Not to discourage further answers (and I'm happy to follow up on any questions), but it might be worth checking out the following answers I wrote to these questions:
[When the Soviet Union collapsed, what happened to the Communist Party and all their stuff?] (https://www.reddit.com/r/AskHistorians/comments/9640ua/when_the_soviet_union_collapsed_what_happened_to/e3yfcdx/)
[Today, the Russian Communist Party doesn't seem to have much power. How did Communists in Russia fare after the collapse of the USSR?] (https://www.reddit.com/r/AskHistorians/comments/m5m9tm/today_the_russian_communist_party_doesnt_seem_to/gr1wjhs/)