Alex Van de Sande, also known as Avsa. eth is a prominent figure in the Ethereum ecosystem. He is an Ethereum Foundation alumnus (2014-2018) and the co-founder of the Ethereum Name Service (ENS) project, which launched in 2017.ENS is a decentralized naming system built on Ethereum that allows users to associate their Ethereum addresses with human-readable names, such as "avsa. eth".Van de Sande has been actively involved in the development and promotion of ENS since its inception. In addition to his work with ENS, Van de Sande is currently a Public Goods Steward and co-founder of Higher Order Company, a new venture launched in 2023. He is known for his wit and humor on social media, as evidenced by his tweet about feeling "personally attacked by a blockchain" about the Solana network