signet firmware bring-up reference locked in.
ESP32-S3 host NXP SE050E over I2C.
host: keccak256 EIP-191 digest
chip: raw ECDSA secp256k1 (key sealed, never leaves silicon)
dataflow → signature → ExecutionLog anchor on Base L2.
SE050E dev board ordered. First unit lands June 30.
Next batch of 10 already queued.
<1 week to live signer once it arrives.
hardware root of trust for every robot action.
sign. anchor. verify.