How to build a blockchain

Why write about Blockchain?

After more and more people asked me how a blockchain works, I decided to write about it. For the visualization a small test tool was written in C#.

A block chain is a continuously expandable list of data sets, called „blocks“, which are linked together by cryptographic methods. Each block typically contains a cryptographically secure hash (scatter value) of the previous block, a time stamp and transaction data.

The idea of Blockchain is not new. Stuart Haber and W. Scott Stornetta described the first principles of cryptographically secured linking of individual blocks in 1991.

Weiterlesen