https://www.reuters.com/article/us-elsalvador-bitcoin/factbox-pros-and-cons-for-el-salvador-the-first-bitcoin-nation-idUSKBN2G21JG >El Salvador will on Tuesday become the first country in the world to recognize bitcoin as legal tender, a move President Nayib Bukele says will save Salvadorans living abroad millions of dollars in commissions on money they send home.