This text is mainly about the
A problems with digital transactions and how people can protect themselves.
B companies that are hired to manage the purchases people make with bitcoin.
C reasons most people are not interested in using bitcoin or blockchain technology.
D growth of blockchain technology and its use in different businesses.
The correct answer is A: problems with digital transactions and how people can protect themselves.
Explanation: The text likely discusses the challenges that come with digital transactions, such as security risks or fraud, and offers advice on how individuals can safeguard themselves while using these technologies. It focuses on the issues rather than the technology itself or the interest level of users.