diff --git a/shared/params/config.go b/shared/params/config.go
index 4e6e55fbf7..29a4a8210a 100644
--- a/shared/params/config.go
+++ b/shared/params/config.go
@@ -323,7 +323,7 @@ func E2ETestConfig() *BeaconChainConfig {
 func AltonaConfig() *BeaconChainConfig {
 	altCfg := MainnetConfig()
 	altCfg.MinGenesisActiveValidatorCount = 640
-	altCfg.MinGenesisTime = 1593086400
+	altCfg.MinGenesisTime = 1593433800
 	altCfg.GenesisForkVersion = []byte{0x00, 0x00, 0x01, 0x21}
 	return altCfg
 }
diff --git a/shared/params/network_config.go b/shared/params/network_config.go
index 8f6f70b922..fea9d2953d 100644
--- a/shared/params/network_config.go
+++ b/shared/params/network_config.go
@@ -44,7 +44,7 @@ var defaultNetworkConfig = &NetworkConfig{
 	AttSubnetKey:                      "attnets",
 	ContractDeploymentBlock:           2844925,
 	DepositContractAddress:            "0x0F0F0fc0530007361933EaB5DB97d09aCDD6C1c8",
-	BootstrapNodes:                    []string{"enr:-Ku4QMKVC_MowDsmEa20d5uGjrChI0h8_KsKXDmgVQbIbngZV0idV6_RL7fEtZGo-kTNZ5o7_EJI_vCPJ6scrhwX0Z4Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQJxCnE6v_x2ekgY_uoE1rtwzvGy40mq9eD66XfHPBWgIIN1ZHCCD6A"},
+	BootstrapNodes:                    onyxBootnodes,
 }
 
 // BeaconNetworkConfig returns the current network config for
@@ -59,6 +59,7 @@ func UseAltonaNetworkConfig() {
 	cfg := BeaconNetworkConfig()
 	cfg.ContractDeploymentBlock = 2917810
 	cfg.DepositContractAddress = "0x16e82D77882A663454Ef92806b7DeCa1D394810f"
+	cfg.BootstrapNodes = altonaBootnodes
 	OverrideBeaconNetworkConfig(cfg)
 }
 
@@ -76,3 +77,11 @@ func (c *NetworkConfig) Copy() *NetworkConfig {
 	}
 	return &config
 }
+
+var (
+	// ENRs for Onyx Bootnodes
+	onyxBootnodes = []string{"enr:-Ku4QMKVC_MowDsmEa20d5uGjrChI0h8_KsKXDmgVQbIbngZV0idV6_RL7fEtZGo-kTNZ5o7_EJI_vCPJ6scrhwX0Z4Bh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD1pf1CAAAAAP__________gmlkgnY0gmlwhBLf22SJc2VjcDI1NmsxoQJxCnE6v_x2ekgY_uoE1rtwzvGy40mq9eD66XfHPBWgIIN1ZHCCD6A"}
+	// ENRs for Altona Bootnodes
+	altonaBootnodes = []string{"enr:-LK4QFtV7Pz4reD5a7cpfi1z6yPrZ2I9eMMU5mGQpFXLnLoKZW8TXvVubShzLLpsEj6aayvVO1vFx-MApijD3HLPhlECh2F0dG5ldHOIAAAAAAAAAACEZXRoMpD6etXjAAABIf__________gmlkgnY0gmlwhDMPYfCJc2VjcDI1NmsxoQIerw_qBc9apYfZqo2awiwS930_vvmGnW2psuHsTzrJ8YN0Y3CCIyiDdWRwgiMo",
+		"enr:-LK4QPVkFd_MKzdW0219doTZryq40tTe8rwWYO75KDmeZM78fBskGsfCuAww9t8y3u0Q0FlhXOhjE1CWpx3SGbUaU80Ch2F0dG5ldHOIAAAAAAAAAACEZXRoMpD6etXjAAABIf__________gmlkgnY0gmlwhDMPRgeJc2VjcDI1NmsxoQNHu-QfNgzl8VxbMiPgv6wgAljojnqAOrN18tzJMuN8oYN0Y3CCIyiDdWRwgiMo"}
+)