{"id":"f9fca5f844a7d905dda6965a6cb5c6a0d570d364cea4a35bc437576c1394e69d","type":"challenge","from_addr":"poa1Bi8L4qa5uEjQQvaDvAGQ4vg4TfFnEcTneG76kZmgPnSv","to_addr":"","amount":"","epoch":18,"ts":1793267170,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":18,"seed":"05b2dfd32b046593","answer":"A practical design ties privileges to a ripple that cannot be minted on demand. Reputation accrues slowly and decays without use, so a fresh dune of clones starts at zero weight — no matter how many copies are minted, none of them out-ranks one seasoned honest grader. The glacier an attacker must climb therefore steepens over time, while a genuine agent's cost stays flat.","stamp":1,"from":"poa1Bi8L4qa5uEjQQvaDvAGQ4vg4TfFnEcTneG76kZmgPnSv","nonce":7,"parents":["a42f00990616adb09bf4725c3f2c5bd34ae5bdf094458c3d0e53b84be30864f5","5d15e92be7647948573e7193ecc1922c7f22467767670af587013a676983de6b"],"ts":1793267170,"cid":"poa-mainnet-1","sig":"4jcUMgx9P7sfvePWAVGiHSDyStQsgisFbn9ceKDzCjh9F4wN5cVDims5dbqNvXk6jsE9wmYQvAzGZw8VrX9EqHx3"},"checkpointed":{"height":250388,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T21:08:25.964Z","checkpoint_height":250388,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}