Electronic handwritten signatures are mainly identified by handwriting! Handwriting is one of the biological characteristics. Everyone's handwriting is different every time, but there will be certain rules. If you follow certain rules, you can identify whether a person is writing.

1) Electronic signature based on the original handwriting, ensuring that each signature is different and cannot be copied, and ensuring that the signature itself is true;

2) Based on IBC identity cryptosystem, the private key is only known to the customer and cannot be tampered with;

3) Chain storage mode is adopted, all nodes form a chain, and there is no possibility of tampering;

4) Blockchain evidence is solidified and synchronized to the public chain to ensure that it will not be tampered with.