Source code refers to the human-readable instructions that define how a cryptocurrency operates. It is written in programming languages and dictates everything from transaction processing to consensus mechanisms.Each cryptocurrency typically has an open-source model. This means that anyone can view, use, modify, and distribute the source code. This transparency fosters community trust and allows developers to collaborate on improvements and identify vulnerabilities.The source code is crucial for the functioning of blockchain technology. It determines how new blocks are created, how transactions are validated, and how users interact with the network. Developers utilize this code to build wallets, exchanges, and other applications that support the cryptocurrency ecosystem.Because source code is publicly accessible, it encourages innovation. Developers can create forks — alternative versions of an existing cryptocurrency — by modifying the original code. This has led to the emergence of numerous cryptocurrencies, each with unique features and functionalities. In summary, the source code is the foundation of a cryptocurrency, driving its operation and enabling a community of users and developers to engage with the technology.