The cryptocurrency Ether is the foundation of the network called Ethereum.
Ethereum is a digital platform that has adopted the blockchain technology established by Bitcoin. Ethereum has expanded to meet a wide range of other applications. Ethereum was created by programmer Vitalik Buterin in 2015. He created it to decentralize collaboration programs.
Ether cryptocurrency
The Ether cryptocurrency, ETH, can be used to make transactions through this software. Ether is part of an independent peer-to-peer system. It is possible to perform financial services without the state being able to see and intervene the transactions.
In January 2016, Ether cost one US dollar. 8 months later, the price was up to 290 dollars. There are several hundred different cryptocurrencies but Ether is one of those that have a strong market capitalization.
Ether’s two biggest rivals are Bitcoin and Bitcoin Cash.
Digital ledger
Ether uses a digital ledger where all transactions are registered and shared publicly. It is very difficult to change anything in it afterwards. The blockchain is created via data mining.
Those involved in mining verify clusters of Ether transactions in order to create blocks. By solving complex algorithms, they are secured cryptographically.
It is possible to make the algorithms easier and more difficult to be able to require the same processing time for the blocks, which is about one every 14 seconds. The new blocks are linked to the chain by the other already extracted blocks and then the miner is rewarded with a number of Ether tokens. Miners currently get five Ether units, but it may decrease as the cryptocurrency continues to scale up.
Smart contracts
The programming language of the Ethereum blockchain enables developers to write programs where transactions can make automatic results. This program is called a smart contract.
A traditional contract describes the conditions, a smart contract ensures that these conditions are met by coding them. The program automatically executes the agreement when the previously determined conditions are met. It then ensures that there are no delays and removes the cost that would otherwise be required to manually complete a transaction.
A smart contract can be created by an Ethereum user to make an automatic transfer to someone on a specific date. That code is entered into the blockchain and as soon as that date comes, Ethern is automatically sent to the recipient.
Several users can together agree on a smart contract with several conditions and code it in the blockchain. When all conditions have been met, the smart contract will be executed.
The smart contracts also remove all intermediaries and give the user full control and reduce all extra costs that would otherwise be added. The agreed terms are registered, encrypted and copied to the public blockchain and all participants can see the market activity. This reduces both the time and effort otherwise required to perform everything manually.
However, there are always some issues with new systems that need to be fixed. In smart contracts, the code is translated literally and the errors that can occur in the coding might produce unwanted results that can not be undone.
Ethereum: The World Computer Timeline
From the initial whitepaper to smart contracts, The DAO, The Merge & Layer-2 scaling
Vitalik Buterin publishes “Ethereum: A Next-Generation Smart Contract and Decentralized Application Platform”, proposing a Turing-complete programmable blockchain extending beyond Bitcoin’s restrictive scripting system.
The founders conduct an online public crowdsale, raising over 31,500 BTC (approx. $18.3 million) in exchange for roughly 60 million newly minted Ether (ETH) at an initial price near $0.30 per coin.
Block #0 is mined. The raw, command-line-driven “Frontier” release goes live, allowing miners and developers to launch EVM instances and write the earliest decentralized applications.
Activated at block 1,150,000, Homestead removes the network’s beta canary contracts, introduces the DELEGATECALL opcode, and marks Ethereum’s readiness for mainstream public use.
Following a 3.6 million ETH exploit in “The DAO”, the community coordinates a state-irregular hard fork at block 1,920,000 to reimburse victims. The unaltered legacy chain survives as Ethereum Classic (ETC).
Fabian Vogelsteller and Vitalik’s ERC-20 token standard turns Ethereum into the global launchpad for decentralized funding, triggering a historic market bull run and network congestion.
Automated market makers (Uniswap) and collateralized lending markets (Compound, Aave, MakerDAO) ignite unprecedented Total Value Locked (TVL), establishing Ethereum as Web3’s financial settlement layer.
The standalone Proof-of-Stake consensus chain launches in parallel with the Proof-of-Work execution layer, requiring validators to lock 32 ETH stakes to validate blocks without mining rigs.
EIP-1559 restructures transaction fees by introducing a dynamic base fee that is burned permanently on every transaction, laying the groundwork for ETH to become a deflationary asset (“Ultrasound Money”).
At Terminal Total Difficulty (TTD) 58750000000000000000000, Ethereum executes the most complex upgrade in crypto history—hot-swapping Proof-of-Work for Proof-of-Stake and reducing network electricity usage by ~99.95%.
The Shanghai/Capella combined upgrade enables full and partial withdrawals for staked ETH validators, completing the multi-year architectural transition to Proof-of-Stake.
Introduces ephemeral data storage (“blobs”), slashing transaction fees on Layer-2 optimistic and zero-knowledge rollups (Arbitrum, Optimism, Base) by over 90% and cementing Ethereum’s rollup-centric scaling roadmap.
The SEC approves spot ETH exchange-traded funds, trading on major stock exchanges (NYSE, NASDAQ, Cboe) and bridging decentralized computing into institutional retirement portfolios.
This article was last updated on: September 14, 2026