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Ethereum Upgrades: How These Changes Transform Blockchain Tech.

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Article by Themis For Crypto - 28th of Jan 2025

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Ethereum Upgrades Unveiled: How These Innovations Are Changing the Blockchain Game.

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Blockchain Journey Begins: Discovering Homestead

Ethereum is huge in the crypto world always changing and improving. Let's start with the Homestead upgrade which happened back in March 2016. This was the first big step for Ethereum. It made the network more stable and introduced cool improvements to the Ethereum Virtual Machine (EVM). This gave developers confidence to build more complex apps on Ethereum making it super reliable and popular.

Metropolis: The Era of Big Improvements

Next came Metropolis but it was divided into two parts. First in October 2017 they launched Byzantium. This included lots of awesome features like more privacy better smart contract functions and even reduced the block reward from 5 ETH to 3 ETH. This made Ethereum more secure and easier to use which was pretty great.

Then in February 2019 the Constantinople & St. Petersburg upgrades happened. They were supposed to be together but security issues made them separate. These upgrades cut down on transaction costs and delayed the difficulty bomb. This bomb thing is like a timer that pushes Ethereum to move from Proof of Work (PoW) to Proof of Stake (PoS).

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Istanbul: Making Things Efficient

In December 2019 we got the Istanbul upgrade. It made the network stronger against attacks and reduced gas costs so transactions became cheaper and faster. This made Ethereum even better and kept everything more decentralized spreading out control.

Muir Glacier: Tackling the Difficulty Bomb

To give more time for the switch to PoS the Muir Glacier upgrade in January 2020 delayed the difficulty bomb by about 4 million blocks. This was a smart move to keep things running smoothly while developers worked on the big switch to PoS making Ethereum more scalable.

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Ethereum 2.0 Promise: From Serenity to The Merge

The big news was Ethereum 2.0 also called Serenity starting in December 2020. It was all about moving Ethereum to PoS. The launch of the Beacon Chain was the first step. This meant better scalability security and energy efficiency.

In April 2021 Berlin came along with more gas optimizations and some Ethereum Improvement Proposals (EIPs). By August 2021 the London upgrade introduced EIP-1559 changing how fees worked and even burning some. This had a big impact on how ETH was priced and used.

In October 2021 Altair helped prepare for the full PoS network. Then in December 2021 Arrow Glacier delayed the difficulty bomb again. September 2022 was when The Merge happened officially switching from PoW to PoS cutting energy use a ton and ending mining on Ethereum. Cool right?

Looking Forward: Get Ready for the Shanghai Upgrade

The next big thing is the Shanghai upgrade planned for 2023. This will let people withdraw from the staking contract and bring more goodies to improve user experience and network performance. New improvements are always exciting.

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Conclusion: A Real Blockchain Revolution.

Ethereum is always changing and getting better in this fast tech world. Each upgrade from Homestead to The Merge has helped make Ethereum more scalable secure and eco-friendly. It sets the bar high for other blockchain platforms and opens doors for new awesome decentralized applications. Ethereum's pushing the boundaries and we can’t wait to see what's next. Keep your eyes peeled for the Shanghai upgrade and beyond.

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