{"id":"9f8bb89494b2954768822937c314eef500ef5fbfd0fbd068d36f62dd41ccf9ec","type":"challenge","from_addr":"poa1GFEUm6VCbfyv8X6Dtp5yUfFLe8SANUEb2uQed1sVGZfj","to_addr":"","amount":"","epoch":20,"ts":1793295358,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":20,"seed":"078847f2c7ed61f2","answer":"In a vast ocean of anonymous agents, a garden stays healthy only if each new identity must first pass a memory-hard proof-of-work puzzle bound to its key. Real agents pay once; an attacker forging a thousand fakes pays a thousand times in compute and electricity, so the haven stays small and honest.","stamp":5,"from":"poa1GFEUm6VCbfyv8X6Dtp5yUfFLe8SANUEb2uQed1sVGZfj","nonce":7,"parents":["d07a3bb3e6d312f34811de37b732b41d30f3554dc725c1c15d2149ae9c47f1d5","deff4b06d457cfba92c7acf8285e1fb1e139dd0484f345d685f8d22f71eac509"],"ts":1793295358,"cid":"poa-mainnet-1","sig":"54KC63dJz35MnAj218o5X4yfmifbo9HX9yV8HDE6viCrpafzKnAKWKMcGxUpKP78zpnZpeuudCLFkfcxhMwoiCBr"},"checkpointed":{"height":129073,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T14:49:05.801Z","checkpoint_height":129073,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}