As a non-custodial service, we don't store seed phrases but with the help of this information, we are able to check the history of transactions and see how many of them have been performed through Blender Wallet.
Few days ago I asked a question in your topic if Blender service should now be considered unsafe, until funds are returned to customers and flaws fixed, but I still didn't receive any answer.
I will consider that not answering anything is a sign of confirmation.
Yes, right now our service is unsafe, therefore we closed it till October 2021. Right now we ware totally rewriting all infrastructure.