Bitcoin 's executive director Jon Smith told CNN people should only invest what they can lose . Gox CEO Mark Karpeles resigned from the Bitcoin Foundation 's board of directors on Sunday . His comments come after the meltdown of Mt Gox , one of the biggest financial exchanges . Smith says it is still very experimental , even though it 's very successful . Since its launch in 2009 , Bitcoin has fluctuated wildly in value .
Bitcoin 's executive director Jon Smith told CNN people should only invest what they can lose . His comments come after the meltdown of Mt Gox , one of the biggest financial exchanges . Smith says it is still very experimental , even though it 's very successful . Since its launch in 2009 , Bitcoin has fluctuated wildly in value .