[Vitalik Buterin Responds to Issues of Cryptographic Performance Optimization and Hardware Independence] Ethereum co-founder Vitalik Buterin recently addressed community concerns regarding cryptographic performance optimization and hardware independence, stating that performance metrics should be expressed in ratio form rather than simply as operations per second. In response to community doubts about how to narrow the performance gap between traditional computing and fully homomorphic encryption (FHE) without relying on expensive specialized hardware, Vitalik suggested using publicly available hardware. He further explained that after encryption, the geometric mean of the capital expenditure dollars per operation per second and joules per operation could serve as a reasonable first-pass metric for performance evaluation.