What is the Ethereum London Hard Fork

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The second-largest cryptocurrency Ethereum is ready for a new hard fork. If you are a crypto enthusiast, you must have heard about Ethereum 2.0 and the upcoming London hard fork. I will explain its importance to cryptocurrency investors in a simple way.

Ethereum London hard fork

London hard fork includes five Ethereum Improvement Proposals (EIPs), most notably EIP 1559 and EIP 3554, that aim to counter various inefficiencies.

EIP 1559 introduces a new fee structure to make Ethereum less inflationary. This protocol is decreasing miner revenue. And, EIP 3554 delays Ethereum’s difficulty bomb to Dec. 1. This mechanism will incrementally increase the difficulty of mining on the Ethereum network.

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Gas fees after the Ethereum London hard fork

The most significant change will be to transaction fees, including a new deflationary mechanism. Now, each block will have a fixed, associated fee. This change comes because of EIP 1559, included in the London update along with EIP 3238.

For example, if the Ethereum network fee is 30 Euro, sending 30 Euro worth of ETH is not worth it. These high fees make the network less attractive, especially for new investors. EIP-1559 proposes a new transaction pricing mechanism that will instead create a base fee for each block’s transaction fee. 

The base fee changes for each block depending on the demand. Moderate the volatility of base fees that will help bring more users into the ecosystem. 

ETH supply after the Ethereum London hard fork

Meanwhile, the blockchain will burn the fee and thus reduce the overall supply of ETH. This effect will create deflationary pressure on the ETH. In other words, the supply of ETH will become limited like Bitcoin’s supply. If a cryptocurrency supply is limited, the demand for it will grow over time, which may drive the price up.

The long-awaited London hard fork is likely to launch on Aug. 4, 2021, between 13:00 UTC (9 a.m. ET) and 17:00 UTC, with block 12,965,000.

In short, Ethereum is a smart-contract platform and the first mover in this field. The majority of decentralized applications (DApps) and DeFi tokens (decentralized finance) are built upon its network. Decreased “gas” fees increase the demand for ETH and affect its price.

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The Ethereum vocabulary

To understand the Ethereum London hard fork and the importance of this change, you should know some keyword definitions. They are blockchain, hard fork, Proof of Work (PoW), Proof of Stake (PoS), and gas fees.

What is blockchain?

Cryptocurrencies are related to blockchain technology. Some people say that the biggest importance of Bitcoin is the creation of a blockchain. Blockchain is a database that stores every transaction. Ethereum blockchain consists of thousands of computers. Each computer or group of computers that hold its blockchain is in a different geographic location. They are all operated by separate individuals or groups of people. Those people are called the Ethereum community. 

What is a hard fork?

If you want to make radical changes in the blockchain, you need a hard fork. A hard fork requires all nodes or users to upgrade to the latest version of the protocol software. If the community accepts the hard fork unanimously, the blockchain continues its way. However, sometimes not all developers accept the hard fork. In this situation, we get two blockchains, the old one and the new one. For example, this happened with Bitcoin, Bitcoin Cash, and Bitcoin Gold. 

Ethereum London hard fork, known as EIP 1559, will radically change the fee dynamics of Ethereum. It introduces a minimum fee to all on-chain transactions called the “base fee.”

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Proof of Work vs Proof of Stake

You must have heard about the Proof of Work. Proof of Work (PoW) is the mechanism that allows the decentralized cryptocurrency network to come to a consensus. I.e., agree on things like account balances and the order of transactions. This prevents Ethereum users from “double spending” their coins and ensures that the Ethereum chain is incredibly difficult to attack or overwrite.

What is Proof of Work (PoW)

I’ll explain the PoW logic by giving an example. Think about a big stadium. Maybe this stadium has 500,000 seats. Let’s suppose that one person hid a key behind one of the seats. In the PoW case, all miners try to find that key. Whoever finds that key gets the reward. This key allows the new block to be added to the blockchain.

However, PoW has some drawbacks. First, it consumes too much energy, which is terrible for the environment. Also, some mining pools could potentially dominate the mining game. This would lead to centralization and cause security risks.

What is Proof of Stake (PoS)

Ethereum is in the process of switching from PoW to PoS. Proof of Stake helps the decentralized network reach consensus securely. Proof-of-stake is the underlying mechanism that activates validators upon receiving enough stake from them. One key feature of the PoS is that it will not need to use a lot of energy.

For Ethereum, users need to stake 32 ETH to become a validator. Validators are chosen randomly to create blocks and are responsible for checking and confirming blocks they do not create. Validators earn rewards for proposing new blocks. If they attest to malicious blocks, they lose their stake.

What is a gas fee

When someone wants to transfer ether to another address, gas, gas limit concepts, and gas prices come to action. Those are necessary to send an ETH transaction. 

Theoretically, gas is a unit to measure the computational work of the transactions of smart contracts. Miners execute the trades at their own expense to keep the Ethereum network running. The gas prices or gas fees, or transaction fees mean the cost of Ether for every unit of gas needed to be paid.

If you want your transaction to go faster or your transfer is significant, you pay a bigger gas fee. 

What is Ethereum 2.0

Ethereum London hard fork will prepare the network’s evolution to what is called Ethereum 2.0. Eth2.0 will mark the complete transition from the Pow consensus model to PoS.

Currently, the Ethereum network can handle 15 to 45 transactions per second. According to Vitalik Buterin, one of the founders of Ethereum, when the blockchain finally transitions, 2.0 could eventually see the network speed up to around 100,000 transactions per second using sharing and other tactics.

Ethereum London hard fork & ETH price predictions

The Ethereum forecast from Digitalcoin predicts that the ETH price will average around $2,707 in 2021 and rise to $3,382 in 2022. Over the longer term, it projects that the price will climb to an average of $5,852 in 2025 and $8,488 in 2028.

Just before the London hard fork, Ethereum, for the first time, flipped (dominated) Bitcoin by the number of daily active addresses on its network. Ethereum registered over 750,00 active addresses as of the 2nd of July, 2021. That is some 50,000 more than Bitcoin.

Wall Street giant JPMorgan predicted Ethereum’s shift to proof-of-stake would spur crypto adoption. Moreover — the transition will help generate $40 billion worth of value by 2025. After the change, Ethereum could become the most prominent cryptocurrency.

what-is-ethereum-london-hard-fork

Ethereum upgrades: TL;DR

Ethereum is a smart contract platform that powers thousands of tokens and decentralized apps (dApps). Ethereum provides the infrastructure for all of them — but the network has become too clogged and cannot scale while transaction fees skyrocket. The Ethereum developers are upgrading the platform to make it scale, and the Ethereum London hard fork is part of this process.

What do you think about the Ethereum London hard fork? Do you believe the switch from Proof of Work to Proof of Stake will increase ETH prices? Tell us your thoughts in the comments.

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Gustavo Fiod
Gustavo Fiod
12/07/2021 18:17

ETH is in circulation because there are many miners receiving ETH and using it. If the process becomes unfeasible for miners, the coin price will drop and other GPU minable coins will appreciate. The example of what is already happening with ETC, ERG and RVN.

Valeriya Kushchuk
Admin
Valeriya Kushchuk
13/07/2021 12:16
Reply to  Gustavo Fiod

Good point, this factor also influences the ETH price predictions

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