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What is Bitcoin?
3 Réponses
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It's a kind of digital currency.
https://en.m.wikipedia.org/wiki/Bitcoin
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bitcoin is a form of online currency like @Karl said. it is all held digitally by users, with no authority (bank/gov/etc) behind it.
here's a few websites for bitcoin:
https://bitcoin.org/en/faq
https://www.coindesk.com/information/what-is-bitcoin/
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https://goo.gl/6BoZe9