Today's blockchain and cryptocurrency news: Bitcoin is up 1% at $9,270 XRP is up 1% at 29 cents and Ethereum is up 1% at $183 Top gainers in the last 24 hours: Ignis up 25% Metal up 18% Bytom up 16% and Dentacoin, up 15% BitMEX has unintentionally revealed the email addresses of an unspecified amount of users. Data analytics firm Splunk raised $40,000 for charity from 10,000 attendees of their annual conference in Las Vegas. Telegram has released an early version of its desktop wallet for the in-progress GRAM token. Binance US is adding support for debit cards.