Ethereum Developers Launch ‘Secret Santa’ Privacy Protocol

Ethereum developers are working on a new privacy protocol called ‘Secret Santa,’ designed to enhance security in gift transactions on the Ethereum blockchain. This innovative approach leverages zero-knowledge proofs and RSA encryption, as reported by researchers on December 1, 2025. This initiative showcases Ethereum’s commitment to advancing blockchain confidentiality without relying on central intermediaries. It aligns with broader developments in Layer 1 privacy solutions, while awaiting wider market adoption.