Major Event Analysis: Market Milestone Events

Important events in blockchain market development

Frequently Asked Questions

What happened on Bitcoin Pizza Day?

On May 22, 2010, programmer Laszlo Hanyecz paid 10,000 BTC for two Papa John's pizzas, marking the first known real-world Bitcoin transaction. At Bitcoin's peak prices, those pizzas would be worth hundreds of millions of dollars, making it the most expensive pizza purchase in history.

What is a Bitcoin halving and when do they occur?

A Bitcoin halving reduces the block reward miners receive by 50%, occurring approximately every 210,000 blocks (~4 years). Halvings occurred in 2012, 2016, 2020, and 2024, reducing the reward from 50 BTC to 3.125 BTC. Each halving has historically preceded a major bull run.

When was the first spot Bitcoin ETF approved in the US?

The SEC approved the first US spot Bitcoin ETFs on January 10, 2024, including products from BlackRock (iShares Bitcoin Trust), Fidelity, and nine other issuers. This was a landmark event that brought Bitcoin into traditional investment portfolios and attracted billions in institutional capital.

What were the major Bitcoin bull runs?

Bitcoin has experienced major bull runs in 2013 (~$1,100 peak), 2017 (~$20,000 peak), 2021 (~$69,000 peak), and 2024-2025 (exceeding $100,000). Each cycle has been characterized by increasing institutional participation, mainstream media attention, and broader retail adoption.

How did El Salvador's Bitcoin adoption impact the market?

In September 2021, El Salvador became the first country to adopt Bitcoin as legal tender under President Nayib Bukele. While the move attracted global attention and tourism, it also drew criticism from the IMF and World Bank regarding financial stability risks.