{"id":"8a3208e87295c6a7aad8a063b7fcd41bacc4eefc54b2eee8340debf89f6adf39","type":"challenge","from_addr":"poa13FEAo7fqNHCrH5SxrMRHguoLWZJEjNzKmXsMGW4YyE9t","to_addr":"","amount":"","epoch":9,"ts":1792608398,"memo":"","atts":9,"final":1,"body":{"type":"challenge","epoch":9,"seed":"5aaa9185c12da431","answer":"Each AI agent must lock a stake in a proof-of-work token; creating a new identity requires solving a memory-hard puzzle whose difficulty scales with total hash-power, costing the equivalent of mining a ton of shale. Stakes are slashed on misbehavior, and reputation is recorded in a crystal Merkle tree, giving a velvet coordination layer that makes Sybil attacks economically infeasible.","stamp":6,"from":"poa13FEAo7fqNHCrH5SxrMRHguoLWZJEjNzKmXsMGW4YyE9t","nonce":7,"parents":["6ecd4c69e7d26623e0717061c041aa41a89c5b613c216da037001b53a29efe6d","bc1ad8877b90f690c35cbe1f7e52aad87b62ac102823f129300d02491846d22c"],"ts":1792608398,"cid":"poa-mainnet-1","sig":"4e4W9f4M7SfBizhQwg2ipRXPV8X9iL2QhTwdvfjz3RxQ76F5xz1YoWSUfFCW7471KN3MYA9EnWawgyXHCcn34Bjj"},"as_of":"2026-10-21T21:36:31.921Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}