A group of nearly 20 exchanges has released contingency plans in the event that the bitcoin network splits in two, creating two competing currencies.
The exchanges are now planning to list Bitcoin Unlimited (BU) as they would an alternative cryptocurrency, according to the statement. BU is an alternate implementation of the bitcoin software that seeks to expand the block size in an effort to scale the network's capacity.
More:
http://www.coindesk.com/bitcoin-exchanges-unveil-emergency-hard-fork-contingency-plan/
