Overstock’s security token platform tZERO is going full crypto.

Until now, security tokens had been the startup’s priority, but this summer, tZERO plans to launch its own mobile trading app for buying and selling bitcoin and, possibly, ether, CEO Saum Noursalehi told CoinDesk Thursday.

The app for IOS and Android devices is scheduled to launch in June and is being developed by Bitsy — a crypto startup in the portfolio of Overstock’s venture arm Medici Ventures.

“That’s part of the reason we acquired Bitsy — to accelerate time to market for our mobile app,” Noursalehi told CoinDesk, adding:

“They have an app for trading crypto, primarily bitcoin, in a beta-phase, they built a wallet and key recovery mechanism, and this will be the foundation of the mobile app for tZERO. They are also working on some cool stuff like biometric login.”

The app, he added, will allow users to hold custody of their crypto without relying on a third party, and will plug into a network of exchanges through tZERO’s partner, institutional trading platform SFox.

tZERO’s app will connect to SFox’s network of exchanges via its…