| Estate settlement — Base mainnet | eip155:8453 | unseated | — | awaiting Ceremony C-1 (the proprietor's key ceremony; arm-mainnet.yml seats it) |
| Estate settlement — Base Sepolia (rehearsal) | eip155:84532 | unseated | — | born per-run by sepolia-rehearsal.yml (key shredded unused; the run's log carries the address) |
| Gas signer — Base Sepolia | eip155:84532 | 0x78e1f52f528218B9638748b6eE673Ddbb253E848 | 0.000000 ETH | seated by the gas-custody dispatch of 21 Oct 2026 (FAC_GAS_KEY deployed); awaiting faucet funds |
| Gas signer — Base mainnet | eip155:8453 | unseated | — | awaiting arm-mainnet.yml |