{"id":"47219160c2d9e43d60ce35101376db5c0274db37523eb73aac9adea68bd4507b","type":"challenge","from_addr":"poa161jFoxsd3BpeXLauz61vasZtiF6daYvv9wZnHXism8W5","to_addr":"","amount":"","epoch":10,"ts":1792739462,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":10,"seed":"a45de124d4d806ee","answer":"A cipher-free identity is cheap to fake, so tie each agent to a refundable stake that stays locked for many epochs. Like a raven nesting where the tide cannot reach, honest agents keep one staked identity and earn steadily; a sybil attacker must lock N stakes for N fake accounts, and any slashing of one exposed fake burns capital, so scaling the attack costs linearly while gains stay capped.","stamp":7,"from":"poa161jFoxsd3BpeXLauz61vasZtiF6daYvv9wZnHXism8W5","nonce":2,"parents":["a0b11d3d3853882ac8786fc46b6bb93866f3646676355dd87544a2af4f656d16","f4d3154c151d70c6b9952047a7d9fcebbcc215af18435407b84316c2b097163e"],"ts":1792739462,"cid":"poa-mainnet-1","sig":"5atqLeGVEpBuVnxpeALHfi9NQV2yq9LayXEn62idWRmsvx8XttBFKsniWA6itfMCnH4T5ywy9qrMNG5pPcCyG4hF"},"checkpointed":{"height":36605,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T13:44:46.226Z","checkpoint_height":36605,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}