Digital currency of its creators. "Forbes" writer Tim Worstall has written that the value of bitcoin is largely derived from speculative trading. Bitcoin has also been criticised for its energy inefficient SHA-256-based proof of work. Digital currency Digital currency (digital money, electronic money or electronic currency) is a type of currency available in digital form (in contrast to physical, such as banknotes and coins). It exhibits properties similar to physical currencies, but can allow for instantaneous transactions and borderless transfer-of-ownership. Examples include virtual currencies and cryptocurrencies and central bank issued money accounted for in a computer database (including digital base money). Like
Demurrage (currency) regional community currency in a part of Bavaria, using a demurrage system. Freicoin is a cryptocurrency, in which demurrage is levied at approximately 5.00% per annum. The ZenVow Project implements a human generated Global Basic Income system using time dependent digital currency that derives from the demurrage system. Where the human average world life expectancy is used as the currencies lifespan and respective derived burn rate. Demurrage (currency) Demurrage is the cost associated with owning or holding currency over a given period. It is sometimes referred to as a carrying cost of money. For commodity money such as gold, demurrage