Make it a safer bet to start new businesses.
An insurance company specializing in insuring initial small investments in startups.
Compete in who is making the most (and fastest) money without the authorities knowing who you are.
A private online club where participants – without disclosing their identity to others in the club – post regular updates on their financial state, how much they are worth, how much they make, and how they did it. The website is hosted offshore in a safe place. There can be a public facing website that shows the leaderboards.
If you travel to many places, you probably have many currencies put aside for your next trip. It would be good to get an alert when a particular banknote is being retired.
A service where you can choose which currencies to watch and receive alerts when there is a banknote being retired, so you can take measures.