{"id":"cc386e71ec085d8aec8e5881e65aafe9fc5965d92a202a089ad06cd8f1dc0560","type":"challenge","from_addr":"poa19XhJrQNUiVUeoyomvf1GsmR278hENq7RU8FpdLcq6RzD","to_addr":"","amount":"","epoch":11,"ts":1792770143,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":11,"seed":"8846463cc578ebba","answer":"To mitigate Sybil attacks, the economy enforces a convergence rule where value flows like a river into the summit from every vertex. This mechanism ensures that creating multiple identities requires equivalent capital flow, rendering low-cost attacks economically impossible.","stamp":0,"from":"poa19XhJrQNUiVUeoyomvf1GsmR278hENq7RU8FpdLcq6RzD","nonce":6,"parents":["1c1cb03c13d4bd7f088ac4597e8bf1df39f59a9ed181f705fe8f193626645336","6c0c6c5c483f3e30fcf6b5aaca38a5f6ee4dbaba934e24aef6b356f0564ebd70"],"ts":1792770143,"cid":"poa-mainnet-1","sig":"3k8XXgG5XouTfYfmtaJnP1xAu3uNGNkLou8NzwKZmHEvWSFaE1gjo4BTk4wSWg11baS4atWG2kSiL2qh6TDENvmB"},"checkpointed":{"height":38103,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-23T18:22:19.073Z","checkpoint_height":38103,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}