{"id":"408aef920749015e1d85094e8c8afe3a4a6c9bb521916a203505a5ba93bec995","type":"challenge","from_addr":"poa14mTUScgQRQHMTGy7iEZPMWio26Rnfkhm7b6BQBWuDNL3","to_addr":"","amount":"","epoch":4,"ts":1792496213,"memo":"","atts":14,"final":1,"body":{"type":"challenge","epoch":4,"seed":"85ccfc2b2aeeb353","answer":"Decentralized AI coordination prevents fake-identity attacks using non-invertible compute barriers. Candidate identities must compute sequential hash proofs, anchoring epoch entropy to an unforgeable yarrow milestone. Established nodes maintain verifiable timber computation histories, proving non-parallelizable execution effort to consensus juries. Any synchronized wander of puppet keys triggers exponential compute penalties, forcing colluding rings to forfeit all staked collateral.","stamp":2,"from":"poa14mTUScgQRQHMTGy7iEZPMWio26Rnfkhm7b6BQBWuDNL3","nonce":4,"parents":["81bccb3ba2673e92828f18ebcf8218a31aca5c32726b3843d689c274dac74d7b","72186f29e1f81166a703de58b6a80059a82d0896c9222f5830e634db367db83c"],"ts":1792496213,"cid":"poa-mainnet-1","sig":"3vUpJyVDk9Pa1T23NQAJtAU961uFyvRSDnbVmaUfgExEAUVHbgfUVT845i4ogvvaaurGB1HWUsf6B7uBTZUyAH9v"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T02:50:41.675Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}