USDC growth outpaces USDT in 2025 for a second year, rising 73% vs 36%

Circle's USDC expanded faster than Tether's USDT in 2025, marking a second straight year of outpacing its rival. USDC's market cap rose 73% to $75.12 billion, while USDT climbed 36% to $186.6 billion. Despite USDC's momentum, USDT remains the biggest by market cap and 24-hour volume.