Embedded in its physical form is proof of its authenticity. For this reason, various security devices have been woven into our currency to prevent forgeries. However, e-commerce transactions are usually not based on a digital cash concept. Digital signatures are powerless, for now, to stop the duplication of digital cash tokens, although they can be very useful in proving such duplication has taken place. At the end of the day good, old-fashioned integrity still counts.
Legal tender is self-certifying.
Embedded in its physical form is proof of its authenticity. For this reason, various security devices have been woven into our currency to prevent forgeries. However, e-commerce transactions are usually not based on a digital cash concept. Digital signatures are powerless, for now, to stop the duplication of digital cash tokens, although they can be very useful in proving such duplication has taken place. Therefore, like traditional cheques, e-commerce relies entirely on the integrity of the electronic interchange between banks.