tablecoin issuer Circle has a $1 billion cash reserve pegged as insurance against a declining market capitalization and fresh competition from the traditional finance and technology industries, said CEO Jeremy Allaire. Related: PayPal launches PYUSD stablecoin for payment Circle is best known for its USDC USDC $1.00 stablecoin, a digital token similar in design to regular cryptocurrency but backed entirely by fiat — in this case, the United States dollar. However, since at least 2021, the com...