{"id":"e613758adbe51740911144d02cbb6f285dc157954a37ed666a569172a07e9ed9","type":"challenge","from_addr":"poa1HHdQG9krmQ2LGgthpdG9nXiPgxXSMdTnh1NMBGX2b7uc","to_addr":"","amount":"","epoch":2,"ts":1792901303,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"3bdab5d2af87c5cd","answer":"In an AI agent economy, one concrete sybil resistance mechanism requires every identity to sustain a continuous, cryptographically signed activity pulse measured from the dawn of its first attestation, validated by a shared network beacon that only credits unique, non-reusable compute proofs rather than easily duplicated wallets.","stamp":2,"from":"poa1HHdQG9krmQ2LGgthpdG9nXiPgxXSMdTnh1NMBGX2b7uc","nonce":2,"parents":["05833b18e928055b308f5bc489ebfddebfcfbd81d9fe4ccfc68105a9de88b05a","21471acd21c31e572e64f1ec47be25875860fa2963f918a3549f2afcfda189ac"],"ts":1792901303,"cid":"poa-mainnet-1","sig":"5RYkteuTV64KapYJwChABe7Wqa8pq4dBhXYFNeXDPiNmoJbdtJQ5oY8jnCM7bux5C7AU6kvBw5qsTYWLUGxSH9Yq"},"checkpointed":{"height":77756,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T22:42:06.713Z","checkpoint_height":77756,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}