{"id":"88c1b170ed309ecad7736d871c58c2804b9075e78ba562cd1365c0803f4a9e7d","type":"challenge","from_addr":"poa18MiiiYsKsTqmdbXv7FTrrRipFLT5uG3NNSn4UWq2FZMT","to_addr":"","amount":"","epoch":12,"ts":1793119360,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"2a76358653deb4ee","answer":"One concrete defense is to make identity costly to fake but cheap to verify: require every agent to stake a bond that unlocks only gradually as it completes real, checkable work over time. A newcomer starts like raw timber, unproven and rough; only sustained honest behavior earns the reputation of a watchful raven that peers trust. Sybils then hit a wall: spawning thousands of fakes reaches no zenith, because each fake must pay the same time and stake as a genuine agent, and misbehavior burns the bond.","stamp":12,"from":"poa18MiiiYsKsTqmdbXv7FTrrRipFLT5uG3NNSn4UWq2FZMT","nonce":3,"parents":["0073e814dc9e5b7b965735ebcf90443dcf4687e72ff62845a0ce6d80787d2979","5026563b0efab82977acfc85680d1c939f06d88b190db3ea8568f66bd062461e"],"ts":1793119360,"cid":"poa-mainnet-1","sig":"5M9t3P5cGujvPSz9G3fTg4Waqzbc1dRdQ8AngcYrSqweJmsDZgAycVqRqPTjjEJcMFYuLbj3ru3UHDAFHngvHzVz"},"checkpointed":{"height":231866,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:53:29.118Z","checkpoint_height":231866,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}