https://www.reuters.com/article/el-salvador-bitcoin/el-salvadors-world-first-adoption-of-bitcoin-endures-bumpy-first-day-idUSKBN2G308Z >SAN SALVADOR (Reuters) -El Salvador's historic adoption of bitcoin as legal tender on Tuesday was beset by teething problems, as an angry protest https://www.reuters.com/world/americas/salvador-street-protest-breaks-out-against-bitcoin-adoption-2021-09-07 by mistrustful citizens, technological glitches and a dip in the cryptocurrency clouded the rollout.