The PT1 source code (also known as the Proton Transfer One) is the foundation of a decentralized, open-source platform that enables secure end-to-end encryption, authentication and permissioning of data and digital assets. The platform is best known for its ability to securely transfer and protect sensitive user data between two or more participants in a peer-to-peer decentralized manner. Originally created as a research project at the University of Edinburgh, the PT1 source code was released to the public in August 2018. The code aims to provide an autonomous decentralized framework for building applications, financial instruments, and digital services. By leveraging the offered secure data transfer infrastructure, developers can create applications that are not only secure but can also empower users to interact with one another without a third party intermediary. Moreover, the code written in the Go programming language allows developers to build decentralized applications in a more efficient way. Current applications leveraging PT1 source code include a range of payment and asset management services, remittance networks, and distributed energy networks. These applications focus on providing secure and low-cost platforms for transferring digital assets and data between peers, while maintaining a high degree of privacy. To ensure the security and scalability of the PT1 source code, the platform leverages a combination of cryptographic algorithms, distributed ledger technology, blockchain infrastructure, and tokenization to ensure the validity of data transfers. Moreover, the platform has built-in mechanisms such as Smart Contract and Escrow protocols, which allow users to transfer funds with confidence while ensuring that transactions remain secure and immutable. In conclusion, the PT1 source code provides an open, secure, and decentralized platform for developers to create reliable distributed applications. The code enables secure larger-scale public or private transfers of digital assets, allowing for advanced applications such as energy trading, asset management and payment services. Ultimately, the PT1 source code provides a decentralized infrastructure for users to perform reliable and secure operations without the need for a third party intermediary.