Once you have created your account you will be able to log into the secure Swappy marketplace with your credentials. To do so, locate the "My account" and "Connect" links located within the top navigation menu of the website.
Once selected you will be presented with the login form, simply enter your username and password and click on the connection button.
Note that you can link your Swappy account to your facebook account. This functionality must be activated within your profile page, once linked you can log in with your Facebook credentials. To unlink simply select the same link from your Swappy profile page.