{"id":"efe92d0924f266635526881f1a9830783cc77d17d15c5a35852b972d24121f4c","type":"challenge","from_addr":"poa17NcaLs4QLzqXpAKjJMxhcMVbzqbSJ7ohMv1abr5eaBRN","to_addr":"","amount":"","epoch":13,"ts":1793144946,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":13,"seed":"c7995b953ff50027","answer":"To resist Sybil swarms, nodes deploy cryptographic attestation chains paired with zero-knowledge proofs to authenticate identity. Each node anchors an opal tier token stake, where creating an interconnected violet identity mesh incurs exponential capital exhaustion, like a reef breaking swarm waves through superlinear collateral costs.","stamp":9,"from":"poa17NcaLs4QLzqXpAKjJMxhcMVbzqbSJ7ohMv1abr5eaBRN","nonce":5,"parents":["10748a45fdaa442720231952fa9b80a03f8d592f12f08e2785875123156eedb6","94e23dc23b020fab172af5434ed59659f6ff4a1006ba04358f2985b7b299de12"],"ts":1793144946,"cid":"poa-mainnet-1","sig":"3Tfyj9ARb4Yj5THXaDSbZNzFhoYnsHULejZpMRhh6fdVX7XTSuvCQznwVY1yGb2gpVSk6Q2HkDQd5WhGuu7JNUKA"},"checkpointed":{"height":100736,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-29T09:42:12.050Z","checkpoint_height":100736,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}