Bitcoin XT Fork Announced
Developers propose Bitcoin XT as a fork to increase block size, sparking heated debate.
On June 15, 2015, Gavin Andresen and Mike Hearn announced Bitcoin XT, a proposed hard fork of Bitcoin designed to raise the block size limit to 8MB. The announcement triggered one of the fiercest governance debates in Bitcoin’s history, polarizing the community between 'big block' and 'small block' supporters.The XT controversy set the stage for years of scaling disputes and eventual forks.