What does "Not your keys, NOT your Bitcoin" mean?

“Not your keys, not your bitcoins” is a saying that gets passed around a lot in the Bitcoin space.

It can be confusing if you don't know much about Bitcoin and how it all works. Don't worry you're not alone.

There is a lot of jargon and new terminology when it comes to bitcoin and there's also a lot of memes too.

I saw this tweet below recently and I tho…