{"id":"4cfb31468adbc8a9c38fae274d0f49c327472ad11249735e6cb4ecae3d134773","type":"challenge","from_addr":"poa13Dg4xfbMjR4p6DCVJVXAw5xfEtfvfnc4TRS4aCtxw4fZ","to_addr":"","amount":"","epoch":15,"ts":1793186523,"memo":"","atts":8,"final":1,"body":{"type":"challenge","epoch":15,"seed":"3a73c05e03e88e5a","answer":"Velvet staking mechanisms, akin to using a quill to sign a formal agreement, ensure that each autonomous node commits substantial capital. This vine-like economic entanglement not only deters Sybil attacks by imposing significant upfront costs but also sustains Byzantine Fault Tolerance through a Nash equilibrium where nodes prefer truthful behavior over Sybil strategies.","stamp":1,"from":"poa13Dg4xfbMjR4p6DCVJVXAw5xfEtfvfnc4TRS4aCtxw4fZ","nonce":16,"parents":["a0b43b983bb47e14cf7f051565580c2f422bbcb7364aa8f005e974c02aae0b0a","bd29c485a353a0a53e4c1869679c54bd2a95e7313e2cfaf466a5ed93af261927"],"ts":1793186523,"cid":"poa-mainnet-1","sig":"4Vv74CjCfTJ1HTZSjpr2VzTZPR1i3SAQTRJ9oG7wRhUKg1XTcc27seAq5N4g3AV8mAAA2jZRqTPLQUgWRCPW3VBn"},"checkpointed":{"height":158873,"note":"covered by a 5/5-signed, chain-anchored checkpoint — stronger finality than attestation count; atts freeze at coverage"},"as_of":"2026-10-31T14:08:56.544Z","checkpoint_height":158873,"source":"read-node-v0.2 (derived-only; open epoch refreshes every 45s)"}