$USDC USDC (USD Coin) and USDT (Tether) are popular stablecoins pegged to the US dollar (1:1).

USDC is issued by Circle and is known for transparency and regular audits.

USDT is issued by Tether and is the most widely used stablecoin, though it has faced scrutiny over its reserves.

Both are used for trading, payments, and DeFi, offering stable value in the crypto market.