Browse Items (7 total)

  • Item Type: Technology
  • Tags: Currency: A Monetary Medium Connected China to the World

The full name of QR code is Quick Response Code. It was first designed in 1994 by Denso Wave, a Japanese subsidiary in the Toyota Group. It is a trademark for a type of matrix barcode which can store more information and support more datatypes than…
Item Type: Technology


Tokenization is a process of replacing sensitive data with non-sensitive data, so as to protect the information of cardholders, merchants and issuers during online payment. While the concept of tokenization has long existed since the first currency…
Item Type: Technology

After World War II, the magnetic storage appeared in 1950. Then in 1969, Forrest Parry, an IBM engineer invented the first magnetic stripe card. This is a kind of card that capable of storing data in a strip composed of iron particles in plastic…
Item Type: Technology

In 1890, an employee of the Expedition of Storing State Papers Ivan Orlov invented and developed a new printing method called “Orlov’s printing”. This technique makes possible reproduction of a surface or line that changes color without interruption…
Item Type: Technology

Intaglio is a kind of printing technique that is opposite to relief print. It incised image into a surface, then the incised line or sunken area holds the ink. Basically, intaglio processes include etching, engraving, drypoint, and mezzotint:

Item Type: Technology

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The industrial minting technology was introduced to coin manufacture by Matthew Boulton in Birmingham in 1788. At that time, he improved this minting technique by inventing a steam driven screw press. Such press applied air pressure to a piston,…
Item Type: Technology

The paper-making technology was invented by Cai Lun, an official attached to the Imperial court during the Han Dynasty in 105 AD. He used mulberry and other bast fibres along with fishnets, old rags, and hemp waste, to make paper in a 5-step…
Item Type: Technology
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