>>>but it begs the question: where are these refugees with substantial wealth they are looking to exfiltrate? Typical refugees are emigrating from locales where they were earning dollars per day. The use case of shielding hoarded wealth during a journey to a freer locale is a blinkered fantasy.

African migrants trying to cross the US southern border, on the low end. Airfare from West Africa isn't cheap. In this article[1], one migrant says the trip had cost her $5,000. It takes some assets to pull that off, and some of that is probably kept on their person for the duration of the journey. A microSD card in a condom in a....sensitive location....is not likely to be detected if/when narco-smuggler cartels shake you down for cash.

At the high end....government kleptocrats fleeing Afghanistan. Supposedly President Ashraf Ghani and his family had to leave piles of cash because they couldn't carry it all when he boarded a helicopter.[2] Too bad they didn't convert to stablecoins and store them on a wallet on a thumb drive.

[1]https://www.reuters.com/article/us-usa-immigration-africa/u-...

[2]https://www.reuters.com/world/asia-pacific/russia-says-afgha...