History and Development of the Company,” “Exhibit 8.1 – List of Subsidiaries” to this annual report on form 20-F and Note 3—Basis of Consolidation” to our consolidated financial statements. D. Property, Plants and Equipment Intellectual Property We rely on a combination of trademark, domain names and trade secret laws, as well as employee and third-party nondisclosure, confidentiality and other types of contractual arrangements to establish, maintain and enforce our intellectual property rights, including with respect to our proprietary rights related to our products and services. In addition, we license technology from third parties. As of December 31, 2025, we did not own any Brazil-issued patents or registered copyrights. However, we filed a patent application on May 10, 2021 for the ultraviolet card feature before the United States Patent and Trademark Office (“USPTO”) and the Patent Cooperation Treaty system, which was granted by the USPTO on January 25, 2022.