The Binance Go SDK by Jake Kalstad allows developers to integrate the Binance REST and WebSocket APIs into their Go applications. Currently, this SDK only covers XRP and BTC pairs, but more are coming in the future.
Mobile commerce is a huge business opportunity because, at least in the United States, there is not much infrastructure to support it. That's why mobile platform company Appcelerator recently announced its integration with the PayPal API. Now iPhone, Android and iPad developers using the paid version of the company's Titanium framework also get the ability to conduct mobile commerce.
Keycard is a new open source hardware project that utilizes near field communications (NFC) technology to secure and store cryptocurrencies. It looks like a credit card but uses NFC to authorize cyrpto transactions through mobile devices. Private wallet, messenger, and DeFi browser are included.