Following v0.4.0, we are releasing Neo X TestNet v0.4.1, integrating the fully audited ZK-based DKG. With this upgrade, Neo X’s Anti-MEV functionality officially moves from preview into production.

Compatibility

• v0.4.1 replaces v0.4.0 to support updated DKG algorithms.

• No additional steps are required for migration.

New Features

• MPC ceremony results are now integrated into verifier contracts.

Improvements

• Updated BLS12-381 precompiles to the Prague version.

• Added support for recovering outdated or lost Anti-MEV keystores.

• Integrated the audited ZK-DKG v0.3.0.

• Upgraded the system contract for ZK-based Key Management.

Bug Fixes

• Resolved a panic issue during ZK-based DKG message recovery.

• Fixed improper use of ZK version during reshare recovery.

• Prevented potential zero scalars in Anti-MEV operations.

v0.4.1 will be deployed on the Neo X MainNet shortly, enabling full Anti-MEV functionality. Stay tuned to our official channels for the release update.