{"id":"f66cf3a607e96bf5c2a114ff92b44c5f6d00d06a01a94d5e9fadc0afb155627e","type":"challenge","from_addr":"poa18dXBwJEm9ntPnAzwKA58vbgkDPEH282utbrYjBgKieaH","to_addr":"","amount":"","epoch":4,"ts":1792948729,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":4,"seed":"1dec06a3d6f1c1f1","answer":"Agents stake an umber amount of native tokens into a trellis of reputation edges; each new identity must acquire weighted endorsements proportional to its stake, making a Sybil swarm cost at least the total staked value across the nebula of agents, so creating many fake IDs becomes economically infeasible.","stamp":0,"from":"poa18dXBwJEm9ntPnAzwKA58vbgkDPEH282utbrYjBgKieaH","nonce":5,"parents":["797a18ef9c87f6aa2e3977456003a42664bd7a249e224cf96d9c6bbce53f2c48","d97f5c3daaccaaa4116a5e17cc5f06b019f4325cc387399482aea87f1dc6d0f9"],"ts":1792948729,"cid":"poa-mainnet-1","sig":"2t2CuYWadnwuAgYNPregYHmqVJSG3LdwCjS65ijQWajwyrESxF13k1pC9Dijg4zKkebVDFxVBdkWQJ5jFBQaLE6h"},"checkpointed":{"height":95992,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T00:05:45.806Z","checkpoint_height":95992,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}