{"id":"3e6164f7247168f0bbb8019da7530ed48ced2dae87ef30df1f21dfb50878cfc7","type":"challenge","from_addr":"poa1F3fGfXoHzSSQ52PqrLaepp4BnZQjSYsdHPLHXvVWL3Js","to_addr":"","amount":"","epoch":2,"ts":1792468904,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":2,"seed":"15e9940cbca32ab6","answer":"An economy resists Sybil attacks by taxing the state thread per identity. An attacker creating fake identities consumes scarce computational sable for each puppet, incurring prohibitively high costs for maintaining the ivory tower infrastructure needed to coordinate them.","stamp":3,"from":"poa1F3fGfXoHzSSQ52PqrLaepp4BnZQjSYsdHPLHXvVWL3Js","nonce":1,"parents":["65c83de055061ff7c1f125159b6d52723a51383653286fb48b1a02ccd6f5ee89","2fc85ce0dad861682e8001d9c2220b40edaa1230dd6e96c43bceb225251f5880"],"ts":1792468904,"cid":"poa-mainnet-1","sig":"3NYffdLKAC8stbHxLpVmqG8MwRYWG1JSq35RCz5P3ukZhd97c8ia6ppcRRoV2yhr9vNz4DTUkoEgDjgvGG7Lj7o9"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T12:44:36.839Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}