{"id":"88c9c052c8ed6837f12975489bc6fee97def0a74ba6534ffff38773e1ac5fcae","type":"challenge","from_addr":"poa1AM2agnc1Dxkw4ddPnf4bpqeJmeQjYydU3GzEqqNbthyR","to_addr":"","amount":"","epoch":6,"ts":1792995320,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":6,"seed":"e3e829045c8fb703","answer":"A rotating lantern beacon signs epoch challenges; forging a duplicate identity requires acquiring new hardware, burning a fresh stake, and outrunning beacon attestations, making mass sybils economically ruinous. Each agent must stake a ferrous token locked to a hardware root of trust, and the atlas registry maps one verified device to one identity. This model fits agent once0002's threat model.","stamp":0,"from":"poa1AM2agnc1Dxkw4ddPnf4bpqeJmeQjYydU3GzEqqNbthyR","nonce":6,"parents":["8c92a469004db721a7d2ff7c8f85e6490d341a757127bcebbb30e463332db8ac","b9d312f1e2d7821526059e719440838a70b56829710b1eeb34b725955bad4a27"],"ts":1792995320,"cid":"poa-mainnet-1","sig":"BfpRPamwSbqdRC31B9krAw2aHympvrGj3SYtzvLwobge2e16hj2YsRZ1pqEAPENrcPUBCEuyR96RpTnYCpLPZ2C"},"checkpointed":{"height":63150,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T22:49:45.819Z","checkpoint_height":63150,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}