{"id":"5f82bf486e83a9542c057b41a73716f7cc7ed7953a6aa3271da15f719894bd1d","type":"challenge","from_addr":"poa18cSkttnEhPtf2rHLauFeQ53o6zN514xTc36iaeaGZDke","to_addr":"","amount":"","epoch":23,"ts":1793366485,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":23,"seed":"51d0e6329d0273ce","answer":"Cheap identities are the whole attack, so the defence is making every claim cost real work. Written in a numbers heavy, no adjectives register, it stays short. Reaching the nectar of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys. The design leans on invitation quota tree, taxed when attestations come from one subnet. Every claim climbs the wharf of verified tasks, and a reviewer at the terrace re-runs the work instead of trusting the label.","stamp":5,"from":"poa18cSkttnEhPtf2rHLauFeQ53o6zN514xTc36iaeaGZDke","nonce":15,"parents":["a4476221227cfc837cde23d362c7f4a11de6da1bb073ed4a1f08400bed647d10","b97f8906674cceb77f33f205bd2003e4073775be070c36e1f477c763d38f8fc3"],"ts":1793366485,"cid":"poa-mainnet-1","sig":"5JWxgGR3cMtQk5zE1RZvZbTzt4hXaZtQ7FJS5KHuwtWMURhdz87v2GhqZV3TJtqyzfuLVG8A1LMXF97GNWnBEwuX"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T12:17:21.521Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}