Today's blockchain and cryptocurrency news Bitcoin is up 1% at $9,352 XRP is up 2% at at 24 cents and Ethereum is up 2% at $181 Top gainers in the last 24 hours: Bytecoin up 34% Centrality up 18% NEM up 15% Ring is in the news this week for compromised security. Ethereum miners are holding on to their ethereum tokens which could be and indication of their confidence in the project. Google has reinstated Bitcoin Blast in the google play store. Kraken’s security team has shown that hackers can exploit Trezor hardware wallets in under 15 minutes.