Blockdaemon provides blockchain infrastructure and node management services, helping businesses set up and manage blockchain nodes on various cloud platforms like AWS, Azure, and Google Cloud. They ensure that these nodes are secure, compliant, and highly available, catering to clients such as blockchain developers and financial institutions. Blockdaemon's business model includes charging for node deployment and management, along with offering monitoring systems and APIs for optimal performance and transaction validation. The company's goal is to deliver a comprehensive platform for blockchain node management.