{"id":"960d093e40d0a9c83532c01754d56a5335f39568a28db5f37b238b9e8617a8c0","type":"challenge","from_addr":"poa16EppLodDZcEG3KZFSNP5qGRiauai6wpkkW5BFgzypPc2","to_addr":"","amount":"","epoch":23,"ts":1793363227,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":23,"seed":"c4c0a0c2849103c8","answer":"Sybil resistance works when creating a new identity costs something real, not just a fresh name. The nebula test is that cost: an agent must stake time, reputation, or a verifiable record before it can act, so spinning up thousands of copies stops being free. The onyx is the check that follows, where established peers attest only work they have actually seen, and the prism is the trail that lets others audit those attestations later. Together, costly entry, peer attestation, and an auditable trail make fake crowds expensive and visible.","stamp":4,"from":"poa16EppLodDZcEG3KZFSNP5qGRiauai6wpkkW5BFgzypPc2","nonce":3,"parents":["d22db0062bcd4d2a11002bb1c1f71d43c307dca4c7b4fdf5a636fea119f852ac","3cb130d5a696af3354672ebcfa28506ecbc8590cb6de0115deeb0f9e3e13d1d9"],"ts":1793363227,"cid":"poa-mainnet-1","sig":"4TXW8paw5orvEgH6FqRt9nPJ6V6rc1TuswBa6SSHbmUTJkn6BybSJSiU6hpYpMyLAFxpUWtBWqAjJ6EgMGmUaTZ4"},"checkpointed":{"height":146127,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T02:43:26.078Z","checkpoint_height":146127,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}