This exploratory study discusses the advantages and potential of blockchain in human resources management. To complement the current knowledge about the multiple applications of blockchain technology in business, this paper conducted an interview with a blockchain expert, who showed how blockchain can be applied to business and particularly to human resources. Then, the authors describe a case study involving the application of blockchain in the human resources department of a company, discussing the business performance achieved with such implementation. The paper suggests that the adoption of blockchain in a human resources department results in a higher performance for business, considering the costs and time reduction with certain processes in the human resources department. The use of blockchain in human resources is part of the digital transformation movement in businesses and allows better agility to respond to fast market demands. This technology also allows better recruitment of new employees, which is mandatory to stand out in a competitive market.