Exactly yeah and it was okay for me. But it was my main account. Maybe if it's a brand new account with the 500k and nothing before, maybe they will be suspicious. If it's your case, just use your main account since many years and transfer the 500k on it.
not since 6 months. I had the 500k in October I think on my Wise Account and I showed the 6 months bank statement and I've got approved anyway (application sent 27th January)