The Transactions on Blockchain Security and Scalability, published by Mantech Publications, is a peer-reviewed international journal dedicated to advancing research on secure, robust, and high-performance blockchain systems. The journal focuses on critical challenges such as consensus security, cryptographic protocols, scalability solutions, interoperability, and resilient decentralized architectures. It provides a scholarly platform for researchers, developers, and industry experts to present innovations that enhance trust, efficiency, and adoption of blockchain technologies. By publishing original research articles, experimental studies, technical reviews, and applied case analyses, the journal bridges theoretical foundations with real-world blockchain deployments. Committed to academic rigor, ethical publishing, and technological advancement, it aims to support the evolution of scalable, secure, and sustainable blockchain infrastructures for global digital ecosystems.