Blockchain: How can we use it and what skills are required to learn?

Most likely you have already come across the term blockchain which is taking the tech world by storm these days. Put simply, blockchain can be considered as a digital ledger where facts are kept in data blocks. These data blocks are connected to each other through cryptographic validation. The entire system leads to an immutable record of data which is managed by a cluster of computers. Let’s see some most common use cases of blockchain to understand why experts call it one of the biggest disrupting innovations ever.