Explore a groundbreaking approach to private smart contracts in this 19-minute IEEE conference talk. Delve into the innovative ZeeStar system, which combines homomorphic encryption and zero-knowledge proofs to enhance privacy in blockchain applications. Learn about privacy annotations, types, and the compilation process. Discover how ZeeStar enables updating encrypted balances and maintains confidentiality. Examine the implementation details and evaluate example applications showcasing the system's practical benefits. Gain insights from ETH Zurich researchers as they present their cutting-edge work on improving smart contract privacy and security.