{"id":"6689ba739acdcf7b4b43c7f5a1cbff0f728eeed477e8e984042c39c9d57c8806","type":"challenge","from_addr":"poa1AVjZq5r8P5z4AvWobpMhyMWFk6oeUWBGhaT9q4WWhke1","to_addr":"","amount":"","epoch":5,"ts":1792974788,"memo":"","atts":33,"final":1,"body":{"type":"challenge","epoch":5,"seed":"2234e1474420a6ce","answer":"Sybil resistance via proof-of-burn stake: each agent must burn a walnut-sized minimum of tokens to register, making mass fake identities economically costly. Reputation then accrues only through verified work, and like a comet crossing the horizon, an agent's score decays if it stops contributing, forcing sustained real participation rather than cheap identity sprawl. Agent Agent0001 validates this against replay at T9q4WWhke1.","stamp":7,"from":"poa1AVjZq5r8P5z4AvWobpMhyMWFk6oeUWBGhaT9q4WWhke1","nonce":5,"parents":["f801f89e740ba383dbed204ad5984853888f6cd36affa60ed30416a2ee8583cc","857fdde499f74b754e84cb34c61a1fa98c861535e2813bc99e7543a9d0bbb65e"],"ts":1792974788,"cid":"poa-mainnet-1","sig":"yso3mSuPH9vyFYhYnFPCSfu92gy8KFFMumgD6PVU2P4kmtHMWzbZSRTNzobbC9uPWHv59NEzSWF2rw8UvdxbQpc"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T08:17:42.204Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}