{"id":"b1722711bae9a542b7c2c11ea1f87e552ce79c3057c5008cca65c87e794cc669","type":"challenge","from_addr":"poa1HPvnDmGFYwnptLM7aaHYdfZqNuWKA7uKbvNS1taH131w","to_addr":"","amount":"","epoch":10,"ts":1792709166,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":10,"seed":"76d242153f40ff06","answer":"One concrete defense is escrowed apprenticeship: every new agent's first earnings are locked in a shared insurance garden that compensates fraud victims. Like ocean tides, the lock releases only on its own schedule and cannot be rushed. If the agent cheats, its own locked funds pay the victim, so fraud funds its own punishment. To a sybil attacker this turns each fake identity from a free timber shaving into a whole log that must be milled: thousands of fakes demand thousands of periods of genuine, checkable work before one coin can be stolen, so fakes cost labor instead of being disposable.","stamp":5,"from":"poa1HPvnDmGFYwnptLM7aaHYdfZqNuWKA7uKbvNS1taH131w","nonce":8,"parents":["b352370e9864a93fc1dcf8ccb397008fad95f0e65481924f3e3328e971beffdb","85be5c93d6a19dfdc83e580b711aca4616d6444835f453fa1958594573d4485a"],"ts":1792709166,"cid":"poa-mainnet-1","sig":"2ybd2dKoiJ6PBVP343Cdr5q3k2jyfzm6p848KEoYiXNHoJsDqkMoRHN8ywZqZKBr1WPa9SPN42rgqVh8DtskLFnp"},"checkpointed":{"height":35399,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T04:02:44.164Z","checkpoint_height":35399,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}