Over the past four decades, distributed security has undergone a remarkable transformation -- from crash-fault tolerant protocols designed for controlled environments to sophisticated Byzantine-resilient architectures operating in open, adversarial settings. This vision paper examines this evolution and argues for a fundamental shift in how we approach distributed security: from studying individual security properties in isolation to understanding their synergistic combinations. We begin by conclude four foundational properties, \textit{agreement, consistency, privacy, verifiability, accountability}. We trace their theoretical origins and practical maturation. We then demonstrate how the frontier of research now lies at the intersection of these properties, where their fusion creates capabilities that neither property could achieve alone. Looking forward, we identify critical research challenges: discovering new security properties driven by emerging applications, developing systematic frameworks for property convergence, managing the computational overhead of cryptographic primitives in high-performance consensus layers, and addressing post-quantum and human-factor challenges. The future of distributed security lies not in improving individual properties, but in understanding and harnessing their synergies to build a singular fabric of trust.

翻译：过去四十年间，分布式安全经历了显著变革——从为受控环境设计的崩溃容错协议，发展到在开放对抗环境中运行的复杂拜占庭弹性架构。本愿景论文审视了这一演进历程，并主张对分布式安全的研究方法进行根本性转变：从孤立研究单个安全属性转向理解其协同组合。我们首先凝练了四大基础属性：\textit{一致性、共识性、隐私性、可验证性与可问责性}，追溯其理论起源与实践演进。随后论证当前研究前沿正位于这些属性的交叉领域，其融合所产生的系统能力是任何单一属性无法实现的。展望未来，我们指出若干关键研究挑战：发掘新兴应用驱动的新型安全属性、建立属性融合的系统性框架、管理高性能共识层中密码学原语的计算开销，以及应对后量子时代与人因工程挑战。分布式安全的未来不在于改进孤立属性，而在于理解并驾驭其协同效应，以构建统一的信任基体。