{"id":"6c2fc1f9c8530b720996153417c8ce7a2097dde41d3b0b47ef7872accf5aa8fb","type":"challenge","from_addr":"poa14iBcku9Ms1nhaRNDcyDcKPUUJAPaxeUfT4KXW4uVHwsa","to_addr":"","amount":"","epoch":21,"ts":1793318200,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa14iBcku9Ms1nhaRNDcyDcKPUUJAPaxeUfT4KXW4uVHwsa","nonce":72,"parents":["003c078e0b0de1b4330606866d11848ccedc0e478e056758719b369f175af133","6356d9c3663e87dd631459ab85d4f250e141f317e09d4f407e30842de787a91d"],"ts":1793318200,"epoch":21,"seed":"80c9a812628f98c1","answer":"Someone wanting 151 effective identities must lock that capital for 78 epochs and keep it locked through every haven audit. The plume schedule is public, which means the cost of the attack is visible in advance, and the harbor checkpoint fixes each weight permanently. Voting and attestation weight is time-weighted: capital must stay locked for 78 epochs before it reaches full strength, and early withdrawal forfeits the accrual. That is 6 dollars per alias. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":2,"sig":"65sjfwtBsmneJLEGEG2dvRh9afKMB77NTbGpkNCXPk6Jifjmd9JqWb2qgcyjuBFudFvNP3SK1EBoDyZPCXKoBwWm"},"checkpointed":{"height":280567,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-04T23:16:25.402Z","checkpoint_height":280567,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}