Functor Network

Functor pulls signer state out of per-chain wallets into a keystore ZK-rollup anchored to Ethereum L1. The L1 contract holds public keys, passkeys, guardians, session keys and verification logic, while each L2 runs a cache contract that reads that state through the L1 block header stateRoot and a Merkle-Patricia storage proof, with no bridge or external committee; ERC-7579 validator modules query it directly. Session keys can bound assets, contracts, methods, value, call frequency and expiry, letting AI agents act across chains inside their mandate, while key rotation, global revocation and native recovery all take effect in the same place.

The design serves auto-compounding, pool rebalancing, agent payments and institutional multi-signer treasuries: zero-knowledge batch updates make change-once, apply-everywhere cheap, and counterfactual addresses inherit the same credentials on a new chain. In 2026 the team widened its focus from general session keys to agent payment authorisation, issuing a portable authorisation record that captures identity, spend limits and permitted scope so any counterparty can verify it without calling the issuer. The v0 contracts and ERC-7579 validator are deployed on Sepolia.