However, if you want to achieve in the electronic contract electronic signatures, at the same time, can not let the other party to amend the terms of the contract, you should choose to click on the "Verify Documents", or "verify a signature." In this way, users open the signature to verify your document will show the "effective verification documents have been", as follows:

the so-called "documents have to verify", that is Adobe Acrobat or Adobe Reader will be online real-time search of the GeoTrust Certificate Revocation List (CRL) to verify the signature of the certificate used by the effectiveness of this feature due to Adobe Reader and Adobe Acrobat in GeoTrust has been pre-installed the directory server (LDAP), which greatly simplifies the convenience and security document B2B and B2C exchange a list of the management of the trust. As follows: