The most practical approach would be a new currency used for trade in goods and services.
Trade transactions are at least an order of magnitude less than financial transactions such as currency swaps, derivatives of various kinds, repos, bonds, stocks, and other paper assets.
There is really no reason for the BRICS to replicate the entire dollar casino in order to do trade without US interference.
The most practical approach would be a new currency used for trade in goods and services.
^^This makes too much sense ^^