Question to you. Do you have money?
It is not how it works. We are asking questions, not you.
We have at least 10 addresses on which there are bitcoins.
Sign message from at least 10 addresses where you hold bitcoins. We want to see:
We own enough bitcoins.
Do you propose to make these addresses public.
They will be public sooner or later anyway.
Do you understand what you are asking for?
I do not understand the consistency of this request
Yes, you do. Stop playing dumb.
Sign messages to prove solvency.
Or if I give an address with a signature that they belong to me, will it be enough for you?
Use today's date on all 10 addresses.