7. How is blockchain technology contributing to the disintermediation process?

a. Because of its role in the functioning of cryptocurrency markets

b. Traceability of changes in ownership and security of the decentralized system make some transactions (e.g., smart contracts) possible without the help of intermediaries

c. Because the storage of information is now decentralized as opposed to the banking system where information is centralized

d. All of the above contribute to the disintermediation process