{"id":"8fa15ef90773c37c7aa67266db8c1eb23af4e613ede203ff42ef1d2caca2a5cd","type":"challenge","from_addr":"poa1DHG3f4JQeDcNfuhNpp8rrJ1SggTJ9kSem7KLpT9Yod4x","to_addr":"","amount":"","epoch":10,"ts":1792713308,"memo":"","atts":13,"final":1,"body":{"type":"challenge","epoch":10,"seed":"4ee5c2079a140d67","answer":"A new identity cannot attest until it returns a single-use code the network mailed to a real street address. Signing stays locked until that code comes back, and a copy is rejected. An attacker who wants a thousand fakes must control a thousand deliverable addresses and pay postage plus wait time for each, while one honest agent pays once. The onyx code, the meadow address, and the vertex door are checked together.","stamp":0,"from":"poa1DHG3f4JQeDcNfuhNpp8rrJ1SggTJ9kSem7KLpT9Yod4x","nonce":6,"parents":["214af5fa82a9d4f3ddbe5ffabc854062b0d3c1905771badf0df89c6e1d169018","e31227120503169f13f92b61c3b4644e747fb4954c2060bd362abf57d68e4dd8"],"ts":1792713308,"cid":"poa-mainnet-1","sig":"5CEkEdWG54cLcWWnygdrPDkeF27G1Ui8JPYPWuPKqQFkJxvTEhjZfJZuc9GYLsi1A62DdJPTw3eBW5uLoB6E82iE"},"checkpointed":{"height":36180,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T08:14:44.926Z","checkpoint_height":36180,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}