<div>UPDATE 1-Facebook's Libra must be 'rock solid' before launch warns BoE's Carney</div> <!-- no image --> <div>Facebook's proposed Libra digital coin must show it is "rock solid" before it can be allowed to launch, Bank of England Governor Mark Carney said on Thursday.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=kmvP1qwbcAg:mJFpcMvtGUU: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=kmvP1qwbcAg:mJFpcMvtGUU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=kmvP1qwbcAg:mJFpcMvtGUU:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=kmvP1qwbcAg:mJFpcMvtGUU:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=kmvP1qwbcAg:mJFpcMvtGUU:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/kmvP1qwbcAg" height="1" width="1" alt=""></div> Posted by Reuters