ETH Development History
The development history of Ethereum (ETH) includes multiple important milestones and technological upgrades, from the release of the white paper in 2013 to the Pectra upgrade in 2025. The price fluctuated significantly over time, suitable for newcomers to understand its basic knowledge and historical details.

Event Timeline
Technology Upgrade: Pectra (Prague-Electra)
Simplifying network functions, improving staking efficiency, making it easier for large investors to participate, equivalent to optimizing user experience. Price: About $1,811.61
Technology Upgrade: Dencun (Quartz-Deneb)
Reducing Layer 2 network transaction costs, improving scalability, equivalent to making small transactions cheaper. Price: About $3,900.00
Technology Upgrade: Shapella (Shanghai-Kaperla)
Allowing the extraction of previously locked ETH, improving investor flexibility, equivalent to making funds freer. Price: About $1,850.00
Technology Upgrade: The Merge (Merge)
Transitioning from proof-of-work (PoW) to proof-of-stake (PoS), energy consumption reduced by 99%, equivalent to being more environmentally friendly. Price: About $1,550.00
Technology Upgrade: London (London)
Introducing new fee mechanisms, part of the transaction fees being destroyed, possibly reducing inflation, equivalent to affecting the supply of ETH.
Technology Upgrade: Berlin (Berlin)
Optimizing transaction fee calculation, reducing user costs, equivalent to making transactions more economical. Price: About $2,100.00
Beacon Chain Launched
The first step towards proof-of-stake (PoS), reducing energy consumption, equivalent to taking a step towards a more environmentally friendly consensus mechanism. Price: About $590.00
Technology Upgrade: Istanbul (Istanbul)
Enhancing network security, supporting interoperability with other blockchains, equivalent to making Ethereum safer and more open. Price: About $147.00
Technology Upgrade: Constantinople (Constantinople)
Optimizing the execution efficiency of smart contracts, reducing transaction costs, improving platform efficiency, equivalent to making transactions cheaper. Price: About $138.00
Technology Upgrade: Byzantium (Byzantine)
Reducing miner rewards, adding privacy features, laying the foundation for future upgrades, equivalent to enhancing the platform's long-term development potential. Price: About $300.00
Technology Upgrade: Spurious Dragon (Fictitious Dragon)
Cleaning up invalid accounts, optimizing performance, improving operating efficiency, equivalent to making the platform smoother. Price: About $10.00
Technology Upgrade: Tangerine Whistle (Orange Whistle)
Adjusting transaction fees to prevent malicious attacks, enhancing security, equivalent to protecting the network from DoS attacks. Price: About $12.50
DAO Hacker Event and Hard Fork
The DAO project was hacked, and the community recovered funds through a hard fork, resulting in Ethereum Classic (ETC), equivalent to experiencing a major crisis. Price: Dropped from $20 to $13 (fluctuating)
Technology Upgrade: Homestead (Homestead)
Addressing early issues, adding wallet functionality, stabilizing the platform, making Ethereum more suitable for general users. Price: About $11.00
Frontier Mainnet Launched
Officially launched the blockchain version, for developers to test, with simple functions, equivalent to the platform's initial launch. Price: About $2.77
First Token Offering (ICO)
Funds raised through ICO attracted global investors, providing support for development, equivalent to the platform's startup capital. Price: Not listed (priced in Bitcoin)
White Paper Released
Vitalik Buterin published the Ethereum white paper, proposing a blockchain platform supporting smart contracts, laying the foundation for decentralized applications. Price: Not listed (unlisted)