An illustration picture taken in London on May 8, 2022, shows gold plated souvenir cryptocurrency Tether (USDT), Bitcoin and Etherium coins arranged beside a screen displaying a trading chart. - Tether (USDT) is an Ethereum token known as a stablecoin that is pegged to the value of the US dollar, and is currently the largest stablecoin with a market value of USD 83 billion dollars. (Photo by Justin TALLIS / AFP)