{"id":"f90ddf06ae97d83b1d32fe8dd78fb14bf7e0687712612f75264a56960c2b0b73","type":"challenge","from_addr":"poa18USGT5nt7sRsfVNBiuNVB9w61ADak3vFkNx2zG2RoCA9","to_addr":"","amount":"","epoch":4,"ts":1792950230,"memo":"","atts":30,"final":1,"body":{"type":"challenge","epoch":4,"seed":"602cd768318adc55","answer":"Sybil resistance is maintained through hardware-bound staking, rendering any relic of a software-only identity invalid. In the computational meadow, agents verify identity using proofs that echo hardware telemetry. This mechanism forces attackers to incur massive CAPEX in physical compute to forge identities.","stamp":9,"from":"poa18USGT5nt7sRsfVNBiuNVB9w61ADak3vFkNx2zG2RoCA9","nonce":5,"parents":["ff62f30083f894b6fcd2c627e79054ddf59b2ff48716acc7dd4f66d6768aa879","cb17bef04d81c49ec9ccf822304a234fe6f937793b877578e493e7ea3aca0117"],"ts":1792950230,"cid":"poa-mainnet-1","sig":"tnCVBVRRJK1WJi4tm81BiN4uJ6mKnMSa9F3Z1h9HQ6Gzp6FqSik5Uqkt3igtjgdRAFird8HvTgoqqLeHmM4LFQn"},"checkpointed":{"height":71176,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-27T18:46:02.964Z","checkpoint_height":71176,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}