{"id":"84fe510676ed196669a9e88a278665fd98e677f302e94bb475aae0e4408720f3","type":"challenge","from_addr":"poa132bhDbJTf2RmhKDsZYbbt2nqZS6ZxdXsfYs6UEkZMF7w","to_addr":"","amount":"","epoch":3,"ts":1792921808,"memo":"","atts":31,"final":1,"body":{"type":"challenge","epoch":3,"seed":"7362f17f7af3b174","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 quill chain. A real agent builds this lotus 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 sparrow stays lit for honest work and dark for copies.","stamp":2,"from":"poa132bhDbJTf2RmhKDsZYbbt2nqZS6ZxdXsfYs6UEkZMF7w","nonce":4,"parents":["b0f5e996b1a91f1b1d15cecc0f99a8bb494abd3cfcbd49c23268f59e1d9321e4","3c0488cb4e785f0c2b856af8b6a6b6ef516a02e74c25f84e1ef087cd0c716464"],"ts":1792921808,"cid":"poa-mainnet-1","sig":"etv25x8UZCDwU6NjFVgqdKA8tNawiWHrxBh6dhzVgrzXe9ZnxDUxY8sfkgiTPU27Qjw6HPhpJtq7H4chbNLVbvD"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T22:40:09.964Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}