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LEO$8.99+0.25%From your first block to the finer details. Explore the ideas, people, and systems behind the market—one useful explanation at a time.
Follow a transaction from a key to a shared ledger.
Begin with BlockchainExplore contracts, liquidity, borrowing and the risks between them.
Begin with Smart contractUnderstand what a price, valuation or sentiment indicator can tell you.
Begin with Market capitalizationLearn custody, permissions and how to assess what you sign.
Begin with Hardware walletConnect the original ideas to the incidents that changed the industry.
Begin with A Cypherpunk's ManifestoSeparate technical standards, issuer claims and legal frameworks.
Begin with Howey testEthereum's fee market: a burned base fee plus a tip. It made fees more predictable and added a burn.
Proto-danksharding. Added blob space so rollups can post data far cheaper than calldata.
An Ethereum transaction mechanism that lets an externally owned account authorize persistent delegation to executable code, introduced through Pectra in 2025.
A multi-token standard that can hold fungible and non-fungible ids in one contract.
An Ethereum interface allowing a smart contract account to report whether it considers a given message signature valid.
An Ethereum interface standard for fungible token contracts, covering balances, transfers, allowances, and events.
The account-abstraction standard that adds user operations, bundlers, and paymasters without changing Ethereum consensus.
A vault standard so yield-bearing shares (like lending receipts) share one deposit and redeem interface.
A standard vocabulary of custom error types for common ERC-20, ERC-721, and ERC-1155 token failures.
The Ethereum standard for non-fungible tokens, where each token id is unique.
Definitions offer a starting point. Detailed readings include the sources behind the explanation.