NIST report confirms Bitcoin is a fork and Bitcoin Cash is the original blockchain! by olenbarus12 at reddit171 comments
The post leads to NIST Computer Security Resource Center -
Draft NISTIR 8202 – Blockchain Technology Overview
January 2018
by Dylan Yaga, Peter Mell, Nik Roby and Karen Scarfone
Here's a brief excerpt:
...
In July 2017, approximately 80 to 90 percent of the Bitcoin computing power voted to incorporate Segregated Witness (SegWit, where transactions are split into two segments: transactional data, and signature data), which made it possible to reduce the amount of data being verified in each block. Signature data can account for up to 65 percent of a transaction block, so a change in how signatures are implemented could be useful. When SegWit was activated, it caused a hard fork, and all the mining nodes and users who did not want to change started calling the original Bitcoin blockchain Bitcoin Cash (BCC). Technically, Bitcoin is a fork and Bitcoin Cash is the original blockchain. When the hard fork occurred, people had access to the same amount of coins on Bitcoin and Bitcoin Cash.
...
