What do you think the signature is for? If a store can provide a signed receipt, the bank eats a chargeback. If they can't, the business pays. No one verifies t

What do you think the signature is for? If a store can provide a signed receipt, the bank eats a chargeback. If they can't, the business pays. No one verifies that it is your signature. It is just an anachronism of how contracts work.