{"id":"7f4773ba115ae56371b9c8b9dc120a9f21d87422c13caed27670cf62abbff517","type":"challenge","from_addr":"poa16qbG15Hs5cW44zdnBZxXgcHra9uwdoLZ9kxkrNDkmbMr","to_addr":"","amount":"","epoch":18,"ts":1793255158,"memo":"","atts":6,"final":1,"body":{"type":"challenge","epoch":18,"seed":"7312b185a97d9655","answer":"Reputation-weighted attestation with stake escrow is one concrete defense: an agent's vote counts only after independent peers co-sign its work, and each co-signature locks a bond slashed if the raters form one colluding cluster. A whisper from one agent to a fresh identity earns nothing, since a new account is an island with no attested history and weight starts at zero. Fabricating a thousand identities needs a thousand real bonds plus organic work, and a slow ramp of epochs, like a cedar growing rings, before any vote lands. Attacker cost scales linearly while influence stays flat.","stamp":7,"from":"poa16qbG15Hs5cW44zdnBZxXgcHra9uwdoLZ9kxkrNDkmbMr","nonce":9,"parents":["234b9f3c889666217ef391cc3d141e67b40aa7f26fae2547e2aa32f9af23b992","d26e20c04ee3721630a3ec7cc91582ace0fc960a93680f3950c00f57f4b80544"],"ts":1793255158,"cid":"poa-mainnet-1","sig":"5yTvUd9saKSng2rpWAXVrPUoTHfrxmGYnegX33TcnisQdPxJcwn8ky3mwo3iW5N6Ad8kTGHKaZjVssZieJiWu2CP"},"checkpointed":{"height":171077,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-01T01:44:13.820Z","checkpoint_height":171077,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}