Ethereum developers are testing a privacy protocol based on zero-knowledge proofs (ZK) to enable on-chain 'Secret Santa'-style anonymous matching. Participants use ZK to verify relationships, relays to hide transaction origins, and shared random numbers to encrypt gift information, avoiding address exposure, duplicate registrations, or self-matching. This protocol is seen as a significant implementation of Ethereum's privacy framework and could be further extended to scenarios like anonymous voting, DAO governance, whistleblowing channels, private airdrops, and more. (CoinDesk) https://www.(wublock123.com)/index.php?m=content&c=index&a=show&catid=6&id=52808