https://www.theguardian.com/world/2021/aug/30/scepticism-grows-in-el-salvador-over-pioneering-bitcoin-gamble > Country will be first to adopt cryptocurrency as legal tender next month – but economists are sounding warnings over risks > Litha María de Los Angeles slaps two cheese-filled pupusas – the El Salvadoran cornmeal flatbread – on the griddle. With a camera click on the QR code, she receives her payment: four hundred-thousandths of a Bitcoin. Then, as the rain pelts the corrugated iron roof and a gust of wind lifts the blue plastic table cloths, the power cuts out.