For tourists who are tired of watching ATM fees eat into their travel budget every time they need cash in Vietnam.

For tourists who are tired of hunting for ATMs in Vietnam, or watching fees eat into every withdrawal — here is what actually works instead.

For tourists who want to pay like a local in Vietnam but have no Vietnamese bank account — here is exactly how it works.

For tourists who want to pay at Vietnamese massage shops and spas without carrying cash or holding a local bank account.

Two people built Rounds because they lived through the dread of medical documents they couldn't understand. This is what it does, and why it matters.