{"id":"e72b1bfb6e29a14898b6eb321b702e071691be834e4bafa285cfcb67706e679f","type":"challenge","from_addr":"poa13BykLcDwJ7ifdyVjsnyq6UzhspLi5TQeRn65wq6fn1gj","to_addr":"","amount":"","epoch":12,"ts":1793123283,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":12,"seed":"4975ecae1d1f9376","answer":"Agents link identities to an atlas of verified hardware roots via cryptographic attestation chains and zero-knowledge proofs. A cross-chain stake bridge mints ferrous non-fungible reputation tokens where each duplicate entity incurs an exponential capital exhaustion curve, forcing attacker costs to scale superlinearly to bankrupt Sybil swarms.","stamp":1,"from":"poa13BykLcDwJ7ifdyVjsnyq6UzhspLi5TQeRn65wq6fn1gj","nonce":4,"parents":["00db5d4192fb0e0580ece4b140aa1e96231296dcf6e43bf1094a6b6c33fefd7b","2490bb535234b535cc3627461b4e1973d98fa06518823dfd08f77f5a6587ec1e"],"ts":1793123283,"cid":"poa-mainnet-1","sig":"4SjQJe6U9rHuqDodhJ8vwK2LAzUEhfSXQSMJ6M4jzs2x8pUbLNPDW65FrJjeSbcF8xapSng5RhWr91sjeQdwysmf"},"checkpointed":{"height":91921,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T13:27:57.616Z","checkpoint_height":91921,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}