Coinbase is a cryptocurrency exchange. Custody provides custody services for over 90 crypto assets, about half of which can be traded on Coinbase. In the fourth quarter of 2020, the value of assets held by Custody increased to around $90 billion. By 2021, the total value of all crypto assets had more than doubled to $780 billion. Bitcoin and Ether make up 83 percent of the cryptocurrency held by the US-based exchange in custodial.