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Sergey Barysiuk

CTO, Co-founder at PandaDoc
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Sergey is the Chief Technology Officer and Co-founder at PandaDoc. Sergey is a company owner, a technical lead, and a passionate developer. He loves creating new revolutionary products which solve business problems efficiently. Usability, UI, and code quality are very important things he always keep an eye on. He has wide experience in the software industry. Having worked as a developer, a technical lead, and a software architect, he owns a company and enjoys creating good products, inventing new things, and learning new technologies.

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  • This certificate is a personal key that encrypts the documents and guarantees their safety. When a user signs a new document with their digital signature certificate, the document is "hashed," or translated into a code. These extra steps are what makes a digital signature more secure than an electronic signature. Instead of just using a symbol, it contains your personal key, which verifies the validity of the document.

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