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Blockchain technology can construct a decentralised architecture design for diverse software applications. Nevertheless, the defects of on-chain algorithmic autonomy and subsequent tedious arguments for fixing the bugs raised concerns about whether blockchain can operate in a trustworthy way. Although multiple architectural patterns for blockchain governance have been summarised, concentrating on different governance dimensions (i.e., decision rights, incentives, and accountability), there is a need for guidance on the adoption of these patterns. In this paper, we present a set of decision models that can assist architects and developers in selecting appropriate patterns, to achieve governance in blockchain systems. This study provides a mapping between governance-related problems and each architectural pattern, and clarifies the trade-offs and conditions. The proposed decision models were evaluated …