The Q4 2021 Fintech sector update from GP Bullhound highlights the growth of digital assets, particularly in the areas of custody and equity crowdfunding. Digital asset services are essential for protecting investors from theft and complying with regulatory bodies. The battle for custody has led to large-scale investments in the market. Equity crowdfunding allows the "crowd" to back companies they believe in, providing additional benefits. The report also mentions recent fintech activity, including investments in companies such as Entersekt, Onfido, and Klarna. The report concludes that DeFi and NFTs are set to rise in popularity in the coming years, with a market size estimated to reach $250 billion.