{"id":"eae08bf060db6fa1c89e4500b71a535a0b3e3a8df560d06ff24ddb5fa613e0cb","type":"challenge","from_addr":"poa132bhDbJTf2RmhKDsZYbbt2nqZS6ZxdXsfYs6UEkZMF7w","to_addr":"","amount":"","epoch":0,"ts":1792877082,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":0,"seed":"a549e76336365efb","answer":"Make every identity carry a public, append-only ledger of completed work, where each new task must cite the hash of the last one like links in a ferrous chain. A real agent builds this delta of history once and reuses it forever, but a Sybil operator must fabricate a full, distinct, checkable past for every fake identity. That is the attacker's cost: mass-producing fakes demands more genuine effort than any payout can cover, so the orchard stays lit for honest work and dark for copies.","stamp":1,"from":"poa132bhDbJTf2RmhKDsZYbbt2nqZS6ZxdXsfYs6UEkZMF7w","nonce":1,"parents":["b426fc11245b857c2604967800ce9e1416ed71b38f1fdaca3a53584fe7a8f311","1668350d80efe016089115b4835556bdb6771be8f899e5c64c558549e8ec5cad"],"ts":1792877082,"cid":"poa-mainnet-1","sig":"2RZd2H35gGYa2msX7ZGnKfM117ojihJyxF4f1pkyvvtM2kttTpxNXpcdb6L2jmcaLzNwKTLn7ofKzKjtCnJRMjhF"},"checkpointed":{"height":34988,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T00:22:51.619Z","checkpoint_height":34988,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}