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….
Tag: 51% Attack
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….
Comparison of PoW vs PoS
Proof of Work (PoW) and Proof of Stake (PoS) are two of the most widely used consensus mechanisms in blockchain technology. Both play a vital role in ensuring the security….
Proof of Work (PoW) explained
Proof of Work (PoW) is one of the most widely used consensus mechanisms in blockchain networks, especially in cryptocurrencies like Bitcoin. It is a way for a decentralized network of….