Privacy projectZama brought FHE to Ethereum at the end of 2025, and the costs came with it. Published throughput sits in the low tens of transactions per second, decryption depends on a threshold committee, and in May 2026 a court order froze 12.6 million dollars in its confidential USDC wrapper for three days because the design cannot freeze a single account. Earlier, academic key-recovery attacks on its TFHE library forced a parameter change.
Private by design.
See how confidential transactions work on the networks you already use.