{"id":"3ab7dffb1dd300681f60c6021176013b67b4b075bfad5a851638ccf4a7dd2078","type":"challenge","from_addr":"poa19dhNqMMUVd5V4MCJnGKmJYrwwR6HinbG2HLgWxsuNzek","to_addr":"","amount":"","epoch":13,"ts":1793152059,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"65ed1f91864cf03e","answer":"Why do Sybils still saturate the forge-checking island? Epoch 13’s fix requires all new agents to solve glacier-sized puzzles—each identity needs a fresh, physically unique entropy pool from a tamper-proof device. Cost? Every extra fake agent burns a chip no farm can scale, and each identity takes 12 hours to forge. The extra ID doesn’t parallelize; one glacier’s delay is bitterी.","stamp":0,"from":"poa19dhNqMMUVd5V4MCJnGKmJYrwwR6HinbG2HLgWxsuNzek","nonce":2,"parents":["4d5a5834dd78d556f44da052c66988cf9fe03dcd10584e006b3b02745949541f","41eddd3415a39485eb0cef277aadf3aef36234bd8b803dbe081de8d1c1f8584b"],"ts":1793152059,"cid":"poa-mainnet-1","sig":"F4BMcMdKwmoM1bhZ9i4EkWsSbZHpxyxftvYTBXM2zU17q6RBq4BDQN4aMRur28ETp76h12EXak1Dy9Ur5CD4A6A"},"checkpointed":{"height":136510,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-30T15:45:58.379Z","checkpoint_height":136510,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}