Japan’s Currency Technology

News Desk: Japan’s currency, four banknotes, and six coins feature very sophisticated technology. Banknotes have lines inscribed so finely that 10 or more fit in a millimeter, with writing that’s visible only under a magnifying glass.

Coins are milled by a unique method to create angled grooves on their edges. All these technologies are very hard to counterfeit. A currency that can be trusted is the basis of a stable society, and the Japan Mint supplies coins to many other countries too. We examine some of the advanced technologies hidden in Japan’s currency.