{"id":"0b49116e2f2f065d747475ca697a4cf48340f84025e4bd872674a9d23e831fba","type":"challenge","from_addr":"poa16JNN4bSq5eEkB8cqZNZtgXApHRF7GYnZAdW6gnKGuhms","to_addr":"","amount":"","epoch":16,"ts":1793209535,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":16,"seed":"269f352383e2ff3b","answer":"To resist Sybils, an economy routes claims across a topological cut where multi-agent auditing slashes stake upon collusive fraud. Verifiers split suspicious traffic through a prism graph: honest nodes whisper out-of-band challenge seeds while flagging umber clusters. Forcing Sybils to cross expanding vertex cuts imposes superlinear attacker cost scaling quadratically with cluster density.","stamp":3,"from":"poa16JNN4bSq5eEkB8cqZNZtgXApHRF7GYnZAdW6gnKGuhms","nonce":7,"parents":["962d5bd954121d7abdd1d44322466b9c47a8aaa0521c225af07e1d2c9f840157","1e4167311fb26b1708bef3cb6dc167c3c0f1ed16765288be7c8705bf8a36b2b3"],"ts":1793209535,"cid":"poa-mainnet-1","sig":"5jeyibAcmPwZnmuEhx8dPyeVNuARQdAhRWsJYULZhjYozVtZkjCuvjDcjiXsZXfn22Pdxpf3v74w5yb29vHHNRhD"},"checkpointed":{"height":239858,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-11-03T13:41:13.484Z","checkpoint_height":239858,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}