From b05ceffb6a90384b19944de8bc77a40e99f02d3d Mon Sep 17 00:00:00 2001 From: "Andreas M. Antonopoulos" Date: Tue, 2 Mar 2021 08:54:58 -0600 Subject: [PATCH] Update bitcoin-fundamentals-review.asciidoc Co-authored-by: Mark Erhardt --- bitcoin-fundamentals-review.asciidoc | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/bitcoin-fundamentals-review.asciidoc b/bitcoin-fundamentals-review.asciidoc index 136d18d..06a774d 100644 --- a/bitcoin-fundamentals-review.asciidoc +++ b/bitcoin-fundamentals-review.asciidoc @@ -45,7 +45,7 @@ It is impossible to reverse this calculation. Given a public key +K+, one cannot Another important tool used extensively in Bitcoin, and in the Lightning Network, are _cryptographic hash functions_ and specifically the +SHA-256+ hash function. -A hash function also known as a _digest function_ is a function that takes arbitrary length data and transforms it into a fixed length result, called the _hash_, _digest_, or _fingerprint_. Importantly, hash functions are _one-way_ functions meaning that you can't reverse them and calculate the input data from the fingerprint. +A hash function, also known as a _digest function_, is a function that takes arbitrary length data and transforms it into a fixed length result, called the _hash_, _digest_, or _fingerprint_. Importantly, hash functions are _one-way_ functions meaning that you can't reverse them and calculate the input data from the fingerprint. [[SHA256]] .The SHA-256 cryptographic hash algorithm