longest chain rule

Bitcoin's longest chain rule ensures all nodes eventually converge on the same canonical chain.比特币的最长链规则确保所有节点最终收敛到同一条规范链上。

The longest chain rule can be gamed by a miner with over 50% hash rate, which is the basis of a 51% attack.拥有超过 50% 算力的矿工可以利用最长链规则进行博弈，这也是 51% 攻击的基础。