Eric Walker added Bitcoin, Libra (cryptocurrency) and Etherium and a number of links to Cryptocurrency, and added Cryptocurrency to Computers, Currencies and mediums of exchange and Blockchain
Eric Walker added Cryptocurrency and r/europe - Today is the 20th anniversary of the Euro. It became the world's second largest currency, it is used daily by 340 million people and by half a billion people as reference currency. to Currencies and mediums of exchange, and added Currencies and mediums of exchange to Finance, industry, economics and the economy
Eric Walker added a number of topics and a number of links to Finance, industry, economics and the economy, and added Finance, industry, economics and the economy to Society