Funding spies and dissidents has never been a challenge. The challenge is it's very difficult for them to spend more money than they officially earn without dra

Funding spies and dissidents has never been a challenge. The challenge is it's very difficult for them to spend more money than they officially earn without drawing the attention of their home government's counterintel operations. No currency can solve this because it isn't the transfer of currency that gives you away. It's the receipt of whatever you purchased.