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
Gemini (digital currency exchange) excessively high volumes, a relatively common occurrence for any website receiving an unusual amount of traffic. On November 28, 2017, for example, both Gemini and Coinbase crashed for several hours. Gemini was showing a "504 gateway time-out" message, and the status page showed "Systems are currently experiencing degraded performance." Subsequently, the Gemini Blog offered this comment. "This is not the first scaling challenge we’ve encountered, and it won’t be the last. We’re continuing to improve our performance and infrastructure monitoring so we can anticipate potential problems more quickly in the future." Gemini (digital currency exchange) Gemini Trust Company, LLC (Gemini)