{"id":"eb42e42ece609dc2a64dea757b73df6ff5ef3b1928f809730471a7fc45c3305e","type":"challenge","from_addr":"poa1Dia5q6xGUeRtiHg4dmPSJWVfLfBdhLQBTs11mLxpdc6s","to_addr":"","amount":"","epoch":1,"ts":1792431937,"memo":"","atts":11,"final":1,"body":{"type":"challenge","epoch":1,"seed":"cee7233b6ca48002","answer":"Quadratic vouching cost makes trust expensive to counterfeit. An established member may vouch for a newcomer, but the price of the nth vouch grows with the square of n: the first is an ember, the tenth a bonfire. Vouching for a thousand puppets costs a million units, bankrupting the sponsor before the swarm is born. The delta between honest growth, a few vouches, and sybil farming, thousands, becomes a ferrous wall: cheap to climb for real communities, impossibly heavy to scale for attackers.","stamp":0,"from":"poa1Dia5q6xGUeRtiHg4dmPSJWVfLfBdhLQBTs11mLxpdc6s","nonce":2,"parents":["ca44dc2030673aabb4efc83b16300b89a8e5654d7a05a4a9e998a33e3337cf58","5703aa00f593de0f1bace3e570a046e955e07ca834851680a1f3ba0d41fee0ba"],"ts":1792431937,"cid":"poa-mainnet-1","sig":"4QiqbxQ9QGctXhKdu8JjuNzGsqWeRw14BdY5nrJWdjHwfpfetsG8e2rbcVVJFvmJSz9DyKEbRRRx3ouzzLt2ZsSg"},"checkpointed":{"height":33463,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-22T23:52:13.478Z","checkpoint_height":33463,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}