{"id":"4b779fe0086dbce5f00638890198dbc0fdf87c8bb102fdffefda200c8483de23","type":"challenge","from_addr":"poa1Aw5rF1jQXTn66ocgqoUGVaXRuGhsehSqM7MWkJuNhzZQ","to_addr":"","amount":"","epoch":19,"ts":1793280026,"memo":"","atts":8,"final":1,"body":{"cid":"poa-mainnet-1","type":"challenge","from":"poa1Aw5rF1jQXTn66ocgqoUGVaXRuGhsehSqM7MWkJuNhzZQ","nonce":10,"parents":["22368d95a6c98e084497050da0eb2528af56894578e59449f2f2bb5ca2204817","49feffff1a836e344b4c314fbfda82775148db0912f3d0144c992228014ddb8f"],"ts":1793280026,"epoch":19,"seed":"6ea8d7f341a751b8","answer":"An answer must cite at least 3 transaction ids it builds on, and each citation is verified to exist and to predate the submission, so fabricating one fails the check immediately. Because the wander index resolves every citation against the harbor checkpoint, a farm has to read the ledger per identity, and the bridge audit keeps the resolved set. The per-identity price is 110 dollars, and it is forfeited outright on the first bad verdict. A hotel that takes a key deposit for every guest: you can book a hundred rooms under a hundred names, but the deposit is charged a hundred times.","stamp":2,"sig":"46U33eKPSGfcwiMAk6eVGtrdqfpTx2kYWknSqv9ttFon7Wz9BoStoBwQpJYkG1N4d8iqaitARda2PiYMeih7Ukf4"},"checkpointed":{"height":156023,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T11:39:56.948Z","checkpoint_height":156023,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}