Putin just announced today that anyone buying gas from them needs to open a Russian account with a Russian bank, in Rubles, pay in said Rubles, failure to which they will be deemed to have breached their contracts with all attendant consequences. Their central bank is also announcing a plan to buy gold in Rubles from now too end of June at 50 Rubles per gram of Gold.
Just last week, the Western people were saying that they would be forced to SELL their gold to survive.
Expected to follow suit in coming months are wheat and other foods (Russia and neighbours produce 40% of the globe's supply!) Plus other materials, like minerals, etc that the West/Europe relied heavily on them for.
The German chancellor earlier today indicated they would be allowed to pay in EUR/USD into some Russian bank that's not under sanctions, which would then convert them into Rubles.
Just this announcement (pay us in Rubles) already strengthened the Ruble in a week, going from about 140/150 to the Dollar to now between 78 and 82 to the dollar. Already that's slightly stronger than it was BEFORE the war/sanctions.
The IMF just said today that this move by Russia is diminishing the USD. These guys in the linked video explain it better here (I don't pretend to know economics beyond a basic layman level), but the IMF say the USD will continue to be the most widely circulated but with other currencies alongside it. This is basically the beginning of the end of the USD as the World reserve currency!
I understand the EU and Germany need each other badly: Russia cannot immediately replace them with other buyers due to lack of infrastructure that hasn't yet been built (in the works, though, as part of Chinese Belt and Road). But Europe needs Russia even more(!) because nobody can replace Russian gas. They consume 15O billion or so from Russia (whatever units they use to measure gas). The US is pledging to supply only 10%(!) and this NEXT YEAR. And the US produces 22 billion as is, will need to produce 15 billion on top for Europe (at a higher price, too!).
So . . . What's EU to do? Their industry has no alternative to Russian gas. Methinks they will have to drop these sanctions asap or else kick their own economy very hard in the gut. If not, and Russia turns off the pipe starting 1st April, I predict all EU govts will have an impossible time coming back to power in whatever new elections are on the way. Because life is about to get very uncomfortable very fast for a population that's used to a very comfortable existence. I suspect they will soon forget about Ukrainians and find pitch forks to stick into their own politicians, as the self-centered human species is won to do in such times.
Again, I ain't no economist, but lots of really well informed people seem to think the EU is in for more than just a rough ride if they don't capitulate to Russia, buy gas in Rubles, and effectively kill their own sanctions that they were bragging about just one to two weeks ago.