📝 Executive Summary
Brendan Greeley explores the 500-year history of the US dollar, tracing its roots from Spanish pieces of eight to its modern role as the global reserve currency. The article examines how the dollar's status has evolved through wars, economic shifts, and geopolitical changes, offering a long-term perspective on its durability. Despite challenges from rival currencies and geopolitical realignments, the dollar's deep institutional foundations and network effects continue to underpin its dominance.