Crypto mining economics
Cryptocurrency mining is a process of validating transactions and adding them to a blockchain ledger. While it serves a crucial technical function in decentralized networks, mining is also a profit-driven….
Tag: Proof of Work
The role of miners and validators
Miners and validators play a central role in the functioning and security of blockchain networks. While they perform similar tasks in maintaining the ledger and achieving consensus, the methods and….
Anatomy of a Blockchain block
A blockchain is a decentralized, distributed ledger that records transactions across multiple computers in such a way that the registered transactions cannot be altered retroactively. Each block in a blockchain….
Double-spending problem
The double-spending problem is one of the fundamental challenges in digital currencies and decentralized systems like blockchain. It refers to the risk that a digital currency, such as Bitcoin or….
Sybil attacks on Blockchain
A Sybil attack is a type of security threat that targets decentralized systems, particularly blockchain networks. It involves a malicious actor creating multiple fake identities or nodes within a network….
Blockchain attacks: 51% attack
A 51% attack is a potential threat to blockchain networks, specifically to those that rely on Proof of Work (PoW) or similar consensus mechanisms. While blockchain is often considered secure….
Blockchain security fundamentals
Blockchain, at its core, is a distributed ledger system that provides transparency, immutability, and decentralization. However, for blockchain to truly deliver on these promises, its security must be robust and….
How cryptocurrency transactions work
Cryptocurrency transactions are a fundamental part of how digital currencies operate. Understanding how they work is essential for anyone interested in investing in or using cryptocurrencies. In a nutshell, cryptocurrency….
Bitcoin vs Altcoins
Bitcoin and altcoins are the two main categories of cryptocurrencies. While Bitcoin is the original cryptocurrency, altcoins refer to all other cryptocurrencies that were created after Bitcoin. These digital assets….
What is a Cryptocurrency?
Cryptocurrency is a form of digital or virtual currency that uses cryptography for security and operates on decentralized networks, typically based on blockchain technology. Unlike traditional currencies issued by governments….