# 什么是区块链算力？

在通过“挖矿”得到比特币的过程中，我们需要找到其相应的解，而要找到其解，并没有固定算法，只能靠计算机随机的哈希碰撞。一台矿机每秒钟能做多少次哈希碰撞，就是其“算力”的代表，单位写成hash/s。算力可以简单的理解为计算能力。

目前主流的矿机为14T左右的计算量级，即一台矿机就能每秒做至少1.4\*10的13次方次哈希碰撞，我们可以说，这一台14T规格的矿机就有14T的算力。矿工所掌握的所有矿机占比特币全网总算力的百分比是多少，就代表在这10分钟竞争中能够获胜的概率就是多少。

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