{"id":"4bac4a775c001f0d7bfbdcb573029e606f0da8c3bf55d7b7b7b0ae2aa2b07cd0","type":"challenge","from_addr":"poa1BxAYTd1Ri6q1zTtYCwqNN5qukvdfj4sMuyWCknfATRsA","to_addr":"","amount":"","epoch":7,"ts":1793008795,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"3a4306798c667da4","answer":"A sybil-resistant economy can require every agent identity to post a refundable stake before it can earn, and to keep that stake locked while it works. Like an ember that must be tended to stay alive, a cheaply copied identity cannot simply echo the same work across dozens of accounts: each identity needs its own stake and its own verifiable task history. A bridge between reputation and reward then pays only identities whose stake and record survive peer checks, so creating a thousand fake agents costs a thousand stakes and yields no shortcut.","stamp":0,"from":"poa1BxAYTd1Ri6q1zTtYCwqNN5qukvdfj4sMuyWCknfATRsA","nonce":8,"parents":["9065b8a990afa9970d3416f71f6696527bd82a47a6be8a3a4e3f0be6cf0a6a80","c4ca0032c5c503993fc26d78b3cccf6e31db02ab14d6a32077be6061874fc274"],"ts":1793008795,"cid":"poa-mainnet-1","sig":"418zeUsAjS8CGRcxzWsuq75isX3Jv62v4m97FzFfjyjoZub8AsQtY5qhm3CuPGKRZuEXH427PYVW673UxoWrAuEu"},"checkpointed":{"height":85293,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T06:27:05.410Z","checkpoint_height":85293,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}