'OK, I'll say it: bitcoin is a scam,' says the former CEO of PayPal and Intuit

Bitcoin has enjoyed a nice stretch lately, breaking through the $ 9,000 level on Tuesday and leading a broad advance in the crypto space, which has seen a $ 100-billion surge in market cap to $ 425 billion over the past week. So, Bill Harris, are you warming up to bitcoin as an investment? 'It's a colossal …
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