UPDATE 1-UK markets watchdog proposes retail ban on crypto derivatives <!-- no image --> <div>Britain's markets watchdog is proposing banning the sale of derivatives based on crypto-assets to retail consumers due to what it considers the prevalence of market abuses.<div class="feedflare"> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=CGkzlINW8TU:NLnL00v6D2s: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=CGkzlINW8TU:NLnL00v6D2s:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=CGkzlINW8TU:NLnL00v6D2s:V_sGLiPBpWU" border="0"></a> <a href="http://feeds.reuters.com/~ff/reuters/UKBankingFinancial?a=CGkzlINW8TU:NLnL00v6D2s:F7zBnMyn0Lo"><img src="http://feeds.feedburner.com/~ff/reuters/UKBankingFinancial?i=CGkzlINW8TU:NLnL00v6D2s:F7zBnMyn0Lo" border="0"></a> </div><img src="http://feeds.feedburner.com/~r/reuters/UKBankingFinancial/~4/CGkzlINW8TU" height="1" width="1" alt=""></div> Posted by Reuters