Bitcoin cash shares most of its code with bitcoin. But it is significantly faster at processing transactions.The cryptocurrency is having a moment: It surged more than 11% Thursday, and more than 300% this year, according to Coinbase. Here’s what you need to know about the bitcoin cousin that’s rapidly growing in popularity.What is bitcoin cash?Bitcoin cash was developed in 2017 as a split-off of bitcoin, known as a “fork” in crypto parlance, to solve some of bitcoin’s issues as it