Following through on what was hinted at in its earnings call ten days ago, PayPal (PYPL) says all U.S. account holders are now eligible to buy, sell, and hold cryptocurrencies. At the time of the earnings call, just 10% of customers were able to transact in cryptos.Also, the weekly purchase limit has been upped to $20K. The limit was initially $10K, and then raised to $15K in early November.Currently, PayPal supports Bitcoin (BTC-USD), Ether (ETH-USD), Bitcoin Cash (BCH-USD), and Litecoin (LTC-USD).It's been a volatile session for crypto today, with most modestly lower at the moment. Bitcoin earlier topped $16K for the first time in about three years, but has slipped back to $15.92K.