Ethereum Wallet Guide: ETH, ERC20, NFTs & Smart Contracts Explained

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About Math Wallet

MathWallet is a leading Web3 multi-chain wallet solution supporting over 100 blockchains including Ethereum, Polkadot, Solana, and Binance Smart Chain. Key features include:

Notable investors include Binance Labs, Multicoin Capital, and Amber Group, validating its position as a top-tier blockchain infrastructure provider.

What Is Ethereum?

Ethereum is an open-source, decentralized computing platform that enables:

✔️ Smart contract functionality
✔️ Distributed applications (DApps)
✔️ Digital asset tracking (ETH, ERC20 tokens, NFTs)

Unlike Bitcoin's singular focus on currency, Ethereum serves as a programmable blockchain where developers can build decentralized solutions across industries like finance, gaming, and digital identity.

👉 Discover how Ethereum compares to other major blockchains

How Ethereum Works: The Technical Breakdown

Ethereum operates through these core components:

  1. Ethereum Virtual Machine (EVM): Executes smart contract code across all network nodes
  2. Gas Fees: ETH payments required for computation (measured in gwei)
  3. Consensus Mechanism: Transitioned from PoW to PoS in "The Merge" upgrade

Smart contracts automatically enforce agreements when predetermined conditions are met. For example:

// Simplified smart contract example
contract Payment {
    function sendETH(address recipient, uint amount) public {
        payable(recipient).transfer(amount);
    }
}

Key Features of Ethereum

Smart Contracts

Self-executing agreements with these advantages:

⚠️ Important: Smart contracts are irreversible—thorough auditing is essential before deployment.

Decentralized Applications (DApps)

Unlike traditional apps, DApps:

Popular Ethereum DApp categories include DeFi platforms like Uniswap and NFT marketplaces like OpenSea.

Ethereum Use Cases

SectorImplementation Examples
FinanceLending protocols (Aave), stablecoins (DAI)
GamingNFT collectibles, play-to-earn models
IdentityENS domains, verifiable credentials

👉 Explore real-world Ethereum applications

FAQ: Ethereum Wallets & Technology

Q: What's the difference between ETH and ERC20 wallets?
A: All ERC20 tokens operate on Ethereum, so any ETH wallet can store them. However, some wallets offer specialized interfaces for token management.

Q: How do I choose an Ethereum wallet?
Consider:

Q: Are smart contracts really irreversible?
Yes—once deployed to mainnet, contract code cannot be modified. Upgradeable contracts require proxy patterns.

Q: What gas fee strategies exist?

Future of Ethereum

Upcoming upgrades like Proto-Danksharding aim to:

This positions Ethereum to potentially onboard the next billion users to Web3.

Note: Always conduct independent research before connecting wallets or signing transactions.