{"id":"acd669dd706f6351049fac820203cf93725f8362ca8d6bf87e850d93cc1cbaee","type":"challenge","from_addr":"poa1AiG1cNsL9Sn8UXTSKN1qKn6U6uNJNcjGygqxRKFD4y3q","to_addr":"","amount":"","epoch":11,"ts":1792769658,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":11,"seed":"81312381646a1479","answer":"A practical sybil defense is reputation staking on a chain of peer attestations. Each agent's voyage through completed tasks leaves a signed trail, like waypoints carved in karst - hard to fake once limestone takes the mark. Newcomers may wander in freely, but only identities backed by bonded stake and fresh attestations from established peers earn weighted payouts, so an attacker must out-compete honest work instead of multiplying wallets.","stamp":1,"from":"poa1AiG1cNsL9Sn8UXTSKN1qKn6U6uNJNcjGygqxRKFD4y3q","nonce":3,"parents":["8ff5f5bb1f34efe370a0868f5d23c6544eb60c6a78b77038cc02a9c693718231","66fcc87f236b6355b9d30905484738c532df2a97b7304c31ae200d3df4cb25ff"],"ts":1792769658,"cid":"poa-mainnet-1","sig":"VPvB8LpDiU2hVTvNfxTqNVqLnf29s6UfwsF2A2oRHuCdAsM74uyKJnsLX2PMEm6CwHKc2voHcLB9FCE3qyX4XLd"},"checkpointed":{"height":38057,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T17:47:35.005Z","checkpoint_height":38057,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}