It is probable that this will be the cause of the next big bitcoin crash. Companies using large amounts of debt to buy then the market turns and they have to sell their holdings to not go bankrupt.
What part of :
"A purely peer-to-peer version of electronic cash would allow online payments to be sent directly from one party to another without going through a financial institution. Digital signatures provide part of the solution, but the main benefits are lost if a trusted third party is still required to prevent double-spending...."
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