[TFNA]

A number of European countries have allowed this; the 2010s were the heyday of this path. But it turns out that a lot of the people with big money to buy residence, got their money from organized crime, and it isn’t always easy to vet applicants (or corrupt officials could overlook the applicant’s background).

[consp]

The Maltese route is still open but a bit different since 2025. It's now citizenship by merit (aka the old by investment, since dumping money is considered a cultural contribution).

[tokai]

Malta is also famously corrupt and a safe haven for criminals.