—— 请按键盘 空白键 开始游戏 ——

If I meet you, after years, how can I congratulate you, with tears, with silence?
若我遇你,经年之后,我该如何贺你,以眼泪,以沉默。
The challenge of modern cryptography is not just to secure communication, but to do so in a way that is both efficient and scalable.