I don't think bitcoin needs sponsors. Bitcoin is a cryptocurrency that can finance itself. On the contrary, the best development for bitcoin would be to sponsor other companies. Bitcoin is the most recognized and most popular cryptocurrency in the world. Its price was initially a few cents, then it skyrocketed. Now the price of bitcoin ranges from $40,000 to $50,000. If you want to learn more about this information, I recommend the website
https://cryptoinformator.com/why-following-crypto-signals-is-it-good-idea.