TL;DR Enhanced On-Chain Privacy: Solana introduces ZK-powered Confidential Balances on the mainnet, ensuring that token balances and transfers remain private. Robust Cryptographic Methods: The upgrade leverages zero-knowledge proofs and ElGamal encryption to secure encrypted balances. Broadened Financial Use Cases: With this feature, developers can build privacy-focused solutions for confidential DeFi transactions, secure payroll systems, and.
source: https://crypto-economy.com/solana-launches-zk-powered-confidential-balances-on-mainnet/