Address Reuse
Address reuse is the repeated use of the same blockchain receiving address for multiple transactions. It can simplify operations but may weaken…
Crypto & Blockchain Fundamentals
Core concepts behind cryptocurrency, blockchain and distributed systems.
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Terms (367)
Address Type
Address type identifies the protocol-defined destination or spending condition represented by a blockchain address, such as a public-key-hash address, script address, contract…
Address-Based Matching
Address-based matching is a reconciliation method that associates an incoming blockchain transaction with a customer, invoice, or account by comparing the destination…
Address-Based Payment
An address-based payment is a crypto payment completed by transferring assets to a blockchain address supplied by the recipient or payment provider.…
Aggregate Signature
An aggregate signature is a compact cryptographic signature that represents multiple individual signatures, signers, or messages in one verifiable object. Blockchain protocols…
Asset-Based Confirmation
Asset-based confirmation is a policy that sets payment acceptance or confirmation requirements according to the cryptocurrency, token, network, value, or risk characteristics…
Atomic Transaction
An atomic transaction is a transaction or grouped operation that either completes all required state changes successfully or applies none of them.…
Base58
Base58 is a text encoding that represents binary values with 58 alphanumeric characters while excluding characters that are easily confused, such as…
Base58 Address
A Base58 address is a blockchain address encoded with a 58-character alphabet that omits visually confusing characters. Bitcoin legacy addresses commonly use…
Base58Check
Base58Check is a Bitcoin encoding format that combines version or type information, a payload, and a short checksum before converting the result…
Batch Transaction
A batch transaction is one blockchain transaction that groups multiple instructions, calls, transfers, or state changes for processing as a unit. Batching…
Bech32
Bech32 is a checksummed text encoding introduced for native Bitcoin SegWit version 0 addresses. It uses a human-readable prefix, a restricted lowercase…
Bech32m
Bech32m is the modified Bech32 checksum format used for Bitcoin SegWit witness version 1 and later, including Taproot addresses. It retains Bech32’s…
Best Chain
Best chain is the blockchain branch a node selects as the preferred history under the network’s fork-choice rule. In proof-of-work systems, this…
Binary Encoding
Binary encoding is the method used to represent information as ordered bits or bytes according to defined rules. Blockchain protocols use binary…
Blind Signature
A blind signature is a digital signature created on a message whose content is hidden from the signer during signing. The requester…
Blob Transaction
A blob transaction is an Ethereum transaction type introduced by EIP-4844 that carries commitments to temporary data blobs used mainly by rollups…
Block
A block is a protocol-defined data structure that groups transactions and other consensus data into an ordered unit accepted by a blockchain…
Block Builder
A block builder is an entity or software component that assembles candidate block contents, typically selecting and ordering transactions to maximize value…
Block Capacity
Block capacity is the maximum amount of transaction data or computation a blockchain permits in a block, expressed through limits such as…
Block Commitment
A block commitment is a cryptographic value in a block or related consensus object that binds the block to specific data, such…
Block Confirmation
A block confirmation is evidence that a block has been accepted into the chain selected by the network or node, often strengthened…
Block Explorer
A block explorer is a search and analytics interface that indexes blockchain data and lets users inspect blocks, transactions, addresses, contracts, tokens,…
Block Fee Revenue
Block fee revenue is the portion of transaction fees earned by a block producer, validator, miner, sequencer, or protocol because transactions were…