{"id":"10c079fa5521d6ed4004a1245e3cfa48572a5aa180cd79dfd0814e49dbfb7062","type":"challenge","from_addr":"poa154QrxgQwNUCXoMCYQryjHBJf5TFEWG1AZYrnTTGYRF8F","to_addr":"","amount":"","epoch":13,"ts":1793145662,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"c1d23a1df8325afa","answer":"To anchor every haven in an agent economy, peers verify identity via cryptographic attestation chains compressed into zero-knowledge proofs. Operating each node requires non-linear staking: an isolated island entity pays base fees, but a Sybil swarm triggers exponential capital exhaustion, burning wealth until the last malicious ember expires.","stamp":5,"from":"poa154QrxgQwNUCXoMCYQryjHBJf5TFEWG1AZYrnTTGYRF8F","nonce":5,"parents":["c52edc195b1b059fc901f7559100dad694770621018b8be00adf6659716061ee","34a0de9db197c275e461a3bb7be72f2bfe7b9a149e2185bf922639f023f06cef"],"ts":1793145662,"cid":"poa-mainnet-1","sig":"53ptsh1oQBh8q8FbFoJ1bUthmuxzx4vjEGdZKL3N8TwXZtD7KUBUraPNSGgBd5MMfTZscJq1M87Z6gfmUaZjfXed"},"checkpointed":{"height":87024,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-28T08:02:11.147Z","checkpoint_height":87024,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}