What Is a 51% Attack?

What Is a 51% Attack?
An attack on a blockchain by a group of miners controlling over 50% of a network’s mining hashrate – the sum of all computing power dedicated to mining and processing transactions – is called a 51% attack.A blockchain is a type of ledger technology that stores and records data. Put simply, a blockchain is a distributed list of transactions that is constantly being updated and reviewed. One of the key features of a blockchain is that it is made up of a decentralized network of nodes (a crucial piece of ensuring that a cryptocurrency remains decentralized and secure).Understanding decentralizationA blockchain…