Plaid is secure system used by many of the world’s largest and most reputable financial services firms including American Express, Venmo (part of PayPal), Fannie Mae and Acorns. Your login credentials simply permit the initiation of a flow of funds, in the amount of your choosing, from your account to our escrow agent in order for you to purchase shares.  We will never authorize or facilitate funds from your accounts without your express permission and authorization.