Tesla, the electric car company led by Elon Musk, has invested $1.5 billion in Bitcoin and plans to accept Bitcoin as a form of payment in the future. This news has led to a rise in the price of Bitcoin, which reached a new all-time high of over $44,000 per unit. Furthermore, other major companies like Mastercard and Bank of New York Mellon have announced that they will begin accepting and offering services related to cryptocurrencies, suggesting that cryptocurrencies are becoming an increasingly important part of the global economy.