There are a number of accounts that now carry attached debit cards but which are not transaction accounts. While transaction accounts are the traditional ones for debit card issuance, modern economic realities mean they are now issued on a wide range of accounts that did not traditionally offer easy access to the deposited funds.
Delayed transactions are transactions made with a debit card that take place some time after they have been agreed to. There are a number of reasons for this sort of transaction.
A debit card is a charge on a bank account. This means that it can be used instead of cash for a deposit for a rented item.
If a person has lost their debit card and cancelled it then they will not be use their card again if they should find the debit card. There are good reasons for this.
Debit cards run off bank accounts. This means that they are reliant on the funds within the account, and if the funds are running low then there is the danger that the funds will not be sufficient for a transaction.