In the past seven days, Bitcoin has fallen from $100,000, with $87,000 becoming the "bull-bear pivot point," currently attracting high attention from all investors. (Background: Bitcoin once fell below $90,000, down nearly 30% from this year's peak) (Additional context: Bernstein: A 25% pullback in Bitcoin does not mean the bull run has peaked; the fundamentals have not changed, resembling more of a phase adjustment) Bitcoin (Bitcoin) has fallen more than 30% from its October peak of $126,000, and global investors are closely watching the three key supports at $87,000, $79,000, and $74,000. Crypto analysis firm CryptoQuant's senior analyst Axel Adler Jr. warned that holding these levels is the fork in the road for bulls and bears. Key levels the market needs to