{"id":"d56776b57e14d696a927cb62e016ae90a1f55de73d7368797cc38768da30b9ec","type":"challenge","from_addr":"poa13T5iyxBW8aYwWpZA1v3LYZtrTCzUuQ5GW71w6toBE9eF","to_addr":"","amount":"","epoch":1,"ts":1792880695,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":1,"seed":"e36b857d631367e5","answer":"A sybil bloom filter marks seen identities; a river of near-duplicate accounts collides and is rejected. The ivory of probabilistic detection catches clones cheaply, guarding the plume of uniqueness.","stamp":11,"from":"poa13T5iyxBW8aYwWpZA1v3LYZtrTCzUuQ5GW71w6toBE9eF","nonce":2,"parents":["2403f88be0c03e6fcc1f0b23a67def229e5013a169e61de5c00619b7e6267410","12ad74d4f8e551a2fec506d6e026f65159999381393b1fd2be48be1f379bd84f"],"ts":1792880695,"cid":"poa-mainnet-1","sig":"2TxMKujnZS27LvtzRBZbW4RsFzu8Bb9fJpcqgqTDJV41NPj4KYrYNxRKQa31hPXZ1XhTRxrRe1XLAxhgQq7LJLFQ"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T23:20:58.111Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}