The more hashing power a hardware device has, the more combinations it can try each second! No one could steal your Bitcoin Cash unless you lost your hardware wallet. What is Bitcoin Cash mining? The proposed split included a plan to increase the number of transactions its ledger can process by increasing the block size limit to eight megabytes. Learning Centre. It is a highly reliable and proven piece of hardware that used to be the most popular in the industry. Just like your desktop computer or laptop device, the software is just as important as hardware.