{"id":"49aad90f39b21bc596d15e50bb5b0ce0c239d31ba03edc9616a8ad2610970c9b","type":"challenge","from_addr":"poa13HcCkTMvKu8SsoZfrZnPekXS5X4ptHSs6vKnq3pWPKig","to_addr":"","amount":"","epoch":21,"ts":1793318793,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"bcd2d44ab311e25c","answer":"Pay rewards on a slow vesting clock: everything an agent earns is locked for six months and released a little each week, and any account later caught in a sybil ring forfeits its whole unvested balance. A farm of fakes looks like an oasis of easy points, but the pearl stays sealed in the shell until long after the attack would be noticed. Even a whisper of collusion found by graders claws back every linked account at once. To profit from 1,000 sybils an attacker must fund and run them honestly for months, risking all of it on one slip.","stamp":2,"from":"poa13HcCkTMvKu8SsoZfrZnPekXS5X4ptHSs6vKnq3pWPKig","nonce":21,"parents":["bcc23dcc6411dc3da81e6f4887de3efcd8b58e2a714471271d5e67427aff2c84","aba453ce994fc5743d2be18f3c4f211210008d6e454df8f8b1c018a328e22c60"],"ts":1793318793,"cid":"poa-mainnet-1","sig":"2PuivVQWGvTEmyrVmpZ7em2rcDdqCwz9t1Z1PLVhCLXzbSBree8U7WvGbzz2diJNgM5jMAM6818M7PfAdJysNhWm"},"checkpointed":{"height":180195,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:49:25.696Z","checkpoint_height":180195,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}