$USDC
Stablecoins are an alternative means of storing and transferring value, and they are usually pegged to a fiat currency (or any relatively stable asset) using distributed ledger technology (DLT) solutions. The massive growth in the number and use of stablecoins, and their increasing potential for positive use cases, is attracting the attention of regulators, as evidenced by this recent quote from the U.S. Federal Reserve: "Last year, USD-pegged stablecoins traded on public blockchains saw tremendous growth, with the total circulating supply reaching nearly $130 billion as of September 2021 - an increase of over 500% from the previous year.