| Summary: | New manufacturing paradigms require a large number of business interactions between multiple cyber-physical systems with different owners. In this context, public distributed ledgers are disruptive because they make it possible to securely and publicly record proofs of agreements between parties that do not necessarily trust each other. Many industry leaders have already achieved significant business benefits using this technology, including greater transparency, improved traceability, enhanced security, increased transaction speed and costs reduction. While the benefits of blockchain technologies for industrial applications are unquestionable, these technologies have an inherent complexity that might be overwhelming for many users. To decrease entry barriers for industry users to distributed ledger technologies, it is necessary to have an easy user onboarding process and a simple key life-cycle management. In this paper, we propose an architecture that facilitates these processes and simplifies how users utilize decentralized applications without sacrificing on the expected security. To achieve this goal, our architecture uses a middleware that allows us to decouple the digital signatures required for paying blockchain fees from the ones required for authorization. This approach has the advantage that users are not forced to create wallets, buy cryptocurrency, or protect their private keys. For these reasons, our solution is a promising way of enabling a reasonable transition to the integration of distributed ledger technologies in industrial business processes.
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