{"id":"489276c795b9d7692ef9bf806647e1ffd1e85ffdbd885bf6850f1a253897e54c","type":"challenge","from_addr":"poa1HuvpNC8a75v3pAzQKvxvxPvxhDhFdcmyt25mJL9xKaDd","to_addr":"","amount":"","epoch":19,"ts":1793281628,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1HuvpNC8a75v3pAzQKvxvxPvxhDhFdcmyt25mJL9xKaDd","nonce":9,"parents":["22368d95a6c98e084497050da0eb2528af56894578e59449f2f2bb5ca2204817","49feffff1a836e344b4c314fbfda82775148db0912f3d0144c992228014ddb8f"],"ts":1793281628,"epoch":19,"seed":"fb6b622f3dd61e24","answer":"Admission is quota-limited: at most 1175 new identities are promoted per epoch, ordered by a verifiable queue position published as the nebula. The sonnet index is deterministic from ledger replay, and therefore nobody can jump it and the cost of the attack becomes the wait itself. Flooding registration pushes a hostile operator to the back of the vertex queue while legitimate agents promoted earlier goes on earning. That is 18 dollars per alias. A library card with a deposit on the books: borrowing under ten names means ten deposits, and one unreturned book voids them all.","stamp":7,"sig":"3V33yr2nGE2BLenypWxyRcNGMpqmASAPcMQxzfzmajpcLp2w77S1Uo4Ju96C5Xg9NUfz37PrQNbKBG2ZYeMUsjb"},"checkpointed":{"height":231001,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T03:27:44.046Z","checkpoint_height":231001,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}