Yet for Wu, and the rest of bitcoin’s online community, feelings of exhilaration have been replaced by apprehension over what could be the biggest hurdle to the cryptocurrency’s growth since its emergence in 2009. Because of a pre-programmed cap on the amount of data bitcoin’s network is allowed to process, the current system for verifying payments needs to boost its capacity, or transaction times will balloon and undermine bitcoin’s 4,475 percent advance over the past five years.
http://www.bloomberg.com/news/articles/2016-07-06/after-4-400-surge-bitcoin-s-fate-hinges-on-huge-chinese-miners