According to CoinDesk, the Bank of America (BAC) research report pointed out that the blockchain and the applications running on it do have intrinsic value. Among them, Ethereum has generated about 3.9 billion US dollars in transaction fees this year, and the Bitcoin blockchain has so far this year. Incurred approximately $93 million in charges, compared to approximately $1 billion for all of last year. In addition, Bank of America stated that it is currently impossible to predict the cash flow of the blockchain, while for blockchains with strong user growth and development and clear use cases, cash flow in the form of transaction fees is expected to accelerate.