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«Bitcoin Sign Guy » vend aux enchères son signe Bitcoin

Christian Langalis, dont le photobombing de Janet Yellen en 2017 est devenu un mème viral, utilisera les bénéfices pour financer sa startup Bitcoin/ Lightning / Urbit.

Christian Langlais holds up a "Buy Bitcoin" sign behind Federal Reserve Chair Janet Yellen at a House Financial Services Committee hearing in July 2017. (C-Span)
Christian Langlais (left, wearing seersucker) in July 2017. (C-Span)