Whether we realize it or not, we are feeling the impact of the pandemic, but before we go any further, if you mean by the crypto crash that means the most surprising period in 2021 is FTX.
FTX crash is in 2022, the last year, not in 2021.
The collapse of FTX: What went wrong with the crypto exchange?Bankruptcy of FTXTheir exchange
token FTT got its all time high 2 years ago, $85 on September 2021.
All-time high
Sep 09, 2021 (2 years ago) $85.02
All-time low
Jun 10, 2023 (5 months ago) $0.7763