Joshua Hammer is a contributing writer to Smithsonian magazine and the author of several books, including The Bad-Ass Librarians of Timbuktu: And Their Race to Save the World's Most Precious ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Mace Dent Johnson Mace Dent Johnson is a writer on the kitchen team. To test ...

Blockchain expedites money transfers, especially cross-border, enhancing speed and reducing costs. Using blockchain in financial exchanges offers faster transactions and improved asset control.