NEW YORK (Reuters) - U.S.-based financial innovation start-up R3, along with 12 global banks, have completed the test of a cross-border payment system powered by blockchain technology and developed by financial technology company Ripple.<div><a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=yG1r5MvpRiI:sBDsu5SrxHU: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=yG1r5MvpRiI:sBDsu5SrxHU:V_sGLiPBpWU"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=yG1r5MvpRiI:sBDsu5SrxHU:V_sGLiPBpWU" border="0" /></a> <a href="http://feeds.reuters.com/~ff/reuters/technologyNews?a=yG1r5MvpRiI:sBDsu5SrxHU:-BTjWOF_DHI"><img src="http://feeds.feedburner.com/~ff/reuters/technologyNews?i=yG1r5MvpRiI:sBDsu5SrxHU:-BTjWOF_DHI" border="0" /></a></div><img src="http://feeds.feedburner.com/~r/reuters/technologyNews/~4/yG1r5MvpRiI" height="1" width="1" alt="" />