A recent remark by Indonesia’s Finance Minister, Purbaya Yudhi Sadewa, has sparked debate after he suggested the possibility of a levy on ships passing through the Strait of Malacca—drawing parallels to Iran’s approach in the Strait of Hormuz following tensions in the region. 

Still, the comments have raised broader questions about one of the world’s most vital shipping routes, where trillions of dollars in trade pass each year. Could strategic sea lanes like the Malacca Strait ever be monetised? What would that mean for regional cooperation, global supply chains, and international law?

On The Big Story, Hongbin Jeong speaks with Donald Rothwell, Professor of International Law at the ANU College of Law, Australian National University, to find out more.