CoinDesk (@CoinDesk): In 2017, Christian Langalis went viral for photo-bombing Janet Yellen with a sign that read "Buy Bitcoin".
Estimated coin impact
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In 2017, Christian Langalis went viral for photo-bombing Janet Yellen with a sign that read "Buy Bitcoin". Now he's auctioning it off to use the proceeds to fund his Bitcoin/Lightning/Urbit startup. trib.al/ORTLsb9