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.

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

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).

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.

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 ...

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 ...

A target hash sets the difficulty for cryptocurrency mining using a proof-of-work (PoW) blockchain system.

Security experts vying to have their technology selected as the next cryptographic-hash algorithm standard for the U.S. government need to submit their entries this week. Then they will have a ...