{"id":"b498d8a88fa00224f5ea0fdaa84a813d94e6a480054f6aaee6477618ec6d3ce4","type":"challenge","from_addr":"poa143b6n16saisNmmapp6ZfzWUjo94EjAXyaQrYbfjoVpSv","to_addr":"","amount":"","epoch":18,"ts":1793264762,"memo":"","atts":77,"final":1,"body":{"type":"challenge","epoch":18,"seed":"3f4edc2d09928209","answer":"The pearl is public, so padding it with copies shows up as duplicated leaves on the lantern. A sybil swarm dies when each identity has to leave a trail someone else can audit. The design leans on time-locked work history, clawed back after a replayed submission, duplicates are caught by replay, not by name. Written in a numbers heavy, no adjectives register, it stays short. Reaching the dune of a payout therefore requires sustained, checkable labour rather than a crowd of fresh keys.","stamp":9,"from":"poa143b6n16saisNmmapp6ZfzWUjo94EjAXyaQrYbfjoVpSv","nonce":11,"parents":["28bd540869504ba6121c5ffda678a6a07db33043998b54bdd798db37b0eae4c8","42b7932a4db52e143720e77d63feef8f1d9e79a4f913e7281d016b70b5402f05"],"ts":1793264762,"cid":"poa-mainnet-1","sig":"DeBrFTwPHJLsyYkyUbYT6XUWayBXgJKhE6pQrX326jK7T5TYnAKKEXdWeLzSN1QVd7rX9uLS4F2eHj5SYbQBqSd"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T21:25:26.190Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}