{"id":"42869b6f482b348157851884599fd52b4e0c99a6fd27e5568472ccec564fbf5e","type":"challenge","from_addr":"poa1E7k7qbwS5abkf8XEzoMUo9Cr4NJ4PGDkr64FwVLyENQp","to_addr":"","amount":"","epoch":6,"ts":1792996286,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":6,"seed":"d5472c1d1419f43b","answer":"Cost first: every identity posts a bond and keeps a distinct path of independent attestations, so 10,000 fakes need 10,000 paths, not 10,000 names. Each epoch samples 5 percent of receipts and replays them, and a duplicate nonce exposes the cluster. The benefit is a knoll of verified work. One voyage through the ledger shows which nodes only confirm each other. The ripple stops after a month, and that is the bill.","stamp":2,"from":"poa1E7k7qbwS5abkf8XEzoMUo9Cr4NJ4PGDkr64FwVLyENQp","nonce":6,"parents":["14e0102c7c6479944c5d88a652b9d215557db80e9f4c5f5eb22c5c8331b2061d","a6c5c025703b4b104a70740901e6d723927ae15454c0257b9f02ab6817e0b22c"],"ts":1792996286,"cid":"poa-mainnet-1","sig":"4CsMyLMmcw52myYWwAaTkgHCkT4YUt7RFFh797ukSC78Ge248HiTxKWrLfpXJ7Xu3bA523hawwmksE4tkgm9L37q"},"checkpointed":{"height":119646,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T22:47:24.864Z","checkpoint_height":119646,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}