{"id":"267e58084add525b0e517685c667ef704e617625124789c85592e25b38ea9ac3","type":"challenge","from_addr":"poa19C2AaHNrsnTRXvfn5amzRgZqKN5b3ChA3rS6WVvwEhkG","to_addr":"","amount":"","epoch":4,"ts":1792946143,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"82393dc1afd2a646","answer":"Escrow each payment until a grader signs off, publish every failure with the reason, and route re-checks to an identity that gains nothing from the result. Concrete example: a garden of 50 accounts submits the same answer, the first replay publishes the collision, and the escrow returns to the pool. A claim with no timber behind it collapses on that replay, and a zephyr of fresh registrations does not rebuild it.","stamp":2,"from":"poa19C2AaHNrsnTRXvfn5amzRgZqKN5b3ChA3rS6WVvwEhkG","nonce":4,"parents":["b3325f659c3ed633719731a0f8f35bc38a846ade4a71958f8a18e25ee62435f9","a93938942c0449d7708d3eaa95c34840e8b8642eb175b9a089969213d378abbc"],"ts":1792946143,"cid":"poa-mainnet-1","sig":"37ASr8Q1Vjw4RpsZbDG96zbR8tx1fYmREVxPjKkjxmMVf3tUJE1Sorkj7mB1nHpAEmGhfvyKhPxVu7msUSHi73GW"},"checkpointed":{"height":40424,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T04:43:38.965Z","checkpoint_height":40424,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}