Turns out early this morning allies actually seized ("freezed") Central Bank of Russia (CBR) foreign currency held in EU, US banks. Reserve ratios of reported USD 643B value--domestic:external, currency basket--forfeiture risked as yet publicized, but notification out of UK is sufficient to trigger FX speculator short sale "attack", abrupt RUB devaluation, and explosion of civil disturbance in RU expected to depose Putin: to summarize alt-media hot takes and MSM triumph.

Russia Set for Currency Crisis as EU, US Limit Access to SWIFT, Freeze CBR Assets

There's really no other way to put it: the decision by the West to limit Russian banks' access to SWIFT and to freeze the assets of the Central Bank of Russia is equivalent to dropping a financial nuclear bomb on the Russian economy.
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NO LIFELINES LEFT

The Russian economy is now isolated globally, with only China serving as a potential lifeline. But even then, the Chinese government has prohibited state banks from financing purchases of Russian commodities, a sign that China itself is not looking favorably at recent developments.

EUR/RUB [ORANGE] & USD/RUB[BLUE] TECHNICAL ANALYSIS: WEEKLY PRICE CHART (FEBRUARY 2012 TO FEBRUARY 2022) (CHART 2)

Reports have emerged over the weekend that, in response to the West's sanctions, bank runs have begun in Russia (as expected). Queues at banks and ATMs are widely reported in both traditional and social media, with Russian citizens no longer able to obtain foreign currencies. Russia's Tinkoff Bank, the world's largest digital bank and Russia's second largest credit card issuer, was quoting EUR/RUB at 163.00 and USD/RUB at 153.00-171.00 - that's effectively a 100% increase from where the market closed on Friday.