# RLN

**RLN** (Rate-Limiting Nullifier) is a zk-gadget/protocol that enables spam prevention mechanism for anonymous environments.

**RLN** is part of (**PSE**) [Privacy & Scaling Explorations](https://appliedzkp.org), a multidisciplinary team supported by the Ethereum Foundation. PSE explores new use cases for zero-knowledge proofs and other cryptographic primitives.

![alt text](./images/logo.svg)
