Stablecoins now account for over 1% of US dollars in circulation, according to a16z's State of Crypto report. The report highlights that stablecoin transaction volumes have reached $9 trillion annually, with major institutions like BlackRock, Visa, JPMorgan Chase, and PayPal adopting them for efficient cross-border payments. Blockchain throughput has surged over 100-fold in five years, supporting more than 3,400 transactions per second. Tether’s USDT and Circle’s USDC are identified as leading stablecoins, holding reserves of $127 billion and $11 billion, respectively.