1. Handwritten signature: Write your name or abbreviation on paper, and add your personal characteristics. The handwriting is clear and beautiful, ensuring that others can easily recognize your signature.
2. Electronic signature: Using digital certificate or signature software to realize electronic signature can process files faster and more conveniently, and it is also safer.
3. Seal signature: Using the seal as the signature method can improve the authority of the signature.
4. Handwritten font signature: Using electronic fonts to imitate handwritten signatures and complete the signature process can make electronic documents more personalized.
5. Voice signature: by recording your own voice to sign, you can confirm the identity of the signer through the characteristics of voice waveform, frequency and tone.