回复：难度：活跃节点更多，还是节点更快？
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大家贴出的 VIA C7 硬件 SHA-256 性能数据并不惊人。只有约 1500 khash/s。仔细想想，仅仅因为它是在硬件中实现的，并不意味着它快得离谱。它仍然必须执行所有步骤。只有将它简化为单一用途硬件后，体积能小到足以大量并行放置，这才有意义。那不一定容易，也不是理所当然的。
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The performance numbers posted from a VIA C7's hardware SHA-256 weren't astronomical. Only in the 1500 khash/s range. If you think about it, just because it's implemented in hardware doesn't mean it's crazy fast. It still has to do all the steps. It's only if simplifying it down to single-purpose hardware makes it small enough to fit many in parallel. That's not necessarily easy or a given.