LONDON (Reuters) - A blockchain platform developed by a group that includes more than 70 of the world's biggest financial institutions is making its code publicly available, in what could become the industry standard for the nascent technology.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=06O-ibetlVY:fhv8uTGM-RY:yIl2AUoC8zA"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?d=yIl2AUoC8zA" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=06O-ibetlVY:fhv8uTGM-RY:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=06O-ibetlVY:fhv8uTGM-RY:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=06O-ibetlVY:fhv8uTGM-RY:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=06O-ibetlVY:fhv8uTGM-RY:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/06O-ibetlVY" height="1" width="1" alt="" />