pafin Inc. is a Tokyo-based fintech company building global Web3 infrastructure through tech-driven services in crypto, finance and investment. Founded in January 2018 by former Goldman Sachs executives Amin Azmoudeh, Gaku Saito and Shunsuke Masuda, pafin operates cryptact, a crypto tax and portfolio management platform used by more than 200,000 investors, and defitact, a portfolio tool for DeFi assets, NFTs and on-chain transactions. cryptact supports 15 reporting currencies, and for Japan, Canada, Australia and India it provides reporting features built around each country's tax rules and filing process. In Japan, cryptact holds the largest share of the crypto tax market, and its 2026 integration with Gtax, a domestic crypto profit-and-loss calculation service, cements its position as the industry standard tool for crypto tax calculation in the country. pafin is backed by investors including JAFCO, Daiwa Securities Group, Sony Innovation Fund, bitFlyer, Coincheck, Money Forward and Minkabu.