Brussels, 28/02/2002 (Agence Europe) - Two months after the introduction of coins and banknotes in euro, the euro became, in the night of Thursday to Friday, the only currency with legal tender throughout the euro zone. The European Central Bank (ECB) states that credit establishments will continue, for a certain time, to exchange national currencies for euro, but not always free of charge, contrary to national central banks. In addition, until 31 March 2002, it will be possible to exchange...