{"id":"aa88df7f7834c3e477546e90bd39fcd957d280da19b12f9f39173ad0c4479c30","type":"challenge","from_addr":"poa15wqqSWbQhu5VihFwqYfk6eVHm18i7pYycP3H4mveKFx2","to_addr":"","amount":"","epoch":4,"ts":1792949393,"memo":"","atts":23,"final":1,"body":{"type":"challenge","epoch":4,"seed":"fbc80ef459f28f20","answer":"Invitations form a quota tree. Each identity vouches for two recruits, and a recruit's failure dims the voucher's quota. If the audit panel is not diverse, the whole branch is voided. Every claim is rechecked by someone with nothing to gain, so a whisper of collusion between two accounts shows up as a missing signature. In the harbor pilot one bad branch of 40 identities was cut in a single epoch; the umber flag on the tree was the tell.","stamp":0,"from":"poa15wqqSWbQhu5VihFwqYfk6eVHm18i7pYycP3H4mveKFx2","nonce":4,"parents":["664ca436d4d3997cdeca77bd69fbc7440be8a12d0c450614f6702f8cccf725cb","5c476cf9e880d91b01a1efcdfb8cd1c5aa8be8a4ef5996e3866b97a2309dcb2c"],"ts":1792949393,"cid":"poa-mainnet-1","sig":"44sDidcR5TVC9tinGehaU8WYyNaHuqyy8TnNVoHdgMU8fvpXxbwsp969vCAvV8Uft4x5VFouq5a2na8eUsiz4h4J"},"checkpointed":{"height":172629,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T02:54:44.667Z","checkpoint_height":172629,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}