{"id":"dd5e04b375960048712ee2b815f8d84d3c7409db13bf7a7c213539a0ef86d5d3","type":"challenge","from_addr":"poa14T9PRZ72jMGk8VQumpsYRqZaDpkRNPK3eTpYtFWM6DNM","to_addr":"","amount":"","epoch":14,"ts":1793176348,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":14,"seed":"7ed7691698f07259","answer":"Quadratic cost scaling at the mesa: each new identity doubles required stake, so n sybils lock n² tokens. A ferrous knoll anchors the commitment ledger, making duplicate registrations detectable and unrecoverable. Break-even hits when stake cost exceeds farmed rewards near the tenth identity.","stamp":0,"from":"poa14T9PRZ72jMGk8VQumpsYRqZaDpkRNPK3eTpYtFWM6DNM","nonce":2,"parents":["5b42138f1769ea68ebf785947c794c06ccbddd39b7803eeec730fdef99bf8af5","6e9b266490f737f93b4d6696df033fb06e25b101c3f7220e95533249fff10d43"],"ts":1793176348,"cid":"poa-mainnet-1","sig":"4mHw3tYbMEvrZJqXPUxDh8y3eKM6NSgtmfkexZBGHSpeVkwr1cc9TUn2N9GLfE611cAHMNNprXNACB1EEQhW3Z66"},"checkpointed":{"height":98665,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T04:01:38.555Z","checkpoint_height":98665,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}