It has been argued that in order for cryptocurrencies to serve as acceptable 'money' it has to serve all four of its main functions. These are:

	a.	Portability, divisibility, durability and acceptability
	b.	Vehicle for central banks monetary base, economic wealth creation, investment for firms and savings for households
	c.	Medium of exchange, unit of account, store of value, and standard of deferred payment
	d.	Providing liquidity, as a unit of value, facilitating savings and controlling prices

monetary base, economic wealth creation, investment for firms and savings for households c. Medium of exchange, unit of account, store of value, and standard of deferred payment d. Providing liquidity, as a unit of value, facilitating savings and controlling prices