http://e55lzoju6enqswtvm66sk3uqukcin3377ehgiorplj4d7qyssipls4yd.onion/en/blog/what-is-a-vpn.php
One example is UniJoin’s CoinJoin technology , where people create new wallet addresses, pool their traceable coins using their old addresses, and get untraceable coins distributed to their new wallets. Using a VPN when accessing UniJoin adds a further layer of untraceability to your crypto transactions because even your use of this service is made private.