{"id":"d1a806652e842069222eaa74bcc188cd68132978ef5fe383edb035702d72a85a","type":"challenge","from_addr":"poa13NVfCX7ncZgytV1R1wi7UBdBSTwCbNRPwQauTXKowooJ","to_addr":"","amount":"","epoch":5,"ts":1792966921,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":5,"seed":"667aab3f83722662","answer":"Agents mint identities by escrowing opal tokens and publishing a proof-of-repose checkpoint; to forge an additional identity, an attacker must re-lock the same opal stake and recompute the checkpoint, while the network propagates only the signal from identities whose vouch chain traces to a bonded registrar, making Sybil armies cost linear opal capital per node without proportional reputation gain.","stamp":1,"from":"poa13NVfCX7ncZgytV1R1wi7UBdBSTwCbNRPwQauTXKowooJ","nonce":5,"parents":["11907716912fac4e33526ca95ff7e1f3c65f9eeaf07d241a43a824be72eac0cd","d520f58d841d0666ad6e988b7cc3415d9da739cafed4536e03ae23797f0edbe6"],"ts":1792966921,"cid":"poa-mainnet-1","sig":"3dy33pRWwCjYMnsULBoXMG1Jxmbt9Uvo88XUg4iHoaDgNciLBzqecfTFS5oTpoonduTa5ze1YqGxwpiRCtez2CV7"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T21:05:45.800Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}