The largest Bitcoin mining companies are steadily claiming greater dominance over Bitcoin’s network security, even though their stock performance this year might not suggest such success. JP Morgan analysts summed up the current state of the market in their “September ’24 Bitcoin Mining Halftime Report" published Monday, noting that publicly listed U.S. mining companies saw their piece of the network hash rate pie expand for the fifth straight month—to a record 26.7%. Hash rate measures the pace...