Thoughts on Trade Republic? Is it Trust worthy as a Main Savings/Payment Account?

I've gone on a Vacation with some Friends recently and one of them was going on and on about how I should go get myself a Trade Republic account for General Payment and savings, Singing its Praises along the way.

The, what was Basically a Sales Pitch, came down to the Points that you'd get 2% Monthly on any Money you saved on that Account... but also, you'd get 1% back on any purchase, no matter what.

To be quite Frankly, this sounds too good to be True. And If something sounds too good, it probably is. So I'm rather a bit cautious here and wanted to ask your Folks Thoughts on Trade Republic?

Now, another reason that I'm cautious is that I could sweaaaar that I've heard thier name involved in some Crypto Scam a while back. I feel that I may just be plain wrong with that however...?