1. May 2010 In 2010, Laszlo Hanyecz agreed to pay 10,000 bitcoins for two pizzas. It was the most expensive pizza in history.
2. Jul 2010 Mt. Gox,was responsible for more than 70% of bitcoin transactions at its peak.
3. Feb 2011 Bitcoin takes parity with US dollar.
4. Oct 2011 The first alternative cryptocurrencies appear.
5. Jan 2012 Some companies began to apply and accept Bitcoin as a currency to pay for goods and services.
6. Nov 2012 Bitcoin rewards for mining go from 50 to 25 BTC per block.
7. Apr 2013 Shortly after the price of one Bitcoin reaches $200 for the first time, the price quickly begins to decline.
8. Feb 2014 The world’s largest Bitcoin exchange Mt.Gox went offline, and the owners of 850,000Bitcoins never saw them again.
9. Dec 2014 Microsoft begins accepting Bitcoin payments.
10. May 2015 Ross Ulbricht, the founder of the Silk Road, was sentenced to life imprisonment, signaling to the world that Bitcoin cannot be used for criminal purposes with impunity.
11. Jan 2016 The number of bitcin ATMs rises from around 500 at the beginning of the year to just under 900 by the end of the year.
12. Jul 2016 Bitcoin rewards for mining go from 25 to 12.5 BTC per block.
13. Sep 2017 Japan's Financial Services Agency(FSA) officially recognized 11 companies as registered cryptocurrency exchange operators.
14. Dec 2017 Banks including Barclays, Citi Bank, Deutsche Bankand BNP Paribas have said they are investigating ways they might be able to work with Bitcoin.
15. Sep 2018 BTC, BCH, BSV use SHA-256, which means that the same mining hardware can be used to generate hash power on them. This is what led to the "hash war" between BSV and BCH 16. Aug 2019 The national tax authority of New Zealand, the Inland Revenue Department, has published guidance for salaries and bonuses paid in crypto in August 2019.