https://www.reuters.com/article/us-el-salvador-bitcoin-explainer/el-salvadors-bitcoin-push-what-does-it-mean-for-cryptocurrency-idUSKCN2DM1E1

El Salvador has become the first country in the world to adopt bitcoin as legal tender, with President Nayib Bukele touting its use for its potential to help Salvadorans living abroad to send remittances back home.