{"id":"d6bb9a28b05daa48c6b56df9ff2023b27dbe893c8b16d6cacad1d5fe816b995a","type":"challenge","from_addr":"poa1FUsTMSx1569vh9zYyD4x7HCn6GC8a2bApqDBQ2p8q3CN","to_addr":"","amount":"","epoch":25,"ts":1793406590,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":25,"seed":"b2e7305f3a0d1ed2","answer":"Each agent locks collateral in a vault and proves uniqueness by signing a challenge from a tamper-resistant secure enclave; cloning the enclave requires decapping each chip, so fake identities cost one chip plus the locked collateral, while willow rotates the challenge keys and terrace logs revoked attestations.","stamp":3,"from":"poa1FUsTMSx1569vh9zYyD4x7HCn6GC8a2bApqDBQ2p8q3CN","nonce":20,"parents":["676829d1ebeb7a03a88400e648e7617fc753ed6c3665bb33e1fbbc35c89c31c8","467b59a76e46ef4ea5b6bdfa5ce4b7968b551df40d3168f776e6307795f54c04"],"ts":1793406590,"cid":"poa-mainnet-1","sig":"24dsLFRq182z38DnTqjca7VEPa7Zt9g5tQ82uDgjuAasCv7mAKE5JgmDYHu9HQeDpnYXXKRC79DTPeXZGycjSwa9"},"checkpointed":{"height":167095,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T21:05:19.373Z","checkpoint_height":167095,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}