What is a 51% attack and how to detect it? — adidaswilson

Author Adidas Wilson
4 min readMar 27, 2023

In the world of cryptocurrency, a 51% attack is a malicious attack on a blockchain network that occurs when an individual or group controls more than 50% of the network’s computing power. This type of attack can have devastating consequences, including the ability to double-spend, prevent transactions from being confirmed, and even reverse previous transactions. In this article, we will explore what a 51% attack is and how to detect it.

What is a 51% Attack?

A 51% attack is a type of attack that occurs on a blockchain network when an individual or group controls more than 50% of the network’s computing power. This computing power is often referred to as “hash rate” and is measured in hashes per second (H/s).

When an individual or group controls more than 50% of the network’s computing power, they have the ability to manipulate the blockchain in a number of ways. For example, they can double-spend coins, meaning they can spend the same coins twice, or they can prevent transactions from being confirmed.

One of the main reasons that a 51% attack is so powerful is that it allows the attacker to control the blockchain’s consensus mechanism. In a blockchain network, transactions are verified and confirmed by a consensus mechanism, which is typically based on proof of work…

--

--

Author Adidas Wilson

Adidas Wilson was born in Chicago, surviving a near death experience driving off a bridge in an 18 wheeler and getting hit by a train. Author and Motivator