Bulgaria and the euro a stable ERM-II member for a minimum of two years. While Bulgaria has not formally joined the exchange rate mechanism, the ±15% floating band permitted within ERM II is less restrictive than Bulgaria's current strict peg of 1.95583 BGN to 1 EUR. The lev has been pegged to the euro since its launch, and prior to that was pegged on par to the German Mark. While the currency board which pegs Bulgaria to the euro has been seen as beneficial to the country fulfilling criteria so quickly, the ECB has pressured Bulgaria to drop it as it did not know
Gulden (digital currency) this currency came from Rijk Plasman with the first working implementation released on the 4th April 2014. Initially called the “Guldencoin”, this was subsequently abbreviated in October 2015 to “Gulden”. The name Gulden comes from the German and Dutch term for “gold coin” and is the Dutch name of the Dutch guilder, the pre-euro currency of the Netherlands. The Gulden currency can be mined which is a means of creating new Gulden by using software, quite often on specially designed computers. It can also be traded on a financial market or exchange in the same way as common commodities and