Do We Really Need Another Blockchain Framework? A Case for a Legacy-friendly Distributed Ledger Implementation based on Java EE Web Technologies

Creators: Brune, Philipp
Title: Do We Really Need Another Blockchain Framework? A Case for a Legacy-friendly Distributed Ledger Implementation based on Java EE Web Technologies
Item Type: Book Section
Page Range: pp. 301-306
Date: 20 September 2019
Divisions: Informationsmanagement
Abstract: Cryptocurrencies, blockchain technology and smart contracts could fundamentally change the way how financial products and financial services are implemented and operated. While many frameworks for implementing such blockchain applications already exist, these are usually implemented using languages either considered “fancy” today, like e.g. Go, or are traditionally used for system software, such as C++. On the other hand, the core business applications e.g. in financial services are typically implemented using enterprise platforms such as Java Enterprise Edition (EE) and/or COBOL. Therefore, to improve the integration of blockchain technology in such applications, in this paper we argue in favor of a legacy-friendly distributed ledger solution by introducing QWICSchain, an implementation build on web services using established open-source enterprise technologies such as Java EE and PostgreSQL. It supports the parallel execution of transactions on the blockchain and in existing legacy applications, thus enabling the blockchain-based modernization of existing IT infrastructures.
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Brune, Philipp (2019) Do We Really Need Another Blockchain Framework? A Case for a Legacy-friendly Distributed Ledger Implementation based on Java EE Web Technologies. In: Proceedings of the 15th International Conference on Web Information Systems and Technologies - Volume 1, WEBIST. SciTePress, Vienna, Austria, pp. 301-306. ISBN 978-989-758-386-5,

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