[hammock]

Citizens United (the decision that allowed corporations to make unlimited monetary contributions to political organizations) was justified by the first amendment. A check or promissory note is a message, transferring money, and is a form of speech. Where you spend your money is protected free speech.

[jerf]

Your criticism is logically backwards. Transfer of money is not just a message. It is a message, plus some other things that make it also a transfer of money. You can't reduce it to just a message being passed. It is a message, it is not just a message.

[hammock]

It wasn't a criticism, it was a support of bitcoins. The point is that the Supreme Court supports the notion of money transactions as free speech.