identities.mdx Added warning to the Semaphore docs	2025-05-19 13:54:36 +02:00
Vivian Plasencia	6ef16976f7	docs(website): update semaphore roadmap (#981 )	2025-05-07 14:42:59 +02:00
Vivian Plasencia	2849ca1d24	chore: v4.10.0	2025-05-06 22:36:52 +02:00
Vivian Plasencia	d05d783852	chore:deploy contracts (#980 ) * chore: update semaphore contract address re #978 * feat: add ethereum as a supported network re #977 * feat: add ethereum subgraph and deploy subgraphs re #978, #977	2025-05-06 22:28:08 +02:00
Vivian Plasencia	993e46a427	docs(website): update events (#979 )	2025-05-05 19:03:45 +02:00
Jimmy Chu	f984c1e864	chore(website): add a new project in project page (#972 )	2025-04-03 00:11:54 +02:00
Vivian Plasencia	5c9d1737d3	chore: v4.9.2	2025-03-31 12:50:00 +02:00
Vivian Plasencia	1318b0e74b	docs: update releases section in readme file	2025-03-31 12:44:51 +02:00
Vivian Plasencia	c0fcc94e82	docs: add more info to the readme file about the release of the packages (#971 )	2025-03-31 12:41:49 +02:00
Vivian Plasencia	e70ae1151b	chore: update leanimt sol version (#970 )	2025-03-31 12:30:58 +02:00
Vivian Plasencia	fd38539908	docs(website): add scaling semaphore with pir to the roadmap (#969 )	2025-03-18 01:03:24 +01:00
Vivian Plasencia	8bd45d8c46	docs: add specification document link to website and docs (#965 )	2025-03-06 13:55:29 +01:00
Vivian Plasencia	534e69683a	docs(website): update roadmap to add semaphore noir implementation (#962 )	2025-03-04 12:35:58 +01:00
Vivian Plasencia	a0a3b9380b	docs(website): update spec status to true on roadmap (#959 )	2025-03-03 11:02:33 +01:00
Vivian Plasencia	bc9f7df1da	chore: v4.9.1	2025-02-24 23:19:29 +01:00
Vivian Plasencia	571ffdab0e	chore(group): update leanimt package version (#957 )	2025-02-24 23:15:07 +01:00
ewynx	773696f40c	Fix broken link for LeanMIT (#956 ) chore: fixes broken link for LeanMIT	2025-02-24 22:26:29 +01:00