"It is a global debate, and I must confess that it is a topic [that I approach with] caution. In my case, there is caution because of how unfamiliar it is, and because it is hard to understand how this fortune materializes," he said, referring to how the value of Bitcoin has increased throughout the years. "Many people in the world have these concerns, and that is why the project, or the system, has not yet expanded [more than it has]. But it is something to consider," said the president.