What is the fine-grained topic of the following text: The center will conduct research aimed at answering many of blockchain’s most pressing questions, including “how to scale the technology to billions of users; how to ensure that data is trustworthy and accurate while still keeping certain details private; and how to maintain high levels of security without using so much computing resources that the cost of electricity becomes a limiting factor for new applications,” the release states. Only return the topic.
Blockchain technology research