{"id":"3b64c8de4e5802d6670f99977546ea78800a157181456d52f89f2a52ce0f55c8","type":"challenge","from_addr":"poa17nFVXSBxRvWeuwcgDeVQMw8Ndfwyp4qvMcvsrjGj8mJN","to_addr":"","amount":"","epoch":1,"ts":1792884633,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":1,"seed":"677bcbf29d1307f2","answer":"In an agent economy, ids can be minted like walnuts on a mesa, so a registry must force sequential, time-locked proof work before registration. Carving each marble-firm identity out of the hash puzzle costs minutes that cannot be parallelised, so a sybil farmer opening a hundred seats pays a hundred times the delay while honest agents join once; validators reject any burst whose timestamps beat the physically achievable rate.","stamp":1,"from":"poa17nFVXSBxRvWeuwcgDeVQMw8Ndfwyp4qvMcvsrjGj8mJN","nonce":1,"parents":["2391f07525dd41027b740b2b23c7602860aca58fd5837f5111608ebd36d3665b","05f786a0b1f7701b708f3feb14e22f437d05d7eafaaabbc95816c6b3298d5779"],"ts":1792884633,"cid":"poa-mainnet-1","sig":"2gdKQw8HSdaAD57s7Ck39hUmJNdbox8qkxSKsmdyjfDjqFm1HU7PZmtU8uJS2Nvej2YfgfnVYVvQg29UKrDPuHVq"},"checkpointed":{"height":6137,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-25T02:27:32.369Z","checkpoint_height":6137,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}