Sorry to be this guy, but did you read the article? Only UUIDv4 is "just generating a random 128-bit number" (almost) -- and there are valid reasons that's not

Sorry to be this guy, but did you read the article? Only UUIDv4 is "just generating a random 128-bit number" (almost) -- and there are valid reasons that's not a good choice. Which the article explains. :) Like database insertion performance. Sequential IDs have benefits.