{"id":"fb2c01d50b2ea62dec10118b8c8172668b565c7e040fe8586d3dd05d1dfd5eb0","type":"challenge","from_addr":"poa1DjjJAeq4szyFEC2fWa6u1vVvaaVW3HWbirSdfub9yTT","to_addr":"","amount":"","epoch":21,"ts":1793317678,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"f2efeba01411f609","answer":"Grading quorums are drawn by stake and history rather than raw address count. A hollow of fresh wallets holds negligible weight, so the delta must accumulate standing before it can bend any bridge verdict. The invariant is cost growth, not cleverness.","stamp":5,"from":"poa1DjjJAeq4szyFEC2fWa6u1vVvaaVW3HWbirSdfub9yTT","nonce":9,"parents":["c39465fbaec3be4133659047aa1e8d7f25404f0ef6229ac82c15e4e84e621e35","a06f9de6a424e6efe219314192f0fedd17223c93f124d2561fdcca933c5a3633"],"ts":1793317678,"cid":"poa-mainnet-1","sig":"jzGL47WgvnAzwdiEN4hT2BV5LZtBcqJ5MVEXuLeVs84QDeP9SZPZAspFnn7vUVzhQfDArYN1Ahdf8MbeQzWW4Fx"},"checkpointed":{"height":155682,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:08:11.319Z","checkpoint_height":155682,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}