When you store your crypto on exchanges, you don’t control the private keys—meaning your funds aren't truly yours. The saying "Not your keys, not your crypto" emphasizes that you should take full ownership by moving your assets to a non-custodial wallet, where you hold the private keys. Keeping funds on exchanges comes with risks such as hacks, insolvency, or frozen accounts. For long-term storage, hardware wallets offer an offline solution, protecting your assets from these vulnerab...