Royal Mint resume minting their own supplementary tokens. In 1672 the Royal Mint finally took over the production of copper coinage. Prior to the outbreak of the English Civil War, England signed a treaty in 1630 with Spain which ensured a steady supply of silver bullion to the Tower mint. Additional branch mints to aid the one in London were set up including one at Aberystwyth Castle, in Wales. In 1642 parliament seized control of the Tower mint and after Charles I tried to arrest the Five Members he was forced to flee London, establishing at least 16 emergency mints across the
Royal Mint Gold Royal Mint Gold Royal Mint Gold is a digital gold currency and a cryptocurrency backed by gold reserves in the UK Royal Mint. The Royal Mint began testing blockchain transactions in April 2017. The first test transaction was in August 2017. The rollout was originally scheduled to occur by the end of 2017. US-based CME Group (Chicago Mercantile Exchange) is administering the trading. "The Daily Telegraph" said it "appears somewhat similar to an exchange-traded fund such as ETF Securities Physical Gold". The blockchain used is the Prova open-source distributed ledger. A proof-of-stake algorithm demonstrates ownership of the physical gold. BitGo