I do not consider Putin to be a credible source.

Following the link to the RT article from June, I see this:

“The issue of creating an international reserve currency based on a basket of currencies of our countries is being worked out,” he said at the BRICS business forum.

BRICS developing new global reserve currency – Putin

https://www.rt.com/business/557627-brics-developing-global-reserve-currency

bitcoin

Russia And China Officially Announce A "New Global Reserve Currency"

cryptocoin

Following the link to the RT article from June, I see this:

> “The issue of creating an international reserve currency based on a basket of currencies of our countries is being worked out,” he said at the BRICS business forum.

*BRICS developing new global reserve currency – Putin*
https://www.rt.com/business/557627-brics-developing-global-reserve-currency