Tether (USDT) has emerged as the undisputed champion in protocol revenue generation within the decentralized finance (DeFi) ecosystem, according to data from DeFi Llama. Over the past year, Tether has raked in a colossal $5.26 billion in protocol revenue. Ethereum, the second-largest DeFi platform, trails significantly behind with $1.98 billion in revenue. Circle's USDC stablecoin takes third place with $1.39 billion in revenue, followed by Tron (TRX) and Solana (SOL) with $567 million and $359 million, respectively. Tether's dominance underscores its position as the leading stablecoin in the crypto market and highlights the growing importance of stablecoins within the DeFi ecosystem.