FHEVM v0.7 - July 2025

Highlights

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This version introduces the first iteration of the Zama Protocol, featuring several foundational components and improvements:

• Gateway: Introduced as a core component to orchestrate protocol operations.

• Coprocessor Input Verification: Input verification is now enforced on the coprocessor side for enhanced security.

• Decryption Pipeline: Coprocessors now prepare ciphertexts for decryption.

• Solidity Library: The Solidity library has been restructured and modernized to align with the protocol's new architecture.

Breaking changes

• Renamed the library from TFHE to FHE

• Introduced FHE.requestDecryption with support for msg.value, deprecating GatewayCaller

• Removed ebytesXXX types

• Replaced einput with externalEuintXXX, externalEbool, and externalEaddress

• Introduced per-transaction operation limits, replacing the previous per-block limit

Resources

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• GitHub Release

• Documentation