Glossary
Quick Reference
A
API Key
A Key passed in an API to identify the your project and access Arkhia Infraestruscture!
Axios
HTTP client that sports an easy-to-use API and can be used in both the browser and Node.js.
Account
An account is a pair of public and private keys used to sign transactions and interact with the network.
B
Balances
The amount of cryptocurrency in a particular wallet or account.
Blocks
A collection of data pertaining to transactions, contracts, etc. which is added to the network after verification.
C
Chain-data
Data that is stored on the network and is globally accessible.
Consensus Node
In the context of the Hedera network, consensus nodes participate in the process of coming to an agreement (consensus) on the order and timestamps of transactions.
Contracts
Refers to smart contracts. These are self-executing contracts with the terms of the agreement directly written into code.
E
Ethers.js
A complete JavaScript library that allows developers to interact with the Ethereum tools easily.
eth_getLogs
An JSON-RPC method which returns an array of all logs matching a given filter object.
G
gRPC
A high-performance, open-source framework developed by Google to handle remote procedure calls (RPCs).
GraphQL
A query language for APIs and a runtime for executing those queries against your existing data.
N
Network
A group of computers connected to share resources and communicate with each other.
Node
In the context of blockchain, a node is a device that participates in the blockchain network.
NFT
Non-Fungible Token. It represents a unique digital item or asset.
O
Off-chain data
Data that is not stored on the blockchain, but might be necessary to complete smart contracts or transactions.
R
REST
Representational state transfer (REST) is a software architectural style that defines a set of constraints to be used for creating Web services.
S
Schedules
In Hedera Hashgraph, schedules refer to the scheduled transactions feature, which allows transactions to be set up in advance and executed only when required conditions are met.
Smart Contract
A self-executing contract with the terms of the agreement directly written into code.
Socket.io
A JavaScript library that enables real-time, bidirectional and event-based communication between the browser and the server.
Solidity
An object-oriented, high-level language for implementing smart contracts.
T
Testnet
A testing network used by developers for testing purposes, separate from the main network (mainnet).
Tokens
Tokens represent a certain value or are used as a method to interact with the Hedera network.
Topic
A topic is an address where clients can publish and/or subscribe to messages.
Transactions
Transactions are the actions in the chain that cause the state of the network to change. Transactions are grouped into blocks.
W
Watchtower
Arkhia service that uses Websockets to stream down data from the Mirror Node.
Web3.js
A collection of libraries that allow you to interact with a local or remote node using HTTP, IPC or WebSocket.
Websockets
A communication protocol providing full-duplex communication channels over a single TCP connection.