A Bitcoin wallet dormant since 2011 moved 40 BTC worth $3.09M, logging a 2.5 million percent gain and complicating a $293B class-action lawsuit.

The parade of long-dormant Bitcoin wallets springing back to life is showing no signs of slowing, with at least four more now stirring.

A Bitcoin wallet dormant since 2011 moved 40 BTC worth $3.09M, logging a 2.5 million percent gain and complicating a $293B class-action lawsuit.