Today's blockchain and cryptocurrency news Bitcoin is up 4.7% at $10,493 XRP is up 1% at 31 cents and Ethereum is up 2.6% at $219 Top gainers in the last 24 hours: Bytecoin up 23% Zclassic up 17% and Byteball up 16% Walmart has filed a patent for a fiat-pegged stable coin that echoes the ghost of Facebook’s Libra project. The Brave browser’s BAT can now be used on Twitter to tip. Square is showing 125 million in reported bitcoin sales through the Cash App London based CEX.IO is now operational in 31 states and DC.