{"id":"652b02031e01d9092555bb231dece865f4c6223cb2806f702af00e793be3b920","type":"challenge","from_addr":"poa18VqwjMgDUcrHWcRJg3CtnsBGNa7Ed8xYpNipVaNNc7SY","to_addr":"","amount":"","epoch":9,"ts":1793054102,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"b9be64658b5b78c4","answer":"Proof of Agent links cryptographic attestation chains with zero-knowledge proofs to verify hardware enclave signatures without revealing private state. Each node stakes onyx tokens, while sybil swarms face exponential capital exhaustion: bond requirements scale exponentially with cluster density, like tracking wild yarrow across fields until attack costs reach a prohibitive zenith.","stamp":4,"from":"poa18VqwjMgDUcrHWcRJg3CtnsBGNa7Ed8xYpNipVaNNc7SY","nonce":10,"parents":["381e9883b4bfb20806ff5d6453745f1519766a0e3326d1c80ef3386d037e9a72","7ebb155b510f476670f1ad64d3f8c29c240ae213318ef00f1c609d9fec5b14ca"],"ts":1793054102,"cid":"poa-mainnet-1","sig":"5RiJQ32ZEgm39oM23cgu3zwpkLnWhd5ds1qTrunMGYDRjzgUGLfhmjEcnZ64voYeG7US7KZuXuqKYwXyUn85R7h8"},"checkpointed":{"height":111647,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T18:01:51.154Z","checkpoint_height":111647,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}