Probably in North Korea. They have the best real-world tested security teams so they can be trusted with your money. Being from North Korea means you don't have to worry about all those western nanny-state regulations and oversight. Just buy their coins and become rich with zero risk...
In case this is an earnest question: the Lindy effect is your friend. Don't chase shiny new things. Stay away from new projects until they have a track record of 10 years or more. This simple rule would have saved people from Mt Gox, Luna, FTX, and every other fly-by-night disaster.