https://www.reuters.com/article/us-el-salvador-bitcoin/exclusive-el-salvador-bitcoin-transfers-soar-but-still-a-fraction-of-dollar-remittances-idUSKCN2DQ1D6 >Small transfers of bitcoin to El Salvador jumped over four-fold in May from a year ago but still represent a small amount when compared to remittances sent in dollars, data shared with Reuters showed.