imagine it this way
if there are 10 olympic runners each averaging a time of 9.5-10.5 seconds in a 100metre run.. only 1 can win
take one person off the track does not make the other runners run slower. it just means the chances of the 9 remaining runners winning increases. the average win is still the same average. but now 9 people get more wins when they run regularly
what does cause a speed up or slowdown. is if each of the runners are using more or less muscle(asics) then previous fortnight. meaning the average time over a fortnight has changed to be more or less then the needed average.
taking one competitor out of the race does not impact the speed of the other runners.
if one runner doesnt turn up. the other runners dont suddenly walk the 100m out of compassion for a lost competitor. the other runners still run at their same average speed. and now get a higher chance of winning per race
If Russian miners can not see blocks coming from the rest of the world and the world does not see Russia's, then does it not lead to forking?
I believe o_e_l_e_o meant something else. If you have 75% of the hashrate and I have 25% and suddenly we lose connection, the blocks continue on my side as if you disconnected and on your side as if I did. You still have a significantly higher hashrate than I do, which makes it easier to solve blocks for you than it is for me. Since to me it is way more difficult to solve blocks, by the time difficulty changes you will have mined more blocks than I did. The difficulty changes, so now your chain continues to be first although I do not see it yet. Now the question remains, do we continue sideways until we connect and my progress vanishes in front of your chain or do we fork? The safest and most logical way is the latter, unless the Russians want to play a Bitcoin Russian roulette.
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Regards,
PrivacyG