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Blockchain technology and cryptocurrency, though often used in conjunction, are not interchangeable entities. In fact, cryptocurrency could not exist without blockchain technology. Blockchain is, in simple terms, a public record of transactions. Though the exact individuals that comprise the transactions are encrypted, the public availability of the transaction makes it impossible to fake or alter the outcome, unlike, let’s say if you were trading stocks or <a href="https://rjofutures.rjobrien.com/introduction-to-futures-trading/who-trades-futures/" target="_blank">futures trading</a>. This secure, public ledger allows cryptocurrency to thrive because, though “online money” is not physically held, it cannot be faked or altered due to this system of checks.