At the WEGA SBW Haus des Lernens and OriginStamp demonstrated how easy it is to use blockchain technology. As a small glimpse into the future it was demonstrated how certificates and test results can be anchored in the blockchain in a manipulation-proof way.

The blockchain is secure under certain conditions and cannot be manipulated. But not every blockchain that can be found out there is secure.

A PPT presentation on blockchain technology for download. From Bitcoin's history to use cases to challenges, various topics are covered and commented.

Top 10 insider commentaries on Bitcoin and Blockchain.

Bitcoin is an example of a public blockchain, hyperledger of a consortium blockchain and a multichain of a private blockchain. What are the differences?

Blockchain-based trusted timestamping can be a very useful tool for ensuring data integrity for many applications. Nevertheless, it is crucial to understand what it can prove and what it cannot prove.

How, in the event of a dispute, can an author prove that he had already created the work at a certain point in time?