As an important pledged treasure in history, gold has assumed the important role of pledged lending in economic development, promoted the circulation of spot goods, and benefited economic development. More, it assumes the function of loan records, so yes, money is a huge database, which records the credit relationship between characters, so in general, Bitcoin is the best kind of money, it is easy to use, It is safe and reliable, free from third-party interference, and directly accessible from any region. It will be widely used in the future.