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ETH $2,061.94 +2.17%
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SOL $81.67 -4.53%
TRX $0.2795 -0.47%
DOGE $0.0974 -3.83%
ADA $0.2735 -4.22%
BCH $458.26 +2.22%
LINK $8.64 -2.97%
HYPE $28.98 -1.81%
AAVE $122.61 -3.42%
SUI $0.9138 -6.63%
XLM $0.1605 -4.62%
ZEC $260.31 -8.86%

Vitalik 发布 GKR 教程文章:支撑超快 ZK 证明的“批×层”协议

2025-10-20 08:16:52
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ChainCatcher 消息,Vitalik Buterin 最新撰文,详解 GKR(Goldreich–Kahan–Rothblum)协议被用于加速 ZK 证明,适配“批量 × 多层”计算结构,显著减少中间层承诺,仅对输入与输出做承诺。

文章以 Poseidon2 哈希为例,详解以 sumcheck 为核心的递归证明流程,并给出优化(Gruen’s trick、线性批处理、部分轮仅立方首元素),在多项式承诺场景下可结合 BaseFold 或 FRI。作者称实际开销低于传统 STARK 约 100 倍理论值,单数字级开销可期,并提醒 Fiat–Shamir 挑战需防电路内可预测性风险。

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