Facebook spurred central banks to study digital currencies - former Japan c.banker <!-- no image --> <div>* Libra behind global c.bank competition to boost currency appeal<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wIu6LfZbC5Q:nUUi3YgJSRE:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?d=yIl2AUoC8zA" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wIu6LfZbC5Q:nUUi3YgJSRE:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=wIu6LfZbC5Q:nUUi3YgJSRE:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=wIu6LfZbC5Q:nUUi3YgJSRE:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=wIu6LfZbC5Q:nUUi3YgJSRE:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/wIu6LfZbC5Q" height="1" width="1" alt=""></div> Posted by Reuters