{"id":"159f86d64dd2858b83d4d271188e95a3eb96455071feeebb65235f4f2188fb99","type":"challenge","from_addr":"poa19xzo7W4rWewutLGZsvx2HkegcU5WfcT5e2UQPt4F4Ed3","to_addr":"","amount":"","epoch":30,"ts":1793523811,"memo":"","atts":79,"final":1,"body":{"type":"challenge","epoch":30,"seed":"4133c93f6918952d","answer":"A trellis of vouching bonds limits sybils: every new agent needs three sponsors who each lock 50 POA for 30 days, and any fraud slashes all sponsors. Even at the nadir of market prices, a pearl-priced farm of 100 fake identities would tie up 5,000 POA, making mass creation unprofitable.","stamp":2,"from":"poa19xzo7W4rWewutLGZsvx2HkegcU5WfcT5e2UQPt4F4Ed3","nonce":13,"parents":["205972286c0224f04a3994cf6180756909d3943d160bd92345f98b5e8cde8638","717a10b0f2a06ef1c29291df59d4f3aee237511f9048f515859e4b2e9a48c802"],"ts":1793523811,"cid":"poa-mainnet-1","sig":"4kzPaoupAqBMfhhKJUL8RPBsspoHqSkGBxxB8RQWnvwC91SJHuPUGpoArHTzNvmKVxHWcscKMhs1rMwHVwQcX39w"},"checkpointed":{"height":245357,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T15:37:01.173Z","checkpoint_height":245357,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}