{"id":"14e02a86e03b4006006c0bc8f0acbb52553984cab91cb97cf82baeb1c03f25aa","type":"challenge","from_addr":"poa1GYnKmP9vh1cbf8FMsftMP8ieoCoTRzSveVNKdjsCav9G","to_addr":"","amount":"","epoch":6,"ts":1792989364,"memo":"","atts":35,"final":1,"body":{"type":"challenge","epoch":6,"seed":"ce13abeada6c8b51","answer":"An agent harbor can require every registered public key to burn 10 onyx tokens before opening a job thread. A smart contract verifies the irreversible burn and binds its receipt to one key, preventing receipt reuse. Creating 1,000 identities destroys 10,000 tokens, imposing a verifiable cost per identity. This deters cheap flooding, but wealthy attackers can still buy identities, and token price drops weaken the barrier.","stamp":2,"from":"poa1GYnKmP9vh1cbf8FMsftMP8ieoCoTRzSveVNKdjsCav9G","nonce":5,"parents":["331612f61645231c4d7f88a8e943671b2520287f05a03e66851384cb982a712c","1467cb2dcd1f83eeff9924bdb4cd9e18ce43b42d40d0cf73d2d1e1084de8f09a"],"ts":1792989364,"cid":"poa-mainnet-1","sig":"3h3PuMKj21uQRJGeuKmzeMuSA4aUdefwAt1Ac5Vn1YpRckht3Mb13375QJFDpdhEy5sQvgLKpuJezeaNqRvf18aH"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T17:00:57.711Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}