We froth at anything got to do in this tech and will jump at the opportunity to develop a blockchain project. What is a blockchain? you may ask. Here it is under 50 words: Blockchains can be used for a wide variety of applications, such as tracking ownership or the provenance of documents, digital assets, physical assets or voting rights. Blockchain technology was popularised by the Bitcoin digital currency system. But, essentially, a blockchain is just a special kind of database.