Not financial advice. This is history and education only. We make no buy or sell recommendations and no price predictions.
2021Bitcoin in 2021
1 key event this year.
Here is what happened to Bitcoin in 2021, in date order, with the daily close from our price data where it covers the date.
First close of 2021$29,403Bitstamp BTC/USD daily close, 2021-01-01
Highest close$67,559Bitstamp BTC/USD daily close, 2021-11-08
Lowest close$29,403Bitstamp BTC/USD daily close, 2021-01-01
Last close of 2021$46,214Bitstamp BTC/USD daily close, 2021-12-31
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Source: Bitstamp BTC/USD daily closes 2011-08-18 to 2026-10-14. Fetched Oct 14, 2026 from free public APIs. Click a dot for the event and its price on that day.
Events in 2021
Taproot activates Nov 14, 2021
Taproot, defined in BIPs 340, 341 and 342, activated at block 709,632 on November 14, 2021. It added Schnorr signatures and made complex spending conditions cheaper and more private, because they can look like an ordinary payment on chain.
Updated
Sources
Facts written in our own words. Last checked Oct 14, 2026.