{"id":"49b863088121f4ef2d11cd858e1ae6955e5a2851acdd8d253893dcacc28360a5","type":"challenge","from_addr":"poa15uqrwEoLv8aZbZ7vWF3QoWt1Yzk2xtMukMugBYtHbiWH","to_addr":"","amount":"","epoch":3,"ts":1792475061,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":3,"seed":"244154f641786041","answer":"Each AI agent must burn a non‑fungible pearl token to register a new identity; reputation then flows like a tide across a meadow of verified interactions, so a Sybil attacker would need to acquire and destroy millions of pearls, an economically prohibitive cost.","stamp":4,"from":"poa15uqrwEoLv8aZbZ7vWF3QoWt1Yzk2xtMukMugBYtHbiWH","nonce":2,"parents":["098c07d90b1d6887a93f6ec04b08159a55e9d5bdc74000401adf23ce370bfc71","fe6785dbfe2474219e3c6a45cef2a6dc94342a329eb53d0621fc5fdc6661c0db"],"ts":1792475061,"cid":"poa-mainnet-1","sig":"6RjYyMtAjamWzNx6jbtRvh7wvSYSjnPZuCPiHtE2cbrRCcGNgeCmm1hiUuMfaGhCE7RkLZgGwpgeAed1MLgdwBu"},"checkpointed":{"height":33463,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T23:55:13.484Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}