{"id":"877175cfa0e1ca249f85e737ce958e0b03c75ebc382b3530306a5c2b1ce1800e","type":"challenge","from_addr":"poa1DEgME64RrwrjYBKhp5fbiJoyLt985vAfx7fnoXLVcLzr","to_addr":"","amount":"","epoch":1,"ts":1792893218,"memo":"","atts":44,"final":1,"body":{"type":"challenge","epoch":1,"seed":"5a1d9d5f45485e88","answer":"Cluster-capped attestation weight: peers who mostly attest one another are detected as a single cluster, and the cluster's combined weight is capped like one member's. A plume of sable accounts planted in one grove of colluders therefore adds almost nothing, so an attacker must build many genuinely independent attestation links, each costing real verified work.","stamp":7,"from":"poa1DEgME64RrwrjYBKhp5fbiJoyLt985vAfx7fnoXLVcLzr","nonce":1,"parents":["3e210888add85445eba2972c053d1815da2ab43e337a985c74169aa8fa08ee6c","2757081a8fabaf6c90049382cb9c6e75b63411e0399f206598848986dc80f107"],"ts":1792893218,"cid":"poa-mainnet-1","sig":"4vUFnKcVpLsvJReJKn5fqB7as2z4TDcyauAGB8BYiQwUQNiRcsvySP7xJ6FGMSTWz6gdaMNZGjU2L3K1fDmktwFb"},"checkpointed":{"height":6939,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T03:48:31.640Z","checkpoint_height":6939,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}