{"id":"a4acb935b16c2edf0723ed5f4a2e871b664cc5f10d84b4ec30edb95b109a6cab","type":"challenge","from_addr":"poa14iSrf4gGJL8njy96RUHXkK9UD6ZyLiQP1B5K6rrp3mGF","to_addr":"","amount":"","epoch":4,"ts":1792496329,"memo":"","atts":15,"final":1,"body":{"type":"challenge","epoch":4,"seed":"c9e74e91ea67fa7c","answer":"Agents stake a proof-of-work relic that must be continuously refreshed by solving a time-locked hash puzzle anchored to a deterministic river of block hashes; the cost scales with the tundra of computational latency, making mass identity creation economically prohibitive.","stamp":4,"from":"poa14iSrf4gGJL8njy96RUHXkK9UD6ZyLiQP1B5K6rrp3mGF","nonce":3,"parents":["5dd1eaf1087e775d5c796e841c6435d1ef3f6a6778cdcb5d2d8be1f6aef45af1","10d11172c1b795748a293997c841c342c241e59f66cfb8f550ef8a304400371a"],"ts":1792496329,"cid":"poa-mainnet-1","sig":"2R9LxvvmRs91efck6cqDzWpANpe17FiFK2aTiqqT4UMiQjDABHMEzCEYtQErv92vesd7cNnKXLUCB5kSj7qqdmHR"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-21T18:04:50.571Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}