Block Finality
Block finality is the level of assurance that an accepted block will not be removed or replaced by a competing chain. Finality…
Crypto & Blockchain Fundamentals
Core concepts behind cryptocurrency, blockchain and distributed systems.
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Terms (367)
Block Hash
A block hash is a cryptographic digest used to identify a block or its header and to link it to other protocol…
Block Header
A block header is the compact metadata portion of a block that commits to its parent, transaction or state data, timing, and…
Block Height
Block height is the number of blocks between a block and the genesis block, with the genesis block normally assigned height zero.…
Block ID
A block ID is the protocol-specific identifier used to reference a particular blockchain block, commonly a hash of its header or another…
Block Inclusion
Block inclusion is the event in which a valid transaction or operation is selected and recorded in an accepted block. Inclusion shows…
Block Interval
Block interval is the elapsed time between consecutive blocks, usually discussed as an observed value or protocol target rather than a fixed…
Block Limit
A block limit is a protocol rule that caps how much data, computation, gas, weight, or other resource one block may contain.…
Block Number
A block number is a sequential position assigned to a block within a blockchain history, often starting at zero for the genesis…
Block Producer
A block producer is the miner, validator, sequencer, or other protocol-authorized participant that proposes or creates a candidate block. The producer proposes…
Block Receipt Root
A block receipt root is a cryptographic root that commits to the ordered set of transaction receipts produced by executing a block.…
Block Reward
A block reward is the total protocol-permitted compensation associated with producing a block, commonly including newly issued assets, transaction fees, or both.…
Block Root
Block root is a general term for a cryptographic root or hash that represents a block, part of a block, or a…
Block Size
Block size is the serialized amount of data in a block, usually measured in bytes, although some protocols use weighted or multi-resource…
Block Space
Block space is the limited capacity within blocks for transaction data and computation, treated as a scarce network resource allocated through protocol…
Block State Root
A block state root is the cryptographic commitment to the blockchain state after, or at a protocol-defined point around, processing a block.…
Block Subsidy
A block subsidy is the newly issued cryptocurrency that a protocol permits a block producer to claim for creating a valid block,…
Block Time
Block time is the time associated with block production, commonly expressed as the average or target interval between blocks on a blockchain…
Block Timestamp
A block timestamp is a time value recorded in a block or block header according to the protocol’s rules, indicating when the…
Block Transaction Root
A block transaction root is the cryptographic commitment to the ordered transactions included in a block. It allows a verifier to prove…
Block Verification
Block verification is the process of checking that a proposed or received block follows the blockchain’s consensus, structure, transaction, and state-transition rules.…
Blockchain
A blockchain is a distributed ledger in which validated records are grouped into ordered blocks linked by cryptographic commitments and maintained under…
Blockchain Analysis
Blockchain analysis is the examination of public ledger data to identify transactions, asset flows, address relationships, contract activity, network behavior, or risk…
Blockchain Data
Blockchain data is the information recorded, committed to, or derived from a blockchain network, including blocks, transactions, state, receipts, logs, and protocol…