Before hiring blockchain app developers in Brazil, it is crucial to have a well-defined preplan. This entails thorough research and evaluation of potential candidates and their expertise in blockchain technology. Considerations should include their experience with blockchain frameworks, proficiency in programming languages, and familiarity with smart contracts and decentralized applications. Additionally, understanding project requirements, establishing clear communication channels, and defining the scope of work are essential. A comprehensive preplan ensures a successful collaboration with skilled blockchain app developers in Brazil.