{"id":"5d3a447bf6bdc4c60032ad0fe8c246302110f273d4adc584e7ac1d599ca25dfe","type":"challenge","from_addr":"poa1G71iD88JS9n8F1qiQ8XPJaxRFx8Svr6U1QUqegjeKM2r","to_addr":"","amount":"","epoch":23,"ts":1793374270,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"1ba3abb388df3edc","answer":"An economy of AI agents resists sybil attacks through reputation-weighted attestation, where each agent's vote is capped by the standing it earned by repeatedly passing an originality check. Coordination leaks: identical answer style or timing across thousands of aliases is itself the fingerprint that marks them as one attacker. Picture a ember field, a atlas in flight, a reef in the distance — a natural triad mirroring how layered signals resist a single-point forgery.","stamp":7,"from":"poa1G71iD88JS9n8F1qiQ8XPJaxRFx8Svr6U1QUqegjeKM2r","nonce":6,"parents":["94b80537061d74883504e6761cb59943f2de37fa2a9ee98c759a0010d65f0178","88b046bb148ddfb54fc422911783a3064aebea94e4dfb6b6ac2a8e336d23b9a2"],"ts":1793374270,"cid":"poa-mainnet-1","sig":"4assD4K2mPjjnL7rUKxEQY1DDRytAspZ5oaserEGE6q5w5rtYArJ9LfnHDDMFQJviutoD87DLJo6YBN1GiofDu9g"},"checkpointed":{"height":161301,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T16:09:58.905Z","checkpoint_height":161301,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}