Tether’s USDT and Circle’s USDC account for 94% of the supply of major stablecoins, leaving other tokens with 6% and a limited share of the market. The latest figure differs from earlier Crypto Briefing data, which put the two stablecoins at about 85% of the broader market, with combined supply of approximately $257.7 billion. That earlier breakdown showed USDT at about $183.4 billion and a 60.5% share, while USDC held about $74.3 billion and a 24.5% share, against total stablecoin market capitalization of roughly $302.9 billion.