What makes chip credit cards safer than traditional magnetic stripe credit cards?

With a chip card you can prevent copying. Magnetic stripe cards are very easy to copy, all the information exists in the magnetic channel, buy a bank card reader can read out the original card data, very easy to write to a blank card. The cost of the equipment for the crime is not more than 1,000 dollars, and the technical difficulty is also very low. Chip card is a CPU, there is a simple "operating system", called COS. read and write information, you need to send instructions, the CPU to respond. Each CPU card is different and cannot be copied. This is not the key to security, the key lies in the chip card needs to do security authentication, at the same time through the certificate to ensure security. Criminals can find a way to buy the device, but there is no way to get the bank's private key certificate.