In connection with the issuance of electronic passes to leave the house, more and more people began to wonder what a QR code is. Why not just say and write about a simple square with a barcode, because it is important for people to figure out if there is any threat from it.
Where did the QR code come from?
The full name stands for Quick Response Code - a quick response code. It is a trademark related to matrix 2D barcodes. These codes were developed for the needs of the Japanese auto industry back in the 1990s.
A special machine reads a barcode from a square - an optical mark. It stores information about the object to which the QR code is linked. To ensure that all this data is stored securely, 4 different encoding modes are used, including even the encoding in Chinese characters. Each such code has a different number of characters, the largest can hold up to 4300 characters.
A QR code is easier to read and stores more information than a regular barcode.
The popularity of the code came to it due to its ease of use and fast reading, as well as its capacity, which is higher than a standard barcode. In addition, a product with a QR code can be tracked, identified, it makes it possible to set the time, manage documents. As we can see, this black square has many opportunities, and all sorts of scammers really want to take advantage of this. You can decrypt the code using a smartphone and its camera, you only need an Internet connection.
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What's so terrible about him
The danger may not be the QR code itself, but what people will use it for in the future. Already today, not every code can be scanned, it can be dangerous. Since when reading a smartphone, it can easily pick up a virus. Each QR code may contain unnecessary information, but a link to a website infected with viruses, by clicking on which the smartphone, and with it the person's identity, becomes the prey of malefactors. Modern gadgets contain comprehensive information about their owner.
This is where the fun begins. Due to the quarantine introduced due to the coronavirus, the authorities of many countries thought about identifying each citizen who will have their own QR code as a pass. Such a code will allow you to find out about the identity of information, perhaps even facilitate the search for criminals. But people are very suspicious of this innovation. They do not want anyone to read information about them. After all, this digital control can be dangerous. And if initially the code was created to mark goods and obtain information about them, then transferring it to a living person seems strange and suspicious.
You just need to point your smartphone at the QR code and it will provide all the information about the product or documentation.
It is possible that in the future, each person will have their own QR code, where instead of the first and last name there will be a coded set of numbers. Anything is possible, the possibilities of technology are extremely vast.