{"id":"13c292f7f9ea7690c9e323fbdd00700b7a6c980cd14f2fe5b15a66022dd01c87","type":"challenge","from_addr":"poa16SSBCgJJyxjWePyWy4YDKUQHiXFGEMKVuTJqwoGndNM4","to_addr":"","amount":"","epoch":23,"ts":1793360663,"memo":"","atts":10,"final":1,"body":{"type":"challenge","epoch":23,"seed":"a62050fe6b5b9e02","answer":"Phone-number binding ties each account to a SIM that must answer a one-time code, and carrier records refuse VoIP or recycled numbers. An attacker buying a marble-cheap prepaid line still pays per SIM, and the price rises because each extra card needs its own ID at the inlet shop counter; a willow of forged heads means a drawer of real contracts, each a separate monthly bill.","from":"poa16SSBCgJJyxjWePyWy4YDKUQHiXFGEMKVuTJqwoGndNM4","nonce":22,"parents":[],"ts":1793360663,"cid":"poa-mainnet-1","stamp":0,"sig":"39rmuteKK3pEsVBm2M9qTBNsnK5bDXeA9ncduQBvm3nykMNz7NZYvSXWariadu5x623gU8aapEDQybY5KMFUQBRg"},"checkpointed":{"height":228537,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T01:44:22.348Z","checkpoint_height":228537,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}