Mastercard is reportedly in late-stage talks to buy blockchain startup ZeroHash for up to $2 billion, according to Fortune. You might not have heard of Zero Hash before, and that’s fine; it’s not really built for regular users. Zero Hash runs behind the scenes, helping other companies offer crypto features without having to build all the complicated tech or deal with regulations themselves. Think of it as a “crypto backend.” They handle everything from wallets and trading to stablecoins and compliance, wh ...