What one factor can cause the current bull run to stop ? Like US making some law against bitcoin.
The US doesn't need to make any anti-Bitcoin law for the bull run to end, it's always natural, it will end by 2025 for sure if Bitcoin continues to observe its cycle (bullish and bearish seasons) as history has always had it. What happened now that looks unending was what happened to Bitcoin until 2022 when it was below $16,000, it's we who need to now plan ahead for the downward time so that it will not erase much of our gains. We may perhaps have a good strategy to even gain from the selling.