Alright, folks, listen close. This one's non-negotiable, the bedrock of crypto: 'Not your keys, not your coins.' It's not jargon, it's just pure truth.

Think of it like this: You put cash in a bank. It's *your* money, right? But the bank controls the vault. If the bank goes bust, good luck getting your cash back. Same with crypto on an exchange. They hold the "keys" – the secret codes to your digital safe.

When I was blowing up my $600 on ADA and DOGE futures, part of me assumed even if I *didn't* get liquidated, my remaining balance was safe. Then you see places like FTX go down. People had their SOL, their ADA there, thinking it was theirs. Overnight, poof. Gone. Because FTX held the keys, not them.

Your private key is your ownership. For anything you're not actively trading, get it...