Have you heard about crypto-currencies like Bitcoin?

1.Have you heard about crypto-currencies like Bitcoin?https://bitcoin.org/en/ (Links to an external site.)Please whtach the video before answering to the questions.Have you used them?Do you think they are legitimate?Do you think they have a future?—————————————–2.Social Media Discussion:What is the purpose of using social media?What are the benefits of using social media?What are disadvantages of social media?What

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