Find your next word.
Clear definitions. Practical examples. A source-linked asset registry.
ABI
Application Binary Interface: the encoding rules and interface description used to interact with a contract.
Account abstraction
Approaches that make account authorization and user experience programmable beyond a single conventional key.
Address
An identifier used to receive assets or locate an account or contract on a blockchain.
Address poisoning
An attack that inserts misleading activity involving a lookalike address into a user's transaction history.
Admin key
A key or authorization role with privileged control over a contract or protocol component.
Air-gapped wallet
A signing setup kept disconnected from network connections, exchanging transaction data through a separate transfer method.
Allowance
The amount an ERC-20 owner has authorized a particular spender to transfer from that owner's balance.
Approval revocation
An onchain action that removes or reduces an existing token-spending permission.
APR
Annual percentage rate: in DeFi yield displays, an annualized rate usually quoted without reinvesting its periodic returns.
APY
Annual percentage yield: an annualized measure that accounts for the stated effect of compounding.
Arbitrage
Attempting to capture price differences between related assets, markets or trading routes.
Ask
A price at which a participant or trading system is prepared to sell an asset.
Atomic transaction
An operation in which the included state changes succeed together or are rolled back together under the system's execution rules.
Attestation
An Ethereum validator's signed vote about the chain head and checkpoint information.
Automated market maker
A trading mechanism that prices swaps using mathematical rules and available liquidity rather than matching individual orders.
Base fee
The protocol-determined fee per gas unit that an Ethereum execution transaction must cover.
Bech32
An error-detecting address encoding introduced for native SegWit Bitcoin outputs.
Bid
A price at which a participant or trading system is prepared to buy an asset.
Bid-ask spread
The gap between the best available buying and selling prices in a market.
Bitcoin
A peer-to-peer monetary network whose native asset is bitcoin, commonly abbreviated BTC.
Bitcoin Script
Bitcoin's stack-based language for expressing transaction-output spending conditions.
Blind signing
Approving a transaction or message whose relevant effects are not meaningfully displayed or understood.
Blob
A specialized Ethereum data payload introduced for applications such as rollups, with a separate fee market and retention rules.
Block
A batch of blockchain data accepted as one step in the network's history.
No matching entries.
Try a shorter name, a ticker, or clear the topic filter.
Asset records distinguish network and contract identities. Inclusion in a source registry does not verify a project’s safety, value or current activity. Read how our sources work