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
Digital gold currency Cheque, Money Order. Some exchangers also sell and fund pre-paid debit cards to make it easier for their clientele to convert DGC into an easily spendable form of national currency. DGCs are known as private currency as they are not issued by governments. Unlike the credit card industry, digital gold currency issuers generally do not have services to dispute or reverse charges. So, reversing transactions, even in case of a legitimate error, unauthorized use, or failure of a vendor to supply goods is difficult, if not impossible. This means that using digital gold currency is more akin to a cash