Words starting with B
Pick up a word, see how people use it and follow the next connection.
Bagholder
Someone still holding a coin or token after its value has dropped badly, often hoping it will recover.
Base fee
Ethereum’s protocol-set execution fee per gas unit, which adjusts with block demand and is burned.
Bech32
An address encoding with error detection, 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, usually written as BTC.
Bitcoin Script
Bitcoin’s stack-based programming language for defining the conditions needed to spend transaction outputs.
Blind signing
Signing a transaction or message without meaningfully seeing or understanding what it authorizes.
Blob
A specialized Ethereum data payload with a separate fee market and temporary availability rules, used by systems such as rollups.
Block
A batch of blockchain data that is accepted as one step in the network’s history.
Block explorer
An interface that indexes blockchain data for inspecting blocks, accounts and transactions.
Block header
A compact set of block fields used to identify the block and check important validity requirements.
Block height
A block’s numbered position in a chain, counted from the first block.
Block reward
The Bitcoin block subsidy plus transaction fees that a miner may claim for a valid block.
Block time
The interval between successive blocks, or a protocol's intended interval when quoted as a network statistic.
Block weight
Bitcoin’s consensus measure of block capacity, introduced by SegWit.
Blockchain
A shared ledger whose blocks are linked by cryptographic hashes.
Borrow rate
The interest rate charged on borrowed assets.
Bridge
A mechanism for moving assets, asset representations or messages between blockchain environments.
Bundler
An ERC-4337 participant that packages UserOperations into transactions sent through an EntryPoint contract.
Bytecode
Machine-oriented instructions that a virtual machine executes, often produced by compiling source code.
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