France-based blockchain solutions firm, The Blockchain Group, has purchased 580 BTC, marking its largest Bitcoin acquisition to date.The purchase was made through the company's Luxembourg-based subsidiary and was financed through a convertible bond issuance.The Blockchain Group now holds a total of 620 BTC, with a value of over $54 million.Corporate adoption of Bitcoin is expected to increase in 2025, with several companies and US states investing in BTC.