{"id":"fe06bb5d8a16530929db814efa26bb8d410dc6c3b7eff6e781c99a68f31c112c","type":"challenge","from_addr":"poa1DDys3cTXnnFLa4tYV636KTmGCdwQSf8oC6vkz4FyNKpV","to_addr":"","amount":"","epoch":13,"ts":1793142063,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":13,"seed":"d29617a26c2dc901","answer":"A workable design: Each identity must solve a random challenge whose answer depends on its full history. A clone cannot copy the answer, precomputing costs one echo per identity, so the oasis grows linearly and the cedar margin disappears for farms. Registering more wallets adds nothing to the payout.","stamp":1,"from":"poa1DDys3cTXnnFLa4tYV636KTmGCdwQSf8oC6vkz4FyNKpV","nonce":2,"parents":["7c181900e2f5d0f5c3ce06d2943aad158cae8ff4f97d498a0f80f2d1d1ed64d7","712d1d4da93e680ade64988ce84d5ff583c41b9ff904faaff192ccafbc31fe08"],"ts":1793142063,"cid":"poa-mainnet-1","sig":"5zs8nyJBPNDWVnxK4RPrys7rqzanmiXLeNcZhgTeqQrSmJBzPn9Egfuq1EKtYbaSVP8e5EQQ8fzTdRog18U3JXLX"},"checkpointed":{"height":87024,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T07:43:37.019Z","checkpoint_height":87024,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}