Ah, I saw your answer.

That’s the wallet in Primal. It’s a custodial wallet, which means you don’t actually own the bitcoin. You trust Strike (which is the company behind the wallet in Primal) to keep your btc save and give it to you, when you want it. Like a bank account in a way.

I consider it save for small amounts. But not for amounts that are life changing. For that you should use a hardware wallet.

Make sure though that nobody gets your private key. That’s the long mix of numbers and letters with nsec in the beginning. You need to keep that save and a secret.