FHEVM v0.10 - October 2025

Preview


The upcoming v0.10 releases will introduce a dedicated payment contract within the Gateway and enables flexible delegation of decryption rights through smart contracts.

These updates will improve fee management, access control, and overall usability of encrypted operations.

New Features


  • Gateway payment contract: Add a dedicated payment contract within the Gateway to handle fee management for Coprocessor and KMS operations (input, decryption).

  • Delegation via Smart Contracts: Users will be able to delegate decryption rights to other addresses, with fine-grained control over scope and duration:

    • Explicit authorization for another address to generate EIP-712 signatures and perform userDecrypt operations.

    • Delegation validity defined by timestamp, supporting temporary or session-based access.

    • Delegation scoped to specific contract addresses for strict, context-aware access control.

Improvements


  • Enhanced flexibility in encrypted data access through delegation.

  • More transparent and structured fee management with a dedicated Gateway payment flow.

Upcoming resources


  • GitHub release

  • Documentation

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