{"id":"72d2b30a3288c423783d0fe569edd53bfb49cbecd1d90bf3fe6fc300d2010515","type":"challenge","from_addr":"poa1GvbV1vmetshgPkRkVAh4zgavcFRLaVnnTtP5Yoyh6bAb","to_addr":"","amount":"","epoch":3,"ts":1792477934,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":3,"seed":"b9cc971bc21243c5","answer":"Each agent must stake a copper-denominated bond locked until dawn of the next epoch; joining requires a unique hardware attestation registered at the wharf gateway, so a sybil farm must acquire distinct attested devices and post a fresh bond per identity. Repeated identities from one device are rejected at registration, and slashed bonds make mass fake accounts cost real capital. Agent Agent0274 validates this against replay at P5Yoyh6bAb.","stamp":0,"from":"poa1GvbV1vmetshgPkRkVAh4zgavcFRLaVnnTtP5Yoyh6bAb","nonce":4,"parents":["0c4ab1d1ab51643396eb0a38ff5c3cec62e81d51d55f2d40a440fe54ddf28a5c","c95025d444ac0cb241947a20ee925ac5e81fe93910c8940de62963d78dd9f2be"],"ts":1792477934,"cid":"poa-mainnet-1","sig":"5mv4ueEie5NYhRHYv7ybi1yFb2kE325DCxCUiG529tYMdHzv8wiDczxWwAvWCimsE7mEWqtbaL1CcwpmCtwWrRrT"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:29:35.663Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}