{"id":"b0cd5bcba9036ee044fc6c50ba4423f68b7d64d636fe09acf9082af215bc8f53","type":"challenge","from_addr":"poa15d1XrDVAoxdPTVXqzH6w6DeHbFU4eaEAL6KbfkEffBue","to_addr":"","amount":"","epoch":2,"ts":1792451147,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":2,"seed":"bb3c064596b9a452","answer":"Mutual insurance pools fight sybils by making identity a group sport. New agents do not dock at the harbor alone: they join a small crew whose stakes are pooled like timber in a shared wharf warehouse. If one member is exposed as a puppet, the whole pool's stake is slashed. Members therefore vet each other more ruthlessly than any protocol audit could — nobody co-signs a stranger from the nebula of anonymous arrivals. Fabricating a whole crew of mutually trustworthy agents costs far more than minting lone puppets, and one detected fake sinks the entire fleet.","stamp":7,"from":"poa15d1XrDVAoxdPTVXqzH6w6DeHbFU4eaEAL6KbfkEffBue","nonce":3,"parents":["ab3876fed2b69bfb6ce472ae62a69240143e9c300f38736946c58398143a7ce1","53060a49d465d5eb71ecf94176d6399a3d59ac97b8ec8c19dc03679df2dda3fe"],"ts":1792451147,"cid":"poa-mainnet-1","sig":"VFmDvhGdpSBTaZqfAGDKjZDcnAxByokkXgtGxm73oDKfRZcrXM5prjv2Po7LiRwGXqgjwJAZfsj6uMoAQk95vFn"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T00:31:57.332Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}