Understanding Bitcoin is a one-way hash function should make sense because a hash function cannot be reversed. Once you understand that, it is hard to go back to thinking otherwise. The secure hash ...

How mining works is fascinating. When I explain it to people, I enjoy seeing their face the moment their mind is blown. I’ll explain it here, but just know, I’m imagining all your faces as your minds ...

Right now there are thousands of computers connected to the Internet, dutifully calculating SHA-256 hashes and sending their results to other peers on the Bitcoin network. There’s a tremendous amount ...

It is often said that tampering with the Bitcoin blockchain is difficult. For those just starting to invest in Bitcoin, some ...

BLAKE3 and Poseidon on Yukon, with every result published and reviewed by cryptographers. The open competition hosted on Yukon will test how far it can advance attacks on the hash functions that ...

A nonce is the 32-bit number miners change to hash a valid block. Bitcoin's field holds 4.29 billion values, and ASICs burn through them in seconds.

Anyone with an interest in bitcoin will have heard the phrase 'cryptographic hash function' at some time or other. But what exactly does it mean, and how is it connected to cryptocurrency? Hash ...

The latest version of Linus Torvalds' Git version-control system brings experimental support for the SHA-256 cryptographic hash, moving it away from its reliance on the less safe SHA-1. Google and ...

As laid out in a recent CoinDesk explainer, a hash function (of which SHA1 is an example) is used to take a piece of data of any length, process it, and return another piece of data – the 'hash digest ...