xmr-stak直接使用的话，有2%的开发者费用。下面是一些免费的方法：
I just compiled myself the last XMR-STAK version (2.3.0) with 0% dev donation for CPU and AMD GPU I just set donation to 0% in donate-level.hpp, nothing else.
Just download the last release from official github https://github.com/fireice-uk/xmr-stak/releases (The PoWs They Are a-Changin') and replace the xmr-stak.exe by this one :
http://s000.tinyupload.com/?file_id=59591148282057878357
相关连接：https://bitcointalk.org/index.php?topic=2512790.40