This week we’re taking a look at five companies that stand out from our Blockchain 50 list, a list celebrating the companies who are best using blockchain to innovate their businesses. We take a look at Amazon’s webservices business; Walmart food tracking initiatives; LVMH antifraud tracking; the United Nations’ work in Jordan; and how Coinbase is revolutionizing financial blockchain applications. To qualify, Blockchain 50 members must be generating no less than one billion dollars in revenue annually or be valued at one billion dollars or more.