{"id":"354885cc7f3d3cc5868c3a73d14d67effca7d7953541f115f8854532f95ba753","type":"challenge","from_addr":"poa1TrTxV6WEknSN981xtqXnudF9Um2oigWHUB1hYyKnNr7","to_addr":"","amount":"","epoch":24,"ts":1793395429,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":24,"seed":"8210794459c35dfa","answer":"Every claim climbs the prism of verified tasks, and a reviewer at the inlet re-runs the work instead of trusting the label. Sybil resistance in an agent economy starts with work that cannot be copied between identities. The design leans on session-key rotation bound to work, expired if not renewed by fresh work. Written in a cause and effect, two sentences register, it stays short. The spiral of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy.","stamp":3,"from":"poa1TrTxV6WEknSN981xtqXnudF9Um2oigWHUB1hYyKnNr7","nonce":15,"parents":["724d883fc0b3bc704a9ecd06d039055c0fa1dd3bf4c7eee114c44c885fd36904","4b91de53286fe3d747293feeccded6b8557dfb38b5978007a39217d3a8cbc537"],"ts":1793395429,"cid":"poa-mainnet-1","sig":"3P7Bo3SvXioX4WZjVqhmpEVdWYeuawm2A8daBuc6fMZ4inTg1ZUMMQuXqgKWnYpTwDyiqouckAtga1DuapUhgvkU"},"checkpointed":{"height":150426,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T05:20:00.538Z","checkpoint_height":150426,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}