@conference {2018:blockchain:europlop,
	title = {A Pattern Collection for Blockchain-based Applications},
	booktitle = {23rd European Conference on Pattern Languages of Programs (EuroPLoP)},
	year = {2018},
	month = {July},
	publisher = {ACM},
	organization = {ACM},
	address = {Kloster Irrsee, Germany},
	abstract = {Blockchain is an emerging technology that enables new forms of decentralized software architectures, where distributed components can reach agreements on shared system states without trusting a central integration point. Blockchain provides a shared infrastructure to execute programs, called smart contracts, and to store data. Since blockchains are at an early stage, there is a lack of a systematic and holistic view on designing software systems that use blockchain. We view blockchain as part of a bigger system, which requires patterns of using blockchain in the design of the bigger systems. In this paper, we collect a list of patterns for blockchain-based applications. The pattern collection is categorized into four types, including interaction with external world patterns, data management patterns, security patterns and contract structural patterns. Some patterns are designed specifically based on real-world blockchain-based applications considering the nature of blockchain. Others are variants of existing design patterns applied in the context of blockchain-based applications and smart contracts.},
	keywords = {blockchain, patterns},
	doi = {10.1145/3282308.3282312},
	url = {https://dl.acm.org/citation.cfm?id=3282312},
	author = {Xiwei Xu and Cesare Pautasso and Liming Zhu and Qinghua Lu and Ingo Weber}
}
@conference {2017:icsa:blockchain,
	title = {A Taxonomy of Blockchain-based Systems for Architecture Design},
	booktitle = {1st IEEE International Conference on Software Architecture (ICSA 2017)},
	year = {2017},
	month = {April},
	publisher = {IEEE},
	organization = {IEEE},
	address = {Gothenburg, Sweden},
	abstract = {Blockchain is an emerging technology for decentralised and transactional data sharing across a large network of untrusted participants. It enables new forms of distributed software architectures, where agreement on shared states can be established without trusting a central integration point. A major difficulty for architects designing applications based on blockchain is that the technology has many configurations and variants. Since blockchains are at an early stage, there is little product data or reliable technology evaluation available to compare different blockchains. In this paper, we propose how to classify and compare blockchains and blockchain-based systems to assist with the design and assessment of their impact on software architectures. Our taxonomy captures major architectural characteristics of blockchains and the impact of their principal design decisions. This taxonomy is intended to help with important architectural considerations about the performance and quality attributes of blockchain-based systems.},
	keywords = {blockchain, software architecture},
	author = {Xiwei Xu and Ingo Weber and Liming Zhu and Mark Staples and Jan Bosch and Len Bass and Cesare Pautasso and Paul Rimba}
}
