Are fuse boxes still legal?

Are fuse boxes still considered a viable and legal option for electrical wiring in modern homes and buildings? With the advancement of technology and the introduction of newer, more efficient electrical systems, it's understandable that there may be some confusion about the legality and safety of using fuse boxes. As a concerned homeowner or business owner, I'm curious to know if fuse boxes are still legal to use, and if not, what are the alternative options available for electrical wiring that meet current safety and regulatory standards?