“Specifically, ZenGo creates QR codes which encode the address in a raw format (Trust wallet does it, too) that just specifies the address and nothing else.

The messaging feature is currently being rolled out to a small subset of users, including all Lens protocol users and anyone who scans a specific QR code provided by Coinbase.

In just one night, with the help of a 60-second spot that featured nothing more than a bouncing QR code, Coinbase shot up from #186 in the App Store to #2.

Wednesday, the head of security at ZenGo, a cryptocurrency wallet provider, tweeted out research showing that issues with QR codes generated by Coinbase.com's app had resulted in some users ...