# Ethereum POS Retrospective

**Published by:** [bluepoint](https://paragraph.com/@bluepoint/)
**Published on:** 2023-07-18
**URL:** https://paragraph.com/@bluepoint/ethereum-pos-retrospective

## Content

History of Ethereum & POSTIMELINE:Nov 2013: Whitepaper released by Vitalik ButerinApril 2014: Yellowpaper released by Gavin WoodJuly 2014: Ether ICO lasts 42 days July 2015: Frontier upgrade (difficulty bomb)March 2016: Homestead upgradeJuly 2016: Ethereum DAO hard fork (ETC forms)October 2016: Tangerine Whistle Fork (Fork Wars)November 2016: Spurious Dragon (Fork Wars)March 2017: Ethereum Enterprise Alliance (ETH becomes #2 crypto)October 2017: Byzantium hard fork (difficulty adjustment)October 2019: Constantinople upgradeDecember 2019: Istanbul upgradeJanuary 2020: Muir Glacier upgradeOctober 2020: Staking contract deployedDecember 2020: Beacon Chain Launched (proof-of-stake chain)April 2021: Berlin upgradeJune 2021: London Testnet launchAugust 2021: London Mainnet launch (EIP 1559)October 2021: Altair upgradeDecember 2021: Kintsugi Merge testnetMarch 2022: Kiln Merge TestnetQ2 2022: The MergeUPDATE: The Ethereum proof of stake merge occurred on September 15, 2022 at 2:42 a.m. EST.Arguments on POSWhen we review the Pros and Cons of POS, we can see that all the Cons are difficulties we have already overcome, and all the Pros are the right things we should continue to insist on. The story narrates a genuine account of performing the right thing despite its difficulty.How a difficult but correct thing happenEthereum POSAlso think about the delay of Elon Musk & Tesla, the right thing may always be difficult.ConclusionEthereum POS is great, and it makes Ethereum greater.Ethereum POS declaims the death of POW.Ethereum POS proves it’s greater than Bitcoin.Referencehttps://moneymade.io/learn/article/ethereum-merge-explainer https://www.reddit.com/r/ethereum/comments/o3swez/years_of_history_claiming_ethereum_will_go_to_pos/ https://ethereum.org/en/developers/docs/consensus-mechanisms/pos/ https://www.businessinsider.com/tesla-has-a-long-history-of-missing-its-targets-its-upcoming-model-3-may-not-be-any-different-2016-7

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