> ## Knowledge Base Index
> Fetch the complete knowledge base index at: https://help.smartcertificate.com/sitemap.xml
> Use this file to discover available pages before exploring further.
> Pure-Markdown content can be obtained by appending a '.md' suffix to the content URLs listed in the sitemap (without the trailing slash).

# How to ensure the longevity of the issued documents?

The documents is secured, timestamped and signed by using a blockchain protocol (Bitcoin). Through this approach the integrity and authenticity of the document is secured and guaranteed independently of any third party provider without any time frame limitation.