Automated Payment and Contract Management in the Construction Industry by Integrating Building Information Modeling and Blockchain-Based Smart Contracts[J] APPLIED SCIENCES-BASEL 2021(11) Sigalov, Katharina Ye, Xuling Koenig, Markus Hagedorn, Philipp Blum, Florian Severin, Benedikt Hettmer, Michael Hueckinghaus, Philipp Woelkerling, Jens Gross, Dominik