Royal Mint was historically part of a series of mints that became centralised to produce coins for the Kingdom of England, all of Great Britain and eventually most of the British Empire. The original London mint from which the Royal Mint is the successor, was established in 886 AD and operated within the Tower of London for approximately 800 years before moving to what is now called Royal Mint Court where it remained until the 1960s. As Britain followed the rest of the world in decimalising its currency, the Mint moved from London to a new plant in Llantrisant, Wales where it
Royal Mint was used to produce limited edition coins. In 2015, after nearly 50 years, the mint began producing its own line of bullion bars and coins under its revived "Royal Mint Refinery" brand. Then in 2016, the mint announced plans for Royal Mint Gold (RMG), a digital gold currency that uses blockchain to trade and invest in gold. Operated by CME Group, the technology is to be created by technology companies AlphaPoint and BitGo. The system currency which was due to launch in 2017 will be on the gold standard, whereby one RMG token equates to 1 gram of physical gold