What is blockchain, exactly? Blockchain is often associated with bitcoin, the cryptocurrency it enables, but blockchain is far more than a cryptocurrency enabler (it has been used for medical records, copyright protection and voting records). At its core, blockchain is made up of blocks of transactions. Once those transactions are finished, the blocks are added to the chain. Each block is secured using cryptography. While blockchain is largely a male-dominated industry, it can be used as a tool for gender equity and inclusion.