Perceptual hash functions aim to imitate human perception by focusing on the types of features that drive human sight and hearing.

For Bitcoin specifically, the hashing algorithm difficulty adjusts up and down depending on how high the hash rate is. This is because creation of new Bitcoin was designed to be controlled over time.

Hash attack economics Starting with the basics, Bitcoin is encrypted by transactions using what's called a Secure Hashing Algorithm 256 (shortened to SHA-256).

Each hash function can also be implemented so that multiple iterations, or passes, of the hashing algorithm is performed for each password.

Friday February 24, 2017 Reuters The algorithm, known as Secure Hash Algorithm 1 or SHA-1, is currently used to verify the integrity of digital files and signatures.

Hash rate, sometimes referred to as hashrate, is a measure of the computing power on a cryptocurrency network that serves as a key security indicator. It measures the total computational power used by ...

There are different hashing algorithms and methods of reversing those algorithms, but I don’t think that’s the real risk with hashing. If you use the proper hash algorithm, it can be very difficult to ...

Who Broke the SHA1 Algorithm (And What Does It Mean for Bitcoin)? The SHA1 encryption algorithm was recently 'broken' by researchers at Google and CWI Amsterdam. Should the bitcoin world worry?