Abstract: In asynchronous public network, synchronous leaderless Byzantine consensus protocol operating with guaranteed safety and time-bound termination of individual protocol rounds is enabled with nodes having clustered architecture and highly available data transactions, and implemented with algorithm that defuses the effect of stop-faulty processes and bypasses the partitioned network links. Utilizing the time-bound consensus, a protocol and architecture for cross-chain transactions accomplish safe interoperability across blockchain networks. Multiple cross-chain transacting networks interconnected in a federation overcome the limitations of blockchain networks with monolithic ledgers in regard to transaction latency, scalability of throughput, volume of managed data, and openness for further interoperability.

Abstract: This invention is about engineering approach to development of transactional workflow applications and about ability of this way produced applications to concurrently process large number of workflow requests of identical type with high speed. It provides methods and articles of manufacture: for graphical development of fully executable workflow application; for producing configuration of class objects and threads with capacity for concurrent processing of multitude of requests of identical type for transactional workflow and for concurrent execution and synchronization of parallel workflow-activity sequences within processing of a workflow request; for application self-scaling up and self-scaling down of its processing capacity; and for real-time visualization of application's thread structures, thread quantity, thread usage, and scaling-enacted changes in threads structure and quantity.