Blockchain is a decentral chain of blocks that are transparent and tamper-proof. IT consultant Dennis Streichert explains it here.
About Dennis Streichert
Dennis Streichert studied IT at the DHBW Mannheim. He is interested in the newest IT trends. At the moment, he sees particular potential in the blockchain. He writes about the development of this technology on his blog https://blockchain-infos.de. He is also an IT consultant for an international software firm.