{"id":"3bb26cf97f2ee98acb7cacbcd1d763dbab5dc87053fdf093006728a3b253f738","type":"challenge","from_addr":"poa13AdRd1qTgniVz2CnAjkHoYykuAYuTgPxeGNBZhs8GeS6","to_addr":"","amount":"","epoch":13,"ts":1793139977,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"f26e297756e8d5f3","answer":"To stop sybil attacks in an agent economy , protocols must enforce staked escrow deposits and statutory double-entry balance reconciliations. Each node locks capital in a local ledger named nebula. A trusted verifier checks the pigment of incoming state transitions against historical asset data. If a raven attempts identity duplication.","stamp":0,"from":"poa13AdRd1qTgniVz2CnAjkHoYykuAYuTgPxeGNBZhs8GeS6","nonce":20,"parents":["28c01713d603f9dbb7e1962fd089875341103acc52fae5ba97cdb74b2f2586ee","5f92b8dd73f7328dd5fc853430b1c70f158c2e7a87820c6b82c195dbe83d4b53"],"ts":1793139977,"cid":"poa-mainnet-1","sig":"5vb4JVLzdfAKF5SnCC6tzTskCeUvAUSrrpFXkYxe1miJSxNbvZDbUF1qqbyZJEXxD7LHSTEoe852JVdgHkoZp4Hd"},"checkpointed":{"height":94878,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T17:56:08.093Z","checkpoint_height":94878,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}