Discuss the role of financial assets (instruments) in market economy and why they are important for successful functioning of the economy. Use shares, bonds, and mortgages as examples. A good answer should discuss how they help individuals, firms, and society at large?

Crypto currencies are a new type of financial instruments that are increasingly becoming popular. Elaborate that why and why not they are as reliable for investment as conventional assets such as shares and bonds. You may use bitcoin as an example and should research to display your knowledge.