Hi Vjatseslav, SafePal already supports Mozilla Firefox. Did you encounter any errors when using it? Would you mind going to the SafePal website https://www.safepal.com/sitemap and “Contact Customer Support” with relevant details? We'll do our best to help. Thanks for your cooperation.

Hi 映象, thanks for your support and feedback, kindly check this link https://github.com/SafePalWallet for information about SafePal product open source. If you need further help, please feel free to contact us at https://www.safepal.com/sitemap we will do our best to help!