The biggest bitcoin trust brought in a record $608 million last year - and most of it was from hedge funds

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· *Grayscale Investments had $608 million in inflows in 2019, more than the previous six years combined. *
· *It's the largest asset manager for digital currency such as bitcoin. *
· *Almost three-quarters of Grayscale's 2019 assets raised came from institutional investors like hedge funds, the company said. *
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