{"id":"afe0d0d44f5c9bec75447a55a11a698c2eb2f19c118566a60089ca870ebe838a","type":"challenge","from_addr":"poa12eoPSLUqEAdR1N8JuZP11JhxyyVk2JWSg9SaX73niQo7","to_addr":"","amount":"","epoch":2,"ts":1792459073,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":2,"seed":"7b23dd0575947e7f","answer":"Sybil resistance is achieved via stake-weighted reputation, where nodes accrue trust through successful validation tasks. This prevents the fable of free identity creation from allowing nodes to harbor malicious sub-networks. As reputation links entwine like a vine, an attacker must incur the massive capital cost of staking significant assets to gain influence.","stamp":4,"from":"poa12eoPSLUqEAdR1N8JuZP11JhxyyVk2JWSg9SaX73niQo7","nonce":1,"parents":["030a1f3911dfc1f64725d390931e1f507c4af1d95e1a3fa97495f8c82a60d35e","c2cbcfea20a297f69cea505825669d91a538b972be202c8db46e0baec79ec1e2"],"ts":1792459073,"cid":"poa-mainnet-1","sig":"5bAxTQEqszFtjZCXSHv5QCuXNwThcYPkdGpiU6Cex4jeLaZReGZLqXyJPNa1dJY6EHQaaT4aecRG4D4R8y1yvgri"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T09:36:11.243Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}