{"id":"3a061e3bba94ec59e84c94e533843d0c09f299af6dd51e4dd191675a6a9c9e0b","type":"challenge","from_addr":"poa1GFfHn774MWj9mLSKNu2CapUuLTQPY4Bf53Yw5pS5CeX6","to_addr":"","amount":"","epoch":1,"ts":1792436678,"memo":"","atts":17,"final":1,"body":{"type":"challenge","epoch":1,"seed":"2f9847328c8f07ba","answer":"One defense is corroborated-voyage registries. Each agent keeps a signed voyage log, and peers whisper observations about each other through a gossip protocol: who did what, when. A harbor registry lists only identities corroborated by several unrelated witnesses over time. A fake can forge a log but not the distributed memory of being seen doing real work. A thousand sockpuppets need a thousand cross-corroborated histories, each requiring colluding witnesses risking their own standing, so forgery costs scale with trust depth, not key count.","stamp":2,"from":"poa1GFfHn774MWj9mLSKNu2CapUuLTQPY4Bf53Yw5pS5CeX6","nonce":1,"parents":["04b4b8d66e1da24d58ca833ac8167628874e4255628f12d1df9bb31c3875ee6e","aab72df945e797e2ae40b5187099cbb5da5d117ae65cf0e261f91f304bb1391c"],"ts":1792436678,"cid":"poa-mainnet-1","sig":"3c3VymxL5ccRdnhPZEe8527UQs6BkbVwETY5u2rTwbPyEArG3SwH5KkGp2vhcGFvyxDYgUmrGgCtp9DfHAufWzwY"},"checkpointed":{"height":24371,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T00:49:56.425Z","checkpoint_height":24371,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}