Protecting your artwork from unauthorized modifications is crucial in the digital age. Here are the most common and effective methods to safeguard your creative work. First, implement digital watermarking by embedding visible or invisible markers directly into your artwork files. This technique makes it difficult for others to alter your work without detection. Second, utilize metadata embedding by including copyright information, creator details, and timestamps within the file's properties using standards like EXIF data. Third, consider copyright registration with relevant authorities to establish legal ownership, which provides stronger grounds for legal action if infringement occurs. Fourth, explore blockchain technology and NFTs (Non-Fungible Tokens) to create tamper-proof certificates of authenticity and ownership for your digital creations. Fifth, employ digital rights management (DRM) tools that restrict editing capabilities or control how your art files can be used. Sixth, use low-resolution versions for online sharing while keeping high-resolution files secure. Finally, establish clear usage terms through licenses and maintain documentation of your creative process. For persistent issues, legal actions including DMCA takedown notices can be effective. Combining multiple approaches creates the strongest protection against unauthorized alterations of your artwork.