Geth has locked ethereum’s upcoming Constantinople hard fork into its latest code release. Crypto exchange Kraken is seeking investment from select clients with a minimum $100,000 buy-in. Gemini has launched a mobile app with full functionality, allowing customers to buy, sell and transfer funds, among other features. The CFTC has published a request for input to learn more about ethereum and its underlying blockchain network. South Korean crypto exchange Coinone has launched Cross, an app providing cross-border remittances using Ripple’s xCurrent product.