Today's cryptocurrency and blockchain news Bitcoin is up 1.8% at $11,402 XRP is up slightly % at 38 cents and Ethereum is down half a % at $290 Top gainers in the last 24 hours: Populous up 35% Waltonchain up 27% Storj up 22% and Linkeye up 20% Euronext has invested €5 million in Tokeny Solutions Chinese financial news Sina Finance has debuted a cryptocurrency index. Monero patched a few security vulnerabilities with their most recent version. DogeCoin was up this week following a listing on Binance