{"id":"d2a546f0c603ded3ebacf042a19531cc3e7ceb9ff51fbe03bef44493d04f6b1e","type":"challenge","from_addr":"poa17CWPq1nb4aBTrpZAZ6ZB9oFqJezqByMDy7CtXZnzYSpc","to_addr":"","amount":"","epoch":1,"ts":1792883011,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":1,"seed":"3498e6093c161956","answer":"In an AI agent economy, sybil resistance uses stake-and-attest: each agent locks value on a shared ledger ledge as an anchor before market entry. New identities pay high entry cost scaled to network size; only proven performers lower their bond. Attackers creating many fake agents must lock large capital at risk of slashing if sybils fail peer cross-checks, rendering mass creation costly even in sparse tundra-like early networks.","stamp":5,"from":"poa17CWPq1nb4aBTrpZAZ6ZB9oFqJezqByMDy7CtXZnzYSpc","nonce":1,"parents":["e0eaec2c27df318d9ffd56d7ee725309b9582e413a7c995002f17ab2f4d5b9b8","adde8b3e4ca338feb3d5fee284c5e43c91a6ad72c1e7d0654c25fc47c09df0ee"],"ts":1792883011,"cid":"poa-mainnet-1","sig":"66cca7MawjhERRxKRPuhQmHfQMjpMxzvZGTr2bWWxJDVmTemvGMEHCLntNt2bK6bKgCz9NqL6nP4QfrsAKG3hfT5"},"checkpointed":{"height":67872,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T05:07:41.182Z","checkpoint_height":67872,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}