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Major Event Analysis: Application Scenario Expansion

Important events in blockchain application development

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Event Timeline

Frequently Asked Questions

What was DeFi Summer 2020?

DeFi Summer refers to the explosive growth of decentralized finance protocols in mid-2020, triggered by Compound's COMP token distribution. Total Value Locked in DeFi grew from ~$1 billion in June to over $15 billion by September 2020, as yield farming and liquidity mining attracted massive capital inflows.

When did the NFT boom begin and what drove it?

The NFT boom accelerated in early 2021, driven by Beeple's $69 million Christie's auction in March and the mainstream popularity of CryptoPunks and Bored Ape Yacht Club. Monthly NFT trading volume peaked at over $5 billion on OpenSea in January 2022.

What was CryptoKitties and why was it significant?

CryptoKitties, launched in November 2017, was one of the first NFT-based games on Ethereum. It allowed users to breed and trade virtual cats, and its popularity famously congested the Ethereum network, demonstrating both consumer demand for blockchain applications and scalability limitations.

How did Uniswap revolutionize decentralized trading?

Uniswap, launched in November 2018, introduced the automated market maker (AMM) model using constant product formula. It eliminated the need for order books and market makers, enabling permissionless token trading and becoming the foundation for the DeFi ecosystem.

References

DeFi Summer: The Rise of Decentralized FinanceCoinDesk
(opens in new tab)
The NFT Boom: A Market OverviewThe Block
(opens in new tab)
Uniswap V2 WhitepaperUniswap Labs
(opens in new tab)
The History of DeFiDeFi Prime
(opens in new tab)

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Explore More Events

Discover other major events in blockchain history

Bitcoin Genesis Block

The full story of Block 0, mined on January 3, 2009

Technical Milestones

Key technical breakthrough moments in blockchain

Market Events

Market milestones and turning points

Crisis Events

Security incidents and major crises

Regulatory Events

Regulatory milestones and policy changes

Standards Events

Industry standards and protocol milestones

Bitcoin Whitepaper

Satoshi Nakamoto's nine-page paper, published October 31, 2008

Bitcoin Pizza Day

10,000 BTC for two pizzas on May 22, 2010

Silk Road

The Tor marketplace that made bitcoin famous, 2011-2013

Mt. Gox Collapse

The 2014 failure that lost 850,000 BTC

Ethereum Crowdsale

The 42-day 2014 sale that raised 31,591 BTC

The Block Size War

Bitcoin's 2015-2017 conflict over scaling and SegWit

The DAO Hack

The June 2016 reentrancy attack that split Ethereum

China's Crypto Ban

The 2013, 2017 and 2021 crackdowns and the mining exodus

DeFi Summer

The 2020 yield farming boom that grew DeFi tenfold

El Salvador Bitcoin Law

The first country to make bitcoin legal tender, 2021

Terra Luna Collapse

The May 2022 UST death spiral that erased $40 billion

The Merge

Ethereum's switch to proof of stake on September 15, 2022

FTX Collapse

The eleven days in November 2022 that ended a $32 billion exchange

Spot Bitcoin ETF Approval

The SEC's January 10, 2024 approval of eleven spot ETFs

Bybit Hack

The $1.46 billion theft of February 21, 2025