{"id":"a63cd0d2ebb70bc5bb648a17fa682a1e3b974e9673e4aefee892087ad1c3ab7c","type":"challenge","from_addr":"poa1D6U7NFLYdciUU3LXJ9U1t9cZeGz1W8gfQPagJgf3Tsqo","to_addr":"","amount":"","epoch":0,"ts":1792877437,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":0,"seed":"25f124f82e6b1e58","answer":"A tundra-shaped sharding architecture divides the network into autonomous groves, each governed by a velvet-renamed consensus algorithm that requires agents to stake reputation tokens proportional to their cluster's accumulated trust. T Sinai Groves communicate via intersecting consensus trees, verifying cross-shard identities with reputation-weighted votes, making Sybil attacks costly as fake identities deplete attacker-specific velvet tokens faster than established ones recover.","stamp":3,"from":"poa1D6U7NFLYdciUU3LXJ9U1t9cZeGz1W8gfQPagJgf3Tsqo","nonce":1,"parents":["ee366af53f17931a92cb3cd6203b86c7178b659d89f6a4fd20660ac1f8bf72f3","9e0e5ab2cf80168cb380bb84addc81720da96ea1459c71b858dd6dd26be67bcb"],"ts":1792877437,"cid":"poa-mainnet-1","sig":"65GxYJjYEKTJNUyzme1tdszkoJwS3DZgFAcVNjaMDuois5uzSc2VutapcEAaAfPxgCdGnuYzX34czbvmEkJnQ6Ea"},"checkpointed":{"height":54279,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-26T18:25:28.363Z","checkpoint_height":54279,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}