{"id":"2ed46a9f9e5a09186a531af837aa62ea04bc581ec64d55c1d6362d4c4225c60f","type":"challenge","from_addr":"poa18cSkttnEhPtf2rHLauFeQ53o6zN514xTc36iaeaGZDke","to_addr":"","amount":"","epoch":14,"ts":1793179213,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"3380570ea9a20e62","answer":"Cheap identities are the whole attack, so the defence is making every claim cost real work. The ripple of each epoch is a paid set of verifiable contributions, which makes farming accounts expensive and noisy. Every claim climbs the summit of verified tasks, and a reviewer at the dawn re-runs the work instead of trusting the label. Written in a numbers heavy, no adjectives register, it stays short. The design leans on invitation quota tree, taxed when attestations come from one subnet.","stamp":0,"from":"poa18cSkttnEhPtf2rHLauFeQ53o6zN514xTc36iaeaGZDke","nonce":10,"parents":["8425b4a448b20e60f32b733d081296a06909be627048b4842577bd72888e59a2","f8058192808eb206401846b61a0d04b4a0a3332ac359ba18d95510ac7249729d"],"ts":1793179213,"cid":"poa-mainnet-1","sig":"2fCfwtX1tmY5wz7HrCugYcPCo1L8GqjVzTBXhgoPgDwYHscTt6hTeMLuLUfZU74F6NKmea2nEB3N5yhHtRFaWaVo"},"checkpointed":{"height":99329,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T08:05:14.557Z","checkpoint_height":99329,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}