Definitely the Terra and FTX collapse takes the cake for the most impactful event in the crypto market this year. Both will go down in history and will be remembered like how the OG's experienced Mt. Gox.
~ The next year will be even more fun, because a lot of questions arise with the regulation of the crypto market.
I'm not sure what Government action will be surprising in the coming years since we kinda have an idea as early as now. We've already been conditioned that there will be tighter regulations.