Ethereum
8 guides covering ethereum — ordered from beginner to advanced.
Ethereum guides
What Is Ethereum?
An introduction to Ethereum, its programmable blockchain, ether, and network validation.
6 min read · 7 related concepts
What Is a Smart Contract?
Understand how blockchain-based programs work, what they can do, and where their risks come from.
6 min read · 11 related concepts
What Is an NFT?
A clear explanation of non-fungible tokens — what makes them different from typical cryptocurrencies, and what they can and can't represent.
6 min read · 4 related concepts
Understanding Gas Fees on Ethereum
What gas fees are, why they exist, and what makes them rise and fall.
6 min read · 6 related concepts
The Ethereum Merge and Proof of Stake
What the Ethereum Merge changed, and why the network moved from proof of work to proof of stake.
6 min read · 3 related concepts
ERC-20 Tokens Explained
What ERC-20 is, why it matters, and how it lets many different tokens work consistently on Ethereum.
5 min read · 1 related concept
Understanding EIP-4844 and Blob Transactions
How Ethereum's blob transaction upgrade made posting Layer 2 data significantly cheaper.
6 min read · 2 related concepts
Restaking on Ethereum Explained
How already-staked ETH can be used again to help secure additional protocols, and the added risk.
6 min read · 1 related concept
Key terms in this category
Gas Limit
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Ethereum
Read the Ethereum glossary definition
Proof of Stake
Read the Proof of Stake glossary definition
Smart Contract
Read the Smart Contract glossary definition
Layer 2
Read the Layer 2 glossary definition
Oracle
Read the Oracle glossary definition
Virtual Machine
Read the Virtual Machine glossary definition
DAO
Read the DAO glossary definition
Governance Token
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Ethereum Virtual Machine
Read the Ethereum Virtual Machine glossary definition
Solidity
Read the Solidity glossary definition
Gas Fee
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Fungible Token
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Non-Fungible Token
Read the Non-Fungible Token glossary definition
Wrapped Token
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Token Standard
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Gwei
Read the Gwei glossary definition
Calldata
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Opcode
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Base Fee
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Priority Fee
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Epoch
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Slot
Read the Slot glossary definition
Difficulty Bomb
Read the Difficulty Bomb glossary definition
ERC-20
Read the ERC-20 glossary definition
Blob (Ethereum)
Read the Blob (Ethereum) glossary definition
Danksharding
Read the Danksharding glossary definition