is the fintech subsidiary of, one of the largest ecommerce companies in the world. CEO Patrick Byrne launched in 2014 a few months after became the first major retailer to accept bitcoin as a form of payment. In 2015 made history when t0 technology was used to execute, clear, settle and unwind the first ever trade of a purely blockchain-based securities trade. Also in 2015,, a public company, received regulatory approval to issue shares entirely on blockchain technology.