Today's cryptocurrency and blockchain news: Bitcoin is down 5% at $11,214 XRP is down 4% at 38 cents and Ethereum is down 1% at $292 Top gainers in the last 24 hours: Dogecoin up 41% and Komodo up 20% Venezuela Presdent Nicolas Maduro has ordered the Bank of Venezuela to accept the Petro. BTG Pactual of Brazil is partnering with Dalma Capital in Dubai to issue over $1 billion in security tokens Bank of Japan official implies that decline of cash is necessary step for widest crypto adoption. Scottish brewery BrewDog extends crowdfunding efforts into the crypto sector.