What Are Swap Lines?

Swap lines are the ability of that central bank the US to provide dollars to other central banks who will provide them to local financial institutions. The advantage if you're a receiver of dollars and you're a friend of the US is that those swap lines can be very important. China also has lots of swap lines around the region, the Asia region. It's building those swap lines but they're really being used in my view in a very different way. So whereas the US is using them in a more overtly political way to actually try and avoid or swap people defaulting on dollar borrowings,. In China's case what they're doing is the swap lines are much more about trade and the denomination