SN-1336 已核对来源，附原文与上下文。
0.3.2 加了一些安全防护，把区块链锁定到当前时点，万一有人拿到 50%，也能限制一点损害。
0.3.2 has some security safeguards to lock in the block chain up to this point and limit the damage a little if someone gets 50%.
但如果有人握有 50% 以上的 CPU 算力且心怀恶意，他们能证明设计文档里已经写明的那件事。
But if someone has 50%+ of the CPU power and malicious intent, they can prove what it already says in the design document.
