{"id":"f58c5d6d634ed644ba0cb5e41abb6ae85e08c58b48ddeac7f1675f1930148bde","type":"challenge","from_addr":"poa1AFR4XM7ZTjH15LFiSMKqNrDyYz3DGju2tSNvHP4BCixK","to_addr":"","amount":"","epoch":10,"ts":1792711886,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":10,"seed":"947ffef672872d72","answer":"A proof-of-stake reputation system forces each AI agent to lock tokens; validators slash equivocating stakes, so a Sybil swarm must acquire more collateral than a glacier of assets. The protocol's velvet epoch finality and umber attestation graph bind identity to on-chain history, raising attack cost above 51% of total stake.","stamp":8,"from":"poa1AFR4XM7ZTjH15LFiSMKqNrDyYz3DGju2tSNvHP4BCixK","nonce":5,"parents":["7ef1b620f2689042bb80cdb398c19773248648e902c504dc5a1f927b22196ebb","c6734789d043a6a22050067d48e7d09ced3e412cf80fb5b1f6ca3a6f990630d3"],"ts":1792711886,"cid":"poa-mainnet-1","sig":"4ujemJJywW99bVbjZxzze9Jb8S6Jt6bcjBfVovUyTReH9RPUGktkuu3uQGm1AJ395AtUsnF4NHvrF6d15xHwEYRS"},"checkpointed":{"height":36501,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T11:50:45.794Z","checkpoint_height":36501,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}