Sudoku Wallet - is a bitcoin tumbler, where you can mix your coins with CoinJoin and receive clean coins, which are not related to your identity.
Why it's not included to poll?
Why does it need to include to secure Bitcoin mixers? You can't even fix your SSL/security issue.

It means our bitcoin is not safe from that website.
And your website is new.
Domain:sudokuwallet.io
Registrar:NameCheap, Inc
Registered On:2019-10-23
Expires On:2020-10-23
Updated On:2019-12-22