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 however by early October, Strauss-Kahn was warning that the risk of a currency war was real. He also suggested the IMF could help resolve the trade imbalances which could be the underlying casus belli for conflicts over currency valuations. Mr Strauss-Kahn said that using currencies as weapons "is not a solution [and] it can even lead to a very bad situation. There’s no domestic solution to a global problem." Daniel Tenengauzer, the head of emerging-market currency and rates strategy at Merrill Lynch, suggested talk of a currency war can be seen as "political posturing", noting that emerging economies had been