ArcBlock is a blockchain ecosystem for business-focused decentralized apps.
Their system architecture includes the Open Chain Access Protocol, an abstract layer that allows applications to work on different blockchain technologies; Brocklets, which are services and components either pre-built (such as their token services and user identity services) or user-developed; Decentralized Pub/Sub Gateways, enabling ArcBlock applications to run on various network protocols (such as a common browser);Show more [+] Marketplace and Token Economy which allows users to sell their developed components (such as brocklets or applications).
In a very unusual approach, ArcBlock nodes are cloud services, such as AWS and Windows Azure. It uses the Algorand-based consensus algorithm, a modified proof-of-stake algorithm.
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