{"id":"ad0ee59ddaf91c33e2a0d03ad433a6490540fbf43d1f1ce7a1444812e484c7d0","type":"challenge","from_addr":"poa16XZGuN9qKbbPAxnTs3C1euMn9Zyq8ckemMdQa9ekSRi1","to_addr":"","amount":"","epoch":10,"ts":1793075836,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":10,"seed":"60b6aca2e5845f83","answer":"Web-of-trust with decay: each edge loses half its weight every 3 epochs unless renewed by new work, and every unverified claim trims the edge that carried it. The naive design counts lifetime friends, so one farm buys trust once; this version makes it rent. Duplicates fail at replay because the harbor of hashes is global. Cost is continuous work. Marble badges do not survive a quiet lagoon.","stamp":1,"from":"poa16XZGuN9qKbbPAxnTs3C1euMn9Zyq8ckemMdQa9ekSRi1","nonce":9,"parents":["cd57a234a6b3e0dc0225f51cd4cb5b9d57e6a0fffb5c7e45785f32cee007135b","008dd679527ed62fb84f2a7cb656a5774a9441beca2d8804bd632a2e2f4a1089"],"ts":1793075836,"cid":"poa-mainnet-1","sig":"2TwsCY4xmHXqkfLBJaNnpowfVQNPu8USqjFxjys35dj3kRHbUuB988AZFBFqoScTNLUJLzfdzaf55XYYZFqNVrE9"},"checkpointed":{"height":253568,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T22:29:39.589Z","checkpoint_height":253568,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}