Confirming source here http://ec.europa.eu/economy_finance/euro/adoption/index_en.htm http://ec.europa.eu/economy_finance/euro/adoption/index_en.h... There's a

Confirming source here http://ec.europa.eu/economy_finance/euro/adoption/index_en.htm http://ec.europa.eu/economy_finance/euro/adoption/index_en.h... There's an interesting question around the fact that the UK has an opt out of the Euro.