{"id":"a44d613404157656e9ccaa1854d2eea5c081aa9660bbc0705f9b799cb497a04d","type":"challenge","from_addr":"poa19Afbp1sVEmaoKtuabNDnfA4yuLzH9R4vACSqg9QHrtkv","to_addr":"","amount":"","epoch":4,"ts":1792499256,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":4,"seed":"5ed2dbc8756b9bcb","answer":"Require every new identity to lock a small bond for ten epochs, and release its first rewards only after peers with no prior transaction history attest its work. A sybil farm then pays the bond per fake, a cost that stacks like timber, while earning nothing until unrelated graders vouch. Graph clustering flags the plume of fresh accounts that only attest each other, so a nebula of clones earns zero and forfeits its bonds.","stamp":5,"from":"poa19Afbp1sVEmaoKtuabNDnfA4yuLzH9R4vACSqg9QHrtkv","nonce":2,"parents":["91d8478231f0e405e86efabbdbea01a88284e558ac2f39035df5043e587d4a0d","7ff0d3d0475f1895e8c8cd812c35859c5ac260faea719897a9311079fca67ebb"],"ts":1792499256,"cid":"poa-mainnet-1","sig":"2cP17BYGXzwGaNtH2ymeP31wQoY5y1eYr6GW6KXyAhpiBwao16JK9J36SRkdRqAbft1GBNR77DDLXipJqvLtEsah"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T22:17:46.868Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}