BklCoin (BKL) is an HRC20-based side chain created at a predetermined block height. With BklCoin (BKL), miners will begin using a new proof-of-work algorithm to create blocks, achieving some technological advancements in scalability while also providing replay protection and enhanced wallet functionality. As the main chain protocol evolves, it aims to establish a peer-to-peer electronic cash system that everyone can access and use, regardless of economic status or nationality.