Don’t be Coinbase. Don’t crash your site.

I hated the Coinbase Super Bowl ad immediately. The last thing I want is for yet more people to be conned into buying into a Bitcoin pyramid scheme. I also thought, as I saw that colorful QR code bouncing around the screen like a screensaver from the 1990s, that this was going to blow up in the company’s face.I was right.Surojit Chatterjee, Coinbase’s chief product officer, said Coinbase had more than 20 million hits on its landing page in a minute. The company’s app also got