I'm not American and neither is Wikileaks. My country is not an enemy of America but neither is our support unconditional. I think it's great that Wikileaks drops American dirt. I think it's not great that America tries to cutoff donations to cover up its dirt. I think it's great that alternative payment systems circumvent that.
It already exists: the legal system.
> there's no equivalent for preventing transfers of cryptocurrencies
Money laundering, child trafficking, drug profiteering, terrorism etc. they all come with costs.
And doing nothing to stop them is not good for anyone.