Born in Tokyo in 1994, Ishikawa founded an AI-related company at the age of 19 and later sold it. First encounterd blockchain in 2017 and founded Gaudiy the following year. As an individual, he also serves as a blockchain-related technical advisor for Gundam Metaverse, LINE Pay, Mainichi Newspaper, and others. In 2020, he published a paper on the NFT auction with Prof. Sakai of Keio University and others.