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
Currency War of 2009–11 that with some countries deliberately devaluing their currencies other countries may retaliate thus causing a "trade war", and he urged Swann to alert "all of these other major countries to the very damaging implications of a currency war". During the IMF meeting there was disagreement based on conflicting views about how to sustain a recovery from the global recession. Countries led by the United States preferred flexible exchange rates, while others, led by China, resisted calls to appreciate their currency. The IMF meeting in Washington DC was inconclusive, as China rejected calls to allow rapid appreciation of its currency. Currency