The blockchain technologic assets can potentially revolutionise the fintech and non-fintech world in term of operations speed, cost reduction, fee avoidance, transparency, immutability, intermediaries remotion and security.Nowadays, hundreds of different blockchains are on the market; however, the most relevant one is by far Ethereum.In the last few years, Ethereum has evolved under many aspects: becoming increasingly efficient, scalable and sustainable.Ethereum was the first network to introduce smart contracts, programs where currencies and assets can be transferred into and which use their code for automatically validating conditions, determining if an asset should go to one person or get back to the sender.Despite the destructive aspect of the current economical architecture, the world juridical framework has been in favour of new payment methods and financial entities.