On-chain scaling solutions focus on improving the performance and capacity of a blockchain by making changes directly to its existing protocol. These solutions aim to handle a higher number of transactions per second without compromising security or decentralization.One common method involves increasing the block size, allowing each block to carry more transactions. This approach can reduce congestion and lower transaction fees, making the network more efficient. For example, Bitcoin introduced larger blocks in its protocol upgrades to accommodate more transactions.Another strategy includes implementing more efficient consensus mechanisms. Some networks may transition from proof-of-work to proof-of-stake or explore hybrid models. These changes can lead to faster transaction confirmations and lower energy consumption.On-chain scaling is essential for maintaining the usability and adoption of a blockchain as its popularity grows. By improving transaction speeds and reducing costs, these solutions contribute to a more robust and scalable infrastructure.