How Do We Know that a Digital Work of Art Is Authentic?

Cristina de Juana Ortín , UNIR - Universidad Internacional de La Rioja Anyone who has read a little bit about cryptocurrencies will have thought that there should be “something” to prevent a person from spending the same coin twice. And also to avoid counterfeiting in transactions. Well, that “something” is the blockchain. We refer to a decentralized and secure database where information is recorded in chained blocks, hence its name. With the ch…