Sidewalk window in Coimbra, Portugal. Photo by the author.

What is Cryptocurrency

Blockchain and NFT

“The blockchain is an incorruptible digital ledger of economic transactions”

Cryptocurrency is a digital or virtual coin secured by cryptography, which makes it next to impossible to counterfeit.

A cryptocurrency or “crypto” is a digital currency that can be used to buy goods and services. It uses an…



Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Regia Marinho

Regia Marinho


I write about the ideas, art, technology, the future and people shaping web3. Visual artist. Civil engineer. https://linktr.vee/regiaart