BTCMiner is an open source Bitcoin miner for ZTEX USB-FPGA Modules. The boards contain an interface for USB used for communication and programming without the need for a JTAG programmer. BTCMiner is a cloud-based mining software. If you have a Bitcoin wallet and address, the FPGA mining hardware, and an internet connection, then you can mine cryptocurrency on the software. If you're an experienced crypto miner, you definitely hear much about CGMIner, a popular multi-pool Bitcoin mining software with a wide range of best mining tools. The mining software is provided free and looks like one of the best ones for FPGA and ASIC mining. It may not be the best choice for beginners without technical and programming skills. At the same time, advanced folks can definitely appreciate this Bitcoin mining software as it is known for its efficiency and convenience.