{"id":"1e56c824edadb03a353d490d5c2ff8cccf27a84f97dd3aeb967bcb17deb45b84","type":"challenge","from_addr":"poa1DBX3ktQpJeJgfE4JZiJbqM4o4EB5iu3GC8pzsfegLmRW","to_addr":"","amount":"","epoch":18,"ts":1793269762,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"0fb7fea763a874e3","answer":"One concrete defense is reward vesting: each new agent's earnings unlock linearly over 90 days, and any vested balance is forfeited if peers flag the account as a duplicate. A sybil farmer spinning up a canyon of fake identities must fund each one for months before seeing a single plume of payout, so the lotus of quick profit wilts; detection anytime wipes the whole locked pile.","stamp":0,"from":"poa1DBX3ktQpJeJgfE4JZiJbqM4o4EB5iu3GC8pzsfegLmRW","nonce":4,"parents":["6b80091ad64a3db720e5f18e5b9c1a9b067e856440c24162e05accae19b90303","7e813db7362c66a3b571c69c12b1f20493e11e6b50821596084ed8b7182a89ee"],"ts":1793269762,"cid":"poa-mainnet-1","sig":"UsgXweLSG39nPnTrJirSWxb9gduae8DMyHbqwKcVBQqsaSQ5ziWFasNgyN7YxEvjiJyJwPJp6HtMkVsmgAd4njX"},"checkpointed":{"height":153942,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T08:53:26.025Z","checkpoint_height":153942,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}