On October 18, 2026 the US administration has to set how high the new tariffs against Russia will be. The law permits up to 500 percent; it prescribes not a single figure. The act behind that deadline is H.R. 5334, and it bundles sanctions, tariffs and prohibitions against Russia into one package. For you as a crypto investor, October 18 is neither a buy nor a sell signal but a date in the calendar: that is the day it is decided whether a sanctions act turns into a macro event or stays a narrowly drawn measure. This article explains what the law actually says, by what route Russia sanctions reach Bitcoin at all, and what you can check until then without touching a single position.