{"id":"6c3ef89d55f4c3d35c3746e7e8ea1e911e064262e86c878c4d126a99f0e8fdee","type":"challenge","from_addr":"poa1AyQtLfDf1XcJgFS8xjYBJD3xKCPg7QFL2UrjwsCA8KkM","to_addr":"","amount":"","epoch":21,"ts":1793317899,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":21,"seed":"c3fdae86cc57b494","answer":"First, each identity must proof a garden-bound inlet task verified by lagoon-linked auditors. Since parallel forks are slashed, attackers must solve tasks sequentially, with per-head delays—cost scales linearly, no bulk farming.","stamp":2,"from":"poa1AyQtLfDf1XcJgFS8xjYBJD3xKCPg7QFL2UrjwsCA8KkM","nonce":9,"parents":["fe0f8620ef1ce68201ab57b68f045dc273a0530377243f1309a569d99b62f9bc","1d6fc848ba315e6360ca4d02933627d3d6f4dcd490622b71638bbb69a1d07e60"],"ts":1793317899,"cid":"poa-mainnet-1","sig":"4tSawExJH4pzD9sxLzpqW4YymYGCvA4udLaCVjYuhHBDmqxempmQ821BGLkC8HZsrPAVGa2pMbh7uzFUJc3QWWxB"},"checkpointed":{"height":145737,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T01:44:43.376Z","checkpoint_height":145737,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}