Venmo, which is owned by PayPal (PYPL), said its more than 70 million customers can buy bitcoin, ethereum, litecoin and bitcoin cash for as little as $1.Cryptocurrency can often feel confusing and inaccessible to newbies, so Venmo will offer in-app guides and videos to help answer commonly asked questions and share information about the world of crypto.The payment company hopes that this new initiative “demystifies some of the common questions and misconceptions that consumers may have,” Darrell Esch, senior vice president