True or false and explain why:

a) A tax on the price of the bitcoin works as a substitute for an increase in the difficulty.

b) Counterparty anonymity in payments should not be allowed because it facilitates criminal activity, such as tax evasion, terrorist financing or money laundering.

c) Currently, 10 CBDCs have been fully launched around the world.

d) The top five countries using or owning crypto assets in 2020 were emerging market and developing economies, whereas the lowest adopters were generally advanced economies.

e) Federal securities and derivatives regulation provides the main regulatory framework for the regulation of cryptocurrencies in Canada.

f) Cryptocurrency mining can lead to higher electricity bills for local households and small businesses.