Bulgaria and the euro government, notably economy minister Petar Dimitrov, have speculated about unilaterally introducing the euro, which was not well-met by the European Commission. The lev is not part of ERM-II, but since the launch of the euro in 1999, it has been pegged to the euro at a fixed rate of €1 = BGN 1.95583 through a strictly managed currency board. In all of the three latest annual assessment reports, Bulgaria managed to comply with four out of the five economic convergence criteria for euro adoption, only failing to comply with the criteria requiring the currency of the state to have been
Currency relative values of the different currencies. Currencies in this sense are defined by governments, and each type has limited boundaries of acceptance. Other definitions of the term "currency" are discussed in their respective synonymous articles banknote, coin, and money. The latter definition, pertaining to the currency systems of nations, is the topic of this article. Currencies can be classified into two monetary systems: fiat money and commodity money, depending on what guarantees the value (the economy at large vs. the government's physical metal reserves). Some currencies are legal tender in certain political jurisdictions. Others are simply traded for their economic