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How to query transactions on a blockchain

Sep 28,2025 at 09:54am

Understanding Blockchain Transaction Queries1. Every blockchain operates as a decentralized ledger, recording transactions in blocks that are cryptogr...
What is the Ethereum Virtual Machine (EVM)?

Sep 27,2025 at 02:36pm

Understanding the Ethereum Virtual Machine (EVM)1. The Ethereum Virtual Machine (EVM) is a decentralized runtime environment that executes smart contr...
What is a key pair

Sep 22,2025 at 08:18pm

Understanding the Foundation of Cryptographic Security1. In the world of cryptocurrency, a key pair serves as the backbone of digital ownership and tr...
What is a Rollup (Optimistic vs. ZK)?

Sep 22,2025 at 03:00pm

Understanding Rollups in Blockchain Technology1. Rollups are layer-2 scaling solutions designed to increase transaction throughput on blockchains like...
What is asymmetric encryption?

Sep 22,2025 at 01:37pm

Understanding Asymmetric Encryption in Cryptocurrency1. Asymmetric encryption, also known as public-key cryptography, plays a foundational role in sec...
What are blocks in a blockchain?

Sep 22,2025 at 12:37pm

Understanding Blockchain Blocks1. A block in a blockchain is a digital container that holds a collection of verified transactions. Each block serves a...
What is a blockchain fork (hard and soft forks)?

Sep 22,2025 at 10:18am

Understanding Blockchain ForksA blockchain fork occurs when a single cryptocurrency splits into two separate chains due to changes in the network's pr...
What is a mnemonic phrase

Sep 21,2025 at 10:37am

Understanding the Role of a Mnemonic Phrase in Cryptocurrency1. A mnemonic phrase, commonly referred to as a seed phrase or recovery phrase, is a sequ...
What does TPS mean on a blockchain?

Sep 21,2025 at 09:54am

Understanding TPS in Blockchain Technology1. TPS stands for Transactions Per Second, a metric used to measure the number of transactions a blockchain ...
What are token standards (such as ERC-20, ERC-721

Sep 21,2025 at 03:54am

Understanding Token Standards in the Cryptocurrency EcosystemToken standards define a set of rules and functions that tokens on a blockchain must foll...
What are the types of blockchains (public, private, and consortium)?

Sep 20,2025 at 03:54pm

Public Blockchains: Open and Decentralized Networks1. Public blockchains are fully open systems where anyone can join, participate, and validate trans...
What is a multi-signature wallet

Sep 20,2025 at 07:00am

Understanding Multi-Signature Wallets in Cryptocurrency1. A multi-signature wallet, often referred to as a multisig wallet, is a type of cryptocurrenc...
How do we achieve immutability in a blockchain?

Sep 20,2025 at 03:55am

Understanding Blockchain ImmutabilityImmutability in blockchain refers to the unchangeable nature of data once it has been recorded on the distributed...
What are suitable application scenarios for blockchain?

Sep 20,2025 at 03:19am

Decentralized Finance (DeFi) Platforms1. Blockchain enables the creation of financial services without centralized intermediaries, allowing users to l...
What is a token economy?

Sep 20,2025 at 12:18am

Understanding the Foundations of a Token Economy1. A token economy in the context of cryptocurrency refers to a system where digital tokens are used a...
What is a wallet address

Sep 19,2025 at 08:54am

Understanding Wallet Addresses in the Cryptocurrency EcosystemA wallet address is a unique identifier used to send and receive cryptocurrencies across...
What is blockchain scalability?

Sep 19,2025 at 06:18am

Understanding Blockchain Scalability1. Blockchain scalability refers to a network's ability to handle an increasing number of transactions without com...
What is a decentralized autonomous organization (DAO)

Sep 19,2025 at 12:00am

Understanding the Structure of a DAO1. A decentralized autonomous organization (DAO) operates without centralized leadership, relying instead on rules...

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