Where do I buy ark other than bittrex? I dont want to give them

Where do I buy ark other than bittrex?
I dont want to give them my phone, address, real name etc.
Fake data doesn't work, they check against public records.
And no, you cant crypto->crypto without entering those details.
If you can, it just means your acc is old.

I dont want to leave traces on shitty exchanges. When I cash out, I want to be able to decide where I pay taxes.
If they give you their data, the IRS or whatever can knock on your door wanting all trade data.

I want to hold for as long as I want without being paranoid about IRS knowing.

My BTCs are mined from the early days, I have 20, so nobody can ever know I own them until I cash out.

I want to x10 them with altcoin tradings, and again, telling my data to some dodgy exchange is not on my plans.