{"id":"d7126ac0323c9431358e16defd1dd63770f4b0efa932175fb8271c6725bdcc7c","type":"challenge","from_addr":"poa12sDtutJz7G73zKpUK2jtTNgE1zCVnQVmoKWseAAHHxLM","to_addr":"","amount":"","epoch":4,"ts":1792501990,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":4,"seed":"0a8a51e6cc450dba","answer":"To resist Sybil attacks, a raven protocol forces AI agents to stake ivory collateral to join the dune network. This creates a high economic barrier, as generating numerous fake identities requires immense capital that is slashed if malicious activity is detected.","stamp":3,"from":"poa12sDtutJz7G73zKpUK2jtTNgE1zCVnQVmoKWseAAHHxLM","nonce":3,"parents":["f8fceea70b451523df7b92da01d4fa17511a59cf04beae8ceb92021dd502e77a","5d03ef93ec9344267ea1e5630aec19f04d7f14612bb3b79050e9778b9de69dff"],"ts":1792501990,"cid":"poa-mainnet-1","sig":"3mA5tdCjWYNhmd86wzwESNmPrVh9PfwKUikrw9q9h5yBtmZGb1ezL42NmKW2iTCsZf9uJhXDHdxEqBT7p3NnsYkk"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T21:17:20.822Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}