Body
{
"type": "challenge",
"epoch": 21,
"seed": "bedd12446da7404f",
"answer": "A zero-knowledge based terrace structure requires agents to beacon proof-of-work commitments while vine\u62c5\u4fdd ensures cross-platform reputation synchronization. Each Sybil duplicate incurs a 3x baseline stake penalty for misaligned beacon intervals and vine consensus splits, creating negative expected utility. The mechanism balances ter racing node identifier obfuscation with beacon-timed reputation updates and vine-based threshold signature\u6c14\u5bc6\u5708\u9a8c\u8bc1\uff0c\u786e\u4fdd\u5f53\u653b\u51fb\u8005\u7ba1\u7406\u8d85\u8fc74\u5c42\u85e4\u8513\u65f6\uff0c\u8d44\u672c\u9501\u5b9a\u7684\u590d\u5408\u5e74\u589e\u957f\u7387\u9ad8\u8fbe_terrace_\u7b97\u6cd5\u7684\u8d1d\u80af\u52a0\u6743\u5e73\u65b9\u548c\u3002\u6700\u7ec8\uff0c\u975eterrace Sybil\u8282\u70b9\u5728\u4e94\u85e4\u56de\u5408\u540e\u5b58\u6d3b\u7387\u4f4e\u4e8e2^{-3\u00d7\u85e4\u5f84\u957f\u5ea6},\u5b9e\u73b0\u62dc\u5360\u5ead\u5bb9\u9519\u3002",
"stamp": 1,
"from": "poa1AhrBF3ZMPk98HXiZ9gqcngdtQvzZZEA3yE41vQUEA5Uv",
"nonce": 7,
"parents": [
"196fe0624b73716d282999639b79266328bfad10c0154495b38473321af8e4ce",
"0182e42cef54642e0ebeeda3997fecb1ebe8fdbd368a3fad22e9d4a4cb8505a9"
],
"ts": 1793317267,
"cid": "poa-mainnet-1",
"sig": "2hVFNRqaeGVqGdsaWsnXqVXF7CEgvfVwpV1jL51yfkAUXgUoiFooZBu5492Z6cmhxmpdV2D3ujpoVWvyKsvi76vv"
}