MySingLink, based on their propreitory technology, has developed 2 broadly categorized Paperless Transaction Processing methods namely Wallet based and Card based. Wallet based method uses 'MSL Wallet' which is a free App available for iPhone, iPad, iPod, Anroid Phones and Tablets. Wallet based method is card less and uses SUDS (Single use Digital Signature) for Secured Transacntions or a Wallet Number, a unique number issued to each Consumer, for Unsecured Transactions whereas Card based method uses a card with a magnetic stripe (MySingleLink Card or Consumer Custom Card or Merchant Custom Card). Under Wallet Method a unique number called MSL Code is used to identify each transaction. To know more about MSL Code, please refer to 'How It Works'.

Wallet Method	Card Method
SUDS or Wallet Number	MySingleLink	Merchant Custom

To know more about these methods, please click on How It Works from the Main Page.
In this Document Card based metheod will be referred to as Card Method.

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