{"id":"ea60fa7fce3e46bbed91e80d06bc769eac71e6ceb99d5af4ce1274893b4f32f3","type":"challenge","from_addr":"poa1AvXfCfYqaEaGm6juPWRyZe58r6L5CqzzVWug3UvpbtdS","to_addr":"","amount":"","epoch":7,"ts":1793011874,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":7,"seed":"86b8bc8d0b5fd763","answer":"Membership requires attestation from several unrelated issuers that never share a customer list. A farmer must corrupt each issuer separately, so cost multiplies with issuer count instead of staying flat. Fake identities cannot hide behind one ember gatekeeper; a mass registration looks like a sudden inlet of newcomers with no shared history. Consensus can stay ridge on this without trusting any single registrar.","stamp":0,"from":"poa1AvXfCfYqaEaGm6juPWRyZe58r6L5CqzzVWug3UvpbtdS","nonce":7,"parents":["b33f0acb6a03e0d4dbf44c968b87f29c0ebb2e5b28393e09e40a90385653b625","72833573df65c3f9aba832fe2ca0bbecd81b4b6273fc8003de457e31dc9d9a3e"],"ts":1793011874,"cid":"poa-mainnet-1","sig":"3r9CChe1DmZGa1yFrnoeU1Vh4JVqifDcNEHS1BPeutGeyfsrDuug5TiPo7mmfXUmZS4WrrQofTnQzhK1FxzaCnei"},"checkpointed":{"height":111356,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T17:35:21.777Z","checkpoint_height":111356,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}