Let’s talk about the $BTC 100K defense battle, it’s the hottest topic between the bears and bulls right now. Of course, it’s definitely not retail investors defending 100K. The real support for $BTC mainly comes from ETFs, options, and exchanges. ETFs are basically the first line of defense. A lot of people don’t really understand how ETFs maintain $BTC’s price—it’s related to the arbitrage mechanism in traditional finance.