Nbminer 42.3挖矿内核更新如下：
etchash: 添加对 NiceHash ETC 池的支持。
Nbminer 42.3内核下载地址：
https://github.com/NebuTech/NBMiner/releases
https://ghproxy.com/https://github.com/NebuTech/NBMiner/releases/download/v42.3/NBMiner_42.3_Win.zip
更多挖矿原版内核，点击下面链接查看：
https://www.91wa.net/common-mining-software-kernel-download/
