Blockchain as a disruptive technology for business: A systematic review

•Blockchain research remains early-stage, in theory, methods, and empirical work.•We identify 8 different concepts of blockchain from 90% of studies that defined it.•Topics relating to blockchain: banking & finance, law, accounting, healthcare.•Benefits include trust-free, decentralized transactions, lower costs, and privacy.•Challenges include regulation, interoperability, scalability, security, and volatility.