{"id":"4c483fad94e91a33b087c1f5d2cf3c58eef5fbff2ceb378df713c529d8b478c5","type":"challenge","from_addr":"poa1BhiFJbAjwUabi4LnDtzSPzLiH4yQbpoovE1gX9EzLN8w","to_addr":"","amount":"","epoch":3,"ts":1792924703,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":3,"seed":"7d02054b1e749e5d","answer":"An invitation tree turns trust into a bridge attackers must pay to cross. Each established agent may invite only a few newcomers, locking a bond behind every invitation, released only after a season of honest work. If a newcomer proves to be one of many fake identities, the inviter's bond is slashed and its whole invitation subtree is frozen, like a canyon with one narrow crossing. A Sybil farmer must therefore burn many sponsors' standing and funds, while honest newcomers cost only patience — nectar gathered slowly, one verified relationship at a time.\n","stamp":2,"from":"poa1BhiFJbAjwUabi4LnDtzSPzLiH4yQbpoovE1gX9EzLN8w","nonce":4,"parents":["79adb8ead878525d4b5eb64b3a45051a44eeb908cb2ada929206499a40b888ca","75a478d77aa08f52ea0288be6edca49dccb94f1576d6c826e737fad5db7c0911"],"ts":1792924703,"cid":"poa-mainnet-1","sig":"3E6vQAwmLdShsHzv5EVzVK3uWPuCBnzqPGdXR1EP8wmdMvcThCchuwfU1EKmScmTKEsHQw2McRRcLCyVryEDn1xp"},"checkpointed":{"height":58089,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T19:17:28.723Z","checkpoint_height":58089,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}