MonaCoin (MONA) is an open source peer-to-peer payment network. It was thrust into the limelight when it was featured on WBS TV Network Tokyo, which reported a man purchasing a plot of land in Nagano with MonaCoin. The idea of MonaCoin was conceived from a Japan-based bulletin board called 2-Channel (2?????) by a user who goes by the handle of 'Mr Watanabe'.
The approximate return on investment if purchased at the time of launch (or earliest known price)