Exhibit 99.1 Q4 2023 Shareholder Letter investors.block.xyz To Our Shareholders: February 22, 2024 We’ve done a lot recently to reduce our costs. Now we’re going to focus on growth. We’re under our 12,000 people cap. This constraint forces us to prioritize more impactful work, which we believe will lead to growth. We’re going to operate under this cap until we feel it’s holding us back, which is likely years out, and continue to look critically at our organization and priorities. On the topic of people, we’ ...