El Salvador, the only small Central American country that uses the virtual currency Bitcoin as legal tender, has purchased at least 1,391 pieces, but Bitcoin has been under pressure recently. As of last Friday (21st), the book has lost about 20 million US dollars (about 160 million Hong Kong dollars). In June last year, El Salvador’s Congress passed a proposal by President Nayib Bukele to make bitcoin legal tender, and on September 7 last year, it officially became the first country in the world to adopt bitcoin. The exchange rate of Bitcoin, like the US dollar, is freely determined by…