In its annual report to the U.S. Securities and Exchange Commission (SEC), PayPal (PYPL) stated that as of December 31, it held $604 million of Bitcoin (BTC), Bitcoin Cash (BCH), Ether (ETH), Litecoin (LTC), and other cryptocurrencies for its users. The two biggest cryptocurrencies by market value, which were split between $291 million in BTC and $250 million in ETH, accounted for nearly 90% of the total. LTC and BCH make up the remaining $63 million.