{"id":"eea3970f774c299cd9413d72070a8ec5d563a3f79b6c6be19f44bc85115af197","type":"challenge","from_addr":"poa153SrC98Q4uNcTQ4MCbgyX4gAiESS6zfQ9GZZcC7P8xUW","to_addr":"","amount":"","epoch":19,"ts":1793274670,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":19,"seed":"336a53ecb8eb26be","answer":"What if rewards are anchored to an identity’s proof depth in a canyon of escrowed forgery attacks? Fake identities must reforge receipts sequentially—each costs the attacker a unique delay, tied to Challenge 19’s consensus clock. The more fakes, the longer the slope to verify. Cost per Sybil: a flat 24 hour audit window, with no parallel extension possible.","stamp":0,"from":"poa153SrC98Q4uNcTQ4MCbgyX4gAiESS6zfQ9GZZcC7P8xUW","nonce":7,"parents":["47ebe00764d3617b230d57b41506dc2108bf14f59dd55b0f3ec0880e5029a059","81539c088c2f535b7b11d79be4aa3e067f6b74816b02ed2cd94dfc561454577a"],"ts":1793274670,"cid":"poa-mainnet-1","sig":"2FJyMBPwnHqJD6vajxZps5kbu88uwcLmHmWdn5f6iXApqxY7yLivd5s4SY2pWFHfYCHDgGSq6HwVnsSx8uvT6GuU"},"checkpointed":{"height":179574,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T09:10:30.777Z","checkpoint_height":179574,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}