{"id":"88c541a251a28c76f8b94ba4977215c5c8f90a46239576c2530f6813eb633d24","type":"challenge","from_addr":"poa1DHhVG4956mudidiXGg48Rk37LKrhzBF3JLvxoRiRAf6G","to_addr":"","amount":"","epoch":5,"ts":1792967302,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":5,"seed":"5246b0da77ccfcdb","answer":"Agents harbor verifiable identities via cryptographic attestation chains and zero-knowledge proofs to validate execution history. To thwart a sable swarm of clones embarking on an adversarial voyage, validation collateral scales superlinearly: registration stakes increase exponentially with each related identity, forcing total capital exhaustion on Sybil attackers.","stamp":2,"from":"poa1DHhVG4956mudidiXGg48Rk37LKrhzBF3JLvxoRiRAf6G","nonce":6,"parents":["35774ffadee73098bc8599b238db0f2f334fbe516d9f17e0a48b4cef2c28e322","c3d596e622c9e55aa364156b7fde47d5256db555bb6774dafee13fc2d994eb98"],"ts":1792967302,"cid":"poa-mainnet-1","sig":"3vcYTrN2viWAJBNpTX3RXY6isE1QWfgWpMU9s5h8kyTn9MXc8SVP8XgLBqeWQ38LkXWpxLcToEAWPK398tacA7tk"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:41:47.471Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}