On-chain lending has witnessed a significant surge as decentralized finance (DeFi) platforms gain traction. Powered by blockchain technology, on-chain lending eliminates intermediaries, enabling peer-to-peer loans with transparency and efficiency. The rise of stablecoins, improved security protocols, and high-yield opportunities have fueled its growth. Borrowers benefit from instant access to capital, while lenders earn competitive returns on idle assets. Protocols like Aave, Compound, and MakerDAO lead this space, driving innovation and adoption. Despite regulatory challenges and market volatility, the surge highlights a growing demand for decentralized financial solutions, reshaping traditional lending models and attracting both retail and institutional participants.