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1Fix the driver behind crashes, sound loss and screen glitches2Repair Windows errors before they cause bigger problems3Scan for outdated or missing drivers - takes under a minuteEthereum is a programmable blockchain network; ETH, also called ether, is its native asset. Ethereum Mainnet uses proof-of-stake: validators stake ETH to help check and propose blocks. The network’s fees, staking risks and wallet choices matter if you use or hold ETH, but none makes its market value or future returns predictable.
What is Ethereum, and what is ETH?
Ethereum is a blockchain network designed to run programs called smart contracts. Those programs support applications that operate on the network. ETH is the network’s native asset: it is used to pay transaction fees and can be staked to participate in proof-of-stake security.
The distinction is important: Ethereum is the network and its software, while ETH is an asset used within that network. People sometimes say “Ethereum” when they mean ETH, but they are not interchangeable terms.
How does Ethereum secure the network?
Ethereum Mainnet uses proof-of-stake (PoS), not proof-of-work (PoW). In PoS, validators stake ETH as collateral and perform consensus duties, including checking blocks and, at times, proposing them. Dishonest validator behavior can lead to some or all of the staked ETH being destroyed. Staking therefore carries protocol risk; it is not a guaranteed-return product.
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Under proof-of-work, miners competed using computing power to add blocks. Ethereum’s Mainnet no longer uses that mining model for consensus. The change did not make ETH a different asset or replace Ethereum’s execution layer.
What did The Merge change?
The Merge took place on September 15, 2022. It joined Ethereum Mainnet’s existing execution layer—the part that processes transactions and smart contracts—to the Beacon Chain consensus layer, which coordinates proof-of-stake. It was Ethereum’s transition from proof-of-work to proof-of-stake, rather than the launch of a separate Ethereum network.
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- Effortlessly build your crypto portfolio via the all in one Ledger Wallet app: buy, sell, send, receive, swap, stake and more across popular blockchains. 15,000+ coins & tokens in a single dashboard. Keep a close eye on the market. Compare service providers. Track performance. Get timely alerts. Build your portfolio with confidence.
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Ethereum.org reports that the transition reduced Ethereum’s energy consumption by approximately 99.95%. That is the figure reported by Ethereum.org, not a separate independent measurement cited here.
How do Ethereum transaction fees work?
Ethereum fees are paid in ETH. Under EIP-1559, each block has a base fee per unit of gas. The protocol adjusts that base fee up or down according to gas use in the preceding block relative to its target. The base fee is burned, meaning it is removed from circulation. A transaction can also include a tip, which goes to validators.
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In practical terms, network demand affects fees: when blocks are busy relative to their target, the base fee adjusts upward; when they are less busy, it adjusts downward. EIP-1559 does not set a permanently fixed fee.
Burning ETH does not mean the total supply must always fall. The amount burned varies with network use, while new ETH is issued through the protocol. The net effect can change; the burn mechanism alone is not evidence that ETH is always deflationary.
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- Proven security at scale: Over 9 years and millions of cards issued with no known remote hacks, while military‑grade EAL6+ security keeps your private keys locked inside the chip. Your cryptocurrencies stay strongly protected from online attackers.
- Tap once to manage your entire crypto wallet across 90 blockchains - no USB cables or Bluetooth, no batteries, no setup. Access 14,100+ coins & tokens, DeFi, NFTs, and staking instantly from your phone
- Smart backup: Use your second Tangem Wallet as your Backup keys with end‑to‑end encryption; no more papers, pictures. If one card is lost, the remaining can still restore full access, with an optional seed phrase available for advanced users.
- Engineered to last up to 25 years: Waterproof (IP69K), shockproof and tested for extreme temperatures from −25°C to 50°C. A durable cold wallet with long‑term protection and independently audited security.
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What does staking ETH involve?
Staking means putting ETH at stake to support proof-of-stake validation. Running a validator yourself requires 32 ETH, as well as operating the validator infrastructure and carrying out its duties. A staking pool offers another route for people who do not have 32 ETH or do not want to operate a validator themselves. Pool arrangements differ, so “staking through a pool” does not describe one uniform product.
Questions to check before choosing a route
- Custody: Who controls the ETH and the keys? Check whether you retain control or rely on a provider.
- Withdrawals: Read the withdrawal terms and any conditions or timing that apply. Do not assume you can access staked ETH immediately.
- Fees: Find out what the pool or service charges and how those charges are applied.
- Validator duties and slashing: Understand who operates validators and how losses from penalties or dishonest behavior may affect participants.
- Provider terms: Review the current service terms and risks for the specific pool; the fact that pools exist does not establish the safety, legal status, or terms of any particular provider.
Staking rewards are not guaranteed returns. They can vary, and they do not remove ETH’s market-price risk or the operational and provider risks associated with a chosen staking route.
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How should you choose an Ethereum wallet?
A wallet manages the keys used to access Ethereum accounts; it does not make the underlying ETH risk-free. Choose based on how you plan to use Ethereum and how much responsibility you are prepared to take for key security.
- Network support: Confirm support for Ethereum Mainnet and any Layer 2 networks you intend to use. Compatibility with one does not automatically establish compatibility with another.
- Custody and recovery: Understand who controls the private keys and how account recovery works. With self-custody, losing the recovery phrase can mean losing access; someone who obtains it can access the associated accounts and assets.
- Hardware compatibility: If you want keys kept offline, consider a hardware wallet compatible with your intended Ethereum use. Offline key storage can reduce some exposure, but it does not protect a recovery phrase that is disclosed or stolen.
- Transparency and usability: Check whether the wallet is open source, what security and recovery information its maker provides, and whether the interface is usable enough for you to verify transactions carefully.
Ethereum.org’s wallet directory lists options and attributes for comparison, but says its entries are informational rather than official endorsements. Product availability and network support can change, so check current details before choosing.
Protect the recovery phrase
Never share a recovery phrase or enter it into a site or app because someone asks you to. Anyone who obtains it can access the associated accounts and assets. Keep it secure and separate from routine device access; a hardware wallet does not make phrase disclosure safe.
What should you understand before holding ETH?
- ETH is a volatile crypto asset, and the protocol mechanics described here do not establish that its price will rise.
- Transaction fees can change with network demand; a burn does not guarantee that total ETH supply declines.
- Staking involves risks, including validator penalties and the terms or custody arrangements of a pool or provider.
- Wallet choice is a security decision: self-custody gives you responsibility for key protection and recovery, while relying on another party introduces dependence on that party’s arrangements.
This is an explanation of Ethereum’s mechanics, not a live-price report or individualized investment advice.
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