Blockchain Analytics terminology

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This page describes terms you may encounter when working with Blockchain Analytics.

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Select category Avalanche Blockchain technology Data processing Ethereum Fantom Numeric precision Optimism Tron

Category	Term	Definition
Blockchain technology	block reward	A block reward is a cryptocurrency reward given to miners or validators for their work on a blockchain.
Blockchain technology	blockchain	A distributed ledger that records all transactions that have ever taken place on the network. The blockchain is comprised of consecutive groups of transactions, known as blocks.
Blockchain technology	consensus mechanism	A way for nodes on the blockchain network to agree on the state of the blockchain. Proof-of-Work (PoW) and Proof-of-Stake (PoS) are two commonly used consensus mechanisms.
Blockchain technology	node	A computer that maintains a copy of the blockchain ledger and participates in the network by validating transactions and adding new blocks to the chain. Nodes are essential for the security and decentralization of blockchain networks, as they help to prevent malicious actors from tampering with the ledger.
Data processing	derived data	Processed data that provides value beyond raw on-chain data, e.g. contract labeling, token balances, etc.
Data processing	raw data	On-chain data with minimal data processing.
Avalanche Ethereum Fantom Optimism Tron	account	An account is a unique identifier on the blockchain that can hold ether and interact with smart contracts. There are two types of accounts: Externally Owned Accounts (EOAs) and Contract Accounts. EOAs are controlled by private keys. Contract accounts are controlled by code.
Ethereum	ether (ETH)	Ether is the native cryptocurrency of the Ethereum blockchain. It is used to pay for gas, which is the computational resource required to execute transactions and smart contracts on the Ethereum network. Wei is the smallest denomination of ether. One ether is equal to 10^18 wei.
Ethereum	EVM	The Ethereum Virtual Machine (EVM) is a software program that runs on every node on the Ethereum network. The EVM is responsible for executing transactions and smart contracts.
Avalanche Ethereum Fantom Optimism Tron	finality	Finality is a guarantee that a block cannot be altered or removed from the blockchain without a significant group of validators losing their staked cryptocurrency. Finality can be denoted by commitment level or block tag.
Avalanche Ethereum Fantom Optimism Tron	gas	Gas is a unit of measurement that is used to quantify the computational resources required to execute a transaction or smart contract on the blockchain network. This transaction is paid on the native token for the network.
Avalanche Ethereum Fantom Optimism Tron	log	Logs are records of events that occur on the blockchain. They are created by smart contracts when they execute certain functions. Logs can be used to track the activity of smart contracts and to get information about the events that have occurred on the blockchain.
Avalanche Ethereum Fantom Optimism Tron	smart contract	A smart contract is a self-executing contract that is stored on the blockchain. Smart contracts can be used to automate a variety of tasks, such as financial transactions, voting, and state management.
Avalanche Ethereum Fantom Optimism Tron	trace	A trace is a record of the execution of a transaction. It contains information about the steps that were taken to execute the transaction, such as the bytecode that was executed, the values of the variables, and the gas used.
Avalanche Ethereum Fantom Optimism Tron	transaction	A transaction is a message that is sent from one account to another on the blockchain network. Transactions can be used to transfer cryptocurrency, create smart contracts, or interact with other decentralized applications.
Ethereum	transaction receipt	A record of the outcome of a transaction. It contains information about the transaction, such as the block number it was included in, the gas used, and the status of the transaction (whether it succeeded or failed).
Numeric precision	lossless value	A decimal number represented as a STRING to preserve full numeric precision of UINT256 decimal numbers, e.g. 42.9999999.
Numeric precision	lossy value	A decimal number represented as a BIGNUMERIC to preserve numeric precision up to UINT128, e.g. 42.9999.
Tron	TRX	TRX is the native cryptocurrency of the Tron blockchain. It is used to pay for gas, which is the computational resource required to execute transactions and smart contracts on the Tron network. Wei is the smallest denomination of TRX. One TRX is equal to 10^18 wei.
Optimism	OP	OP is the native cryptocurrency of the Optimism blockchain. It is used to pay for gas, which is the computational resource required to execute transactions and smart contracts on the Optimism network. Wei is the smallest denomination of OP. One OP is equal to 10^18 wei.
Fantom	FTM	FTM is the native cryptocurrency of the Fantom blockchain. It is used to pay for gas, which is the computational resource required to execute transactions and smart contracts on the Fantom network. Wei is the smallest denomination of FTM. One FTM is equal to 10^18 wei.
Avalanche	AVAX	AVAX is the native cryptocurrency of the Avalanche blockchain. It is used to pay for gas, which is the computational resource required to execute transactions and smart contracts on the Avalanche network. Wei is the smallest denomination of AVAX. One AVAX is equal to 10^18 wei.

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