Euro banknotes entered circulation on 23 September 2014. The full design of the Europa series 20 euro banknote was revealed on 24 February 2015, On 4 May 2016, the European Central Bank announced that the Europa series 500 euro banknote would not be released, due to fears of "facilitating the criminal activity". The old series will gradually be withdrawn. The ECB will announce "well in advance" when the old notes will lose their legal tender status. However, they will not lose their value and it will be possible to exchange them for new notes at Eurosystem central banks indefinitely. "A good design
20 euro note 20 euro note The twenty euro note (€20) is the third-lowest value euro banknote and has been used since the introduction of the euro (in its cash form) in 2002. The note is used in the 23 countries which have it as their sole currency (with 22 legally adopting it); with a population of about 343 million. In August 2018, there were approximately 3,845,000,000 twenty euro banknotes in circulation around the eurozone. It is the second most widely circulated denomination, accounting for over 17% of the total banknotes. Estimates suggest that the average life of a twenty euro banknote is