Mars only supports USD through ACH and wire transfers. Mars does not support checks, traveler’s checks, physical currency, or any other monetary instrument. Mars currently does not support the usage of cryptocurrencies.
To fund your account, you must link your bank account using Plaid by entering your username and password to your account. This information is not shared with Mars or its affiliate and is done exclusively through Plaid.
Plaid is a company that communicates with your bank to keep your login information private.