A debit card may or may not have the debit card holder's name embossed on the debit card, but the debit card numbers are obligatory.
Role of the debit card numbers:
The debit card numbers embossed on the debit card is debit card specific and consumer specific. During the debit card transaction, more than the name of the debit card holder, the debit card numbers which are embossed on the debit card play an important role.
On entering the PIN(personal identification number), the terminal at the point of sale or any other terminal sends the debit card numbers to the debit card issuing bank for the verification and authentication of the debit card numbers.
Once the authenticity of the debit card numbers is proved and presence of sufficient balance in the debit cardholder's account is established the purchase amount is deducted from the debit cardholder's account instantly.
Precautions one should take in protecting the debit card numbers:
Debit card numbers and PIN (can also be referred to as ones electronic signature) number are a clue to ones account and subsequently the cash. There are few precautions which one must take in order to safeguard ones debit card numbers.