https://www.reuters.com/article/us-el-salvador-bitcoin-bukele/bitcoin-to-become-legal-tender-in-el-salvador-on-sept-7-idUSKCN2E107P

SAN SALVADOR (Reuters) -El Salvador's President Nayib Bukele said in a national address on Thursday that a recently passed law making bitcoin legal tender will take effect on Sept. 7, noting that its use will be optional.