ChainCatcher news, JPMorgan's latest research report shows that based on the current Bitcoin price, the potential value of the remaining 1.3 million Bitcoins to be mined is approximately $74 billion. The bank also lowered the target prices for CleanSpark (CLSK), Iren (IREN), Marathon Digital (MARA), and Riot Platforms (RIOT) to reflect the second-quarter performance as well as changes in Bitcoin prices and network hash rates.JPMorgan expects the block reward revenue opportunity over the next four years to be around $37 billion, a 19% decrease from early June, but an 85% increase year-on-year. The bank expressed a preference for Iren and Riot Platforms, believing that the recent poor performance of these stocks provides a buying opportunity for investors.