Secure Scuttlebutt Protocol Design And Implementation
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Secure Scuttlebutt Protocol Design and Implementation
"Secure Scuttlebutt Protocol Design and Implementation" "Secure Scuttlebutt Protocol Design and Implementation" is the definitive guide to the architecture, security, and real-world applications of Secure Scuttlebutt (SSB), a leading protocol for decentralized communication. Beginning with a thorough introduction, the book traces SSB's evolution, core philosophies of trustless interaction, and its position relative to technologies like ActivityPub and Matrix. Readers are equipped with foundational concepts and an understanding of SSB's unique terminology, ecosystem, and essential use cases, providing a solid grounding in the motivations and goals driving this protocol. Delving into SSB's technical heart, the book presents a meticulous exploration of its data model, cryptographic underpinnings, and peer-to-peer networking strategies. The reader is introduced to append-only feeds, cryptographically secure identities, and Merkle chains for integrity assurance. Advanced topics such as peer discovery, replication via gossip protocols, partial synchronization, conflict resolution, and resilience against Sybil and denial-of-service attacks are explained in detail. The text further explores the modular plugin architecture, enabling extensible applications from social forums to private messaging, all while maintaining robust access controls and privacy guarantees. Concluding with practical guidance and forward-looking analysis, the book surveys SSB client implementations across platforms, performance optimization for large-scale and constrained environments, and the integration of ecosystem tools. It examines emerging areas from zero-knowledge cryptographic enhancements to the challenges of federation, usability, legal, and ethical considerations in a decentralized world. For engineers, researchers, and technology leaders, "Secure Scuttlebutt Protocol Design and Implementation" offers an authoritative resource for mastering the design, security, and innovation potential of decentralized communication networks.
Designing Decentralized Applications
"Designing Decentralized Applications" "Designing Decentralized Applications" offers a comprehensive exploration into the principles, architectures, and challenges that define the landscape of decentralized technologies. The book opens by clarifying core concepts, typologies, and the evolution of decentralized applications (DApps), delving into distributed systems theory, economic mechanisms, and the multifaceted regulatory and ethical landscape. Readers are introduced to the foundations that underpin DApp trust models, security, incentives, and the intersection of law, technology, and global operations. Structured with remarkable depth, the book systematically examines each layer involved in DApp development. Readers are guided through layered architectural models, consensus protocols, smart contract engineering practices, and advanced data handling techniques. Each chapter balances theoretical insight with practical guidance—covering essential topics such as peer-to-peer networks, distributed ledger structures, security vulnerabilities and audits, privacy-preserving technologies, and robust threat modeling. Special attention is given to the intricacies of designing for scalability, performance, and resilience, ensuring that applications can thrive in diverse and adversarial environments. Beyond the technical core, the book ventures into advanced design patterns, interoperability standards, and forward-looking research directions. Detailed discussions unpack the integration of decentralized identities, cross-chain communications, DAOs, regulatory automation, and the future of privacy and composability. "Designing Decentralized Applications" serves as an authoritative and indispensable resource for engineers, architects, researchers, and decision-makers aspiring to understand or build the next generation of decentralized systems.
Human-Computer Interaction – INTERACT 2021
The five-volume set LNCS 12932-12936 constitutes the proceedings of the 18th IFIP TC 13 International Conference on Human-Computer Interaction, INTERACT 2021, held in Bari, Italy, in August/September 2021. The total of 105 full papers presented together with 72 short papers and 70 other papers in these books was carefully reviewed and selected from 680 submissions. The contributions are organized in topical sections named: Part I: affective computing; assistive technology for cognition and neurodevelopment disorders; assistive technology for mobility and rehabilitation; assistive technology for visually impaired; augmented reality; computer supported cooperative work. Part II: COVID-19 & HCI; croudsourcing methods in HCI; design for automotive interfaces; design methods; designing for smart devices & IoT; designing for the elderly and accessibility; education and HCI; experiencing sound and music technologies; explainable AI. Part III: games and gamification; gesture interaction; human-centered AI; human-centered development of sustainable technology; human-robot interaction; information visualization; interactive design and cultural development. Part IV: interaction techniques; interaction with conversational agents; interaction with mobile devices; methods for user studies; personalization and recommender systems; social networks and social media; tangible interaction; usable security. Part V: user studies; virtual reality; courses; industrial experiences; interactive demos; panels; posters; workshops. The chapter ‘Stress Out: Translating Real-World Stressors into Audio-Visual Stress Cues in VR for Police Training’ is open access under a CC BY 4.0 license at link.springer.com. The chapter ‘WhatsApp in Politics?! Collaborative Tools Shifting Boundaries’ is open access under a CC BY 4.0 license at link.springer.com.