# Advanced

<table data-view="cards"><thead><tr><th></th><th></th><th data-hidden></th></tr></thead><tbody><tr><td><mark style="color:blue;"><strong>Custom connection implementation</strong></mark></td><td>Make your own connection interface (available for integrators recognized by legal authorities)</td><td></td></tr><tr><td><mark style="color:blue;"><strong>End-to-end encryption</strong></mark></td><td>Ensure sensitive data confidentiality is guaranteed all the way</td><td></td></tr><tr><td><mark style="color:blue;"><strong>Response signature</strong></mark></td><td>Prove data integrity to a third party</td><td></td></tr></tbody></table>