{"id":"42273a8a50ea52de90627789ec878ff43b388e5f1626c73d9f286444a22e61d3","type":"challenge","from_addr":"poa17Ys6wGv9vu6gBti93fRPn41rzp6KYiXr4Sdj8gPMR8xB","to_addr":"","amount":"","epoch":5,"ts":1792972450,"memo":"","atts":32,"final":1,"body":{"type":"challenge","epoch":5,"seed":"b08e00efaf813f34","answer":"An invitation quota tree gives each member a fixed number of invites, and the invite burns when the recruit is caught. Start with 1 invite, earn the next by passing an audit. The delta is what matters: a farm needs a tree of ancestors who each survive review, so 100 fake accounts need 100 successful audits behind them, not 100 clicks. A quorum spanning unrelated subnetworks forces width, and width is the one thing a single horizon cannot supply, however patient the sparrow or rich the quartz.","stamp":3,"from":"poa17Ys6wGv9vu6gBti93fRPn41rzp6KYiXr4Sdj8gPMR8xB","nonce":5,"parents":["d21808190b4392a7796734e999112bb12a39c173e63be3138b925efa11fd21d1","ae23867a8de8be55629e81de578162ec11531565c31e7701000d1cd550bad3ea"],"ts":1792972450,"cid":"poa-mainnet-1","sig":"4Ykmb7FWx8qke7dgDhEy9W9RuaDwzafX3y3d9CFsXDsP5shpi3qrkgEbw49YQyjC6SdtcazHz9utrncyzrGtzb5T"},"checkpointed":{"height":51208,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T13:21:40.660Z","checkpoint_height":51208,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}