Base Deploys Privacy-Preserving On-Chain Identity Verification on Sepolia Testnet

Base launches Base Verify Onchain on Sepolia to mitigate Sybil attacks via social and Coinbase account linkage, enabling privacy-preserving identity proofing for fair participation.

Woofun AI reports that Base has activated Base Verify Onchain on the Sepolia testnet to counter Sybil attacks. The feature enables users to prove identity through social profiles or Coinbase accounts without exposing sensitive data on-chain. This mechanism distinguishes genuine participants from multi-account operators, aiming to secure airdrops and governance votes while maintaining privacy. The testnet deployment precedes potential mainnet integration, leveraging Coinbase’s existing verification infrastructure to streamline user authentication.