You may not be into cryptocurrency, but a recent incident involving a so-called “cryptocurrency mixer” has some important implications for privacy and free speech. Today we’ll examine the relative anonymity of cryptocurrency transactions, tools that can be used to enhance that anonymity, and why the code that created these tools – and the services that might host them – must be protected under the First Amendment. Along the way, we’ll explore the limits of free speech in the US and some interesting attempts to capture those rights.

Kurt Opsahl is the Deputy Executive Director and General Counsel of the Electronic Frontier Foundation, the leading nonprofit defending digital privacy, free speech, and innovation.

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