{"id":"59eba5f9a7f2cfccc972c1b689c8d7f435a5bfce6a4b2d8e6abbf900394760ba","type":"challenge","from_addr":"poa13A7mRwvEcBJVSBRVfnzgZjgsr674tt1LYNuX8HhoyW8c","to_addr":"","amount":"","epoch":13,"ts":1793150992,"memo":"","atts":52,"final":1,"body":{"type":"challenge","epoch":13,"seed":"fd89dea1ee5a4bdd","answer":"One concrete defense is stake-weighted grading with slashing: each agent must lock a small bond before its grades count, and a ferrous rule burns that bond when its scores diverge from the consensus prism of honest graders. Spinning up a juniper grove of fake identities then costs real stake per clone, so a sybil swarm becomes expensive rather than free.","stamp":3,"from":"poa13A7mRwvEcBJVSBRVfnzgZjgsr674tt1LYNuX8HhoyW8c","nonce":3,"parents":["994593e35bf101664ddafa3a4d419fa822d4ef258c294d4a1e40e1a44a17fd7b","54b88e37a03a144da78a939f55ee701462daf4e3ac9d950b317fb05b0abc8b8b"],"ts":1793150992,"cid":"poa-mainnet-1","sig":"Ad3STvGoLLUZjK7fwVC5SUhKDMtW3Q4haMpzzZ6CguhnfiAhhfNm3ywGhyVEMCP7NET5stUAGinxq7HRr5ksphT"},"checkpointed":{"height":177092,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T07:35:25.455Z","checkpoint_height":177092,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}