CEO Blog

A virtual club to communicate with peers and users in the cryptographic industry
Meet friends on blog, it is my mission to popularize cryptographic knowledge, cryptographic application and zero trust ideas.

E-contract and E-mail, Two in One

E-contract and E-mail, Two in One

This article discusses how electronic contracts and emails can be combined into one. Users can use ZT Browser to complete the digital signing of electronic contracts with one click when sending emails. This is simpler than signing contracts on traditional e-contract signing platforms that no need to upload the original contract document, and it can better protect the security of users' contract confidential information. It is also completely free.

November 25, 2024Read more
The day email encryption becomes commonplace is the day fraud emails die

The day email encryption becomes commonplace is the day fraud emails die

Fraud emails have caused a global loss of $55.5 billion over the past decade. This article proposes a complete solution to eradicate email fraud - popularizing email encryption application. This article also shows how ZT Browser UI specifically displays email identity information, which effectively prevents email fraud.

November 14, 2024Read more
How does ZT Browser automate the implementation of trusted email timestamping service?

How does ZT Browser automate the implementation of trusted email timestamping service?

This article discloses in advance the email timestamping service provided by ZT Browser innovation in the world, so that every email sent by ZT Browser can automatically realize the trusted proof of email sending time like regular mail has a postmark proof.

November 11, 2024Read more
How does ZT Browser automate key management?

How does ZT Browser automate key management?

The third challenge of S/MIME email encryption is key management, this article discloses how ZT Browser automates key management, and only by automatically managing keys can email encryption be truly automated.

November 7, 2024Read more
How does ZT Browser automate public key exchange?

How does ZT Browser automate public key exchange?

The second difficulty of S/MIME email encryption is public key exchange. This article discloses how ZT Browser realizes the automation of public key exchange. Only by realizing automatic exchange of public keys can email encryption automation be truly realized.

November 4, 2024Read more
How does ZT Browser realize the automatic email certificate management?

How does ZT Browser realize the automatic email certificate management?

This article explains how ZoTrus Technology realizes automatic email certificate management, only by automatically configuring email certificates can automatic-email-encryption be realized, and only by popularizing email encryption can we ensure the security of email content in transit and in the cloud.

October 30, 2024Read more
Cloud and Privacy Can Be Both

Cloud and Privacy Can Be Both

This article reveals in advance how the ZT Browser Email Encryption Service uses email encryption technology to protect the confidential information of users' address books, cleverly solving the contradiction between cloud services and privacy protection, allowing both to be achieved.

October 28, 2024Read more
Email encryption still has a long way to go with a heavy load

Email encryption still has a long way to go with a heavy load

This article summarizes the advantages and disadvantages of various email encryption solutions and reviews the author's 20 years of email encryption research. The author hope that readers will have a clear understanding of email encryption technology and choose the right email encryption solution.

October 22, 2024Read more
Email is bound to become a core application of Web 3.0

Email is bound to become a core application of Web 3.0

This article summarizes the development history of the Web and draws an important conclusion: Email will become a core application of Web 3.0, and to achieve this goal, email encryption automation is the key.

October 16, 2024Read more
Only by Automating End-to-End Encryption Can Truly ensure Email Security

Only by Automating End-to-End Encryption Can Truly ensure Email Security

This article explains what true end-to-end encryption is and what kind of end-to-end encryption users should choose to truly protect the security of their email confidential information. This article also briefly introduces the upcoming ZoTrus email encryption automation solution.

October 11, 2024Read more
Email Needs Zero Trust

Email Needs Zero Trust

4 billion emails are sent worldwide every month, 90% of cyberattacks start with phishing emails, 97% of people cannot accurately identify phishing email scams, and Gmail blocks more than 100 million phishing emails every day. What do these data means?

October 9, 2024Read more
ZT Browser Patches the SM2 Algorithm for Windows

ZT Browser Patches the SM2 Algorithm for Windows

ZT Browser has done another big thing - patching Windows to make Windows perfectly support the SM2 algorithm, so that Windows users around the world can verify and view the SM2 SSL certificate normally and choose the SM2 algorithm for global users to ensure global Internet security.

May 16, 2024Read more
Fake Websites are Rampant, What must Browsers Do?

Fake Websites are Rampant, What must Browsers Do?

Fake and fraudulent websites are rampant, and browsers must do something to prevent users from falling for them. ZT Browser's green address bar displays the trusted identity of the website, which helps users identify fake websites efficiently and simply, and can effectively prevent being deceived on fake websites. Use ZT Browser to surf the Internet now.

May 13, 2024Read more
Create an Intranet SSL Certificate Application Ecosystem

Why ZT Browser Launch Trusted Root Program for Intranet SSL Certificate?

The security of intranet traffic requires the intranet SSL certificate. It also requires a browser to trust the intranet SSL certificate issued by the CA. And it requires a browser to take the lead in formulating the baseline requirements for intranet SSL certificates. ZT Browser is the first in the world to support intranet SSL certificates to ensure the security of intranet Web traffic.

April 24, 2024Read more
Create an Intranet SSL Certificate Application Ecosystem

Create an Intranet SSL Certificate Application Ecosystem

Deploying an intranet SSL certificate is the only reliable solution to ensure the security of intranet web traffic, but the application of intranet SSL certificate is an ecosystem problem, and there must be corresponding ecosystem products to truly realize the popularization and application of intranet SSL certificates.

April 22, 2024Read more
Intranet SSL certificates must also support certificate transparency

Intranet SSL certificates must also support certificate transparency

ZoTrus SM2 Certificate Transparency system supports SM2/RSA/ECC algorithm SSL certificates, which is the first in the world, providing technical exploration, operation and maintenance practices for the unified transparency management of RSA/ECC SSL certificates and SM2 SSL certificates.

April 22, 2024Read more
Intranet SSL Certificate is the Must for Intranet Web Security

Intranet SSL Certificate is the Must for Intranet Web Security

Intranet web security requires intranet SSL certificate and browser that trust the intranet SSL certificate. CerSign Intranet SSL Certificate plus the completely free SM2 browser - ZT Browser perfectly solves the problem of intranet HTTPS encryption, welcome to choose the CerSign Intranet SSL Certificates and ZT Browser.

April 22, 2024Read more
ZT Browser’s Plan for 2024

ZT Browser’s Plan for 2024

ZT Browser will do four things in 2024, two trusted root programs for document certificate and intranet SSL certificate, and two products research and development for email encryption automation service and document signing automation service.

March 18, 2024Read more
In 2023, ZoTrus Contributed China's Solutions to Global Internet Security

In 2023, ZoTrus Contributed China's Solutions to Global Internet Security

Looking back on 2023, ZoTrus has not failed to live up to its glory and contributed China's solutions to global Internet security. Looking forward to 2024, ZoTrus will continue to provide more innovative products and services for global Internet security.

December 29, 2023Read more
What is LTV? How to make document digital signature valid for a long time?

What is LTV? How to make document digital signature valid for a long time?

This article clearly explains LTV and explains why Adobe Reader can display the LTV feature even if the document does not have a timestamp. It also explains clearly why ZT Browser changed the name of LTV with timestamp to "Strict LTV". Supporting LTV technology is a must for document digital signature.

October 16, 2023Read more
Document security needs to be “Visible”

Document security needs to be “Visible”

E-document readers have no way of knowing whether the identity of the document publisher claimed by the PDF document is authentic and trustworthy. How to do? ZT Browser PDF Reader has 5 innovative UIs to make documents security "visible". This article explains these 5 major innovations in details.

October 11, 2023Read more
All browsers will display the digital signature of PDF documents as default

All browsers will display the digital signature of PDF documents as default

The browser can not only browse PDF documents seamlessly, but also should be able to verify digital signatures in PDF documents and display the identity information of the digital signer. This will be the default function of all browsers, and ZT Browser is the first in the world to innovate and realize it perfectly.

October 11, 2023Read more
All e-documents require zero trust

All e-documents require zero trust

All e-documents without digital signatures are not trustworthy, because anyone can easily create a PDF document that claims to be issued by someone or a certain organization. How to do?

October 11, 2023Read more
ZT Browser Makes Certificate Transparency more Transparent

ZT Browser Makes Certificate Transparency more Transparent

ZT Browser displays certificate transparency information under the padlock in the address bar, including international certificate transparency and SM2 certificate transparency, so that users can know who provides certificate transparency services, which is conducive to the healthy development of certificate transparency ecology.

August 8, 2023Read more
How does the browser identify the type of SSL certificate?

How does the browser identify the type of SSL certificate?

This article explains clearly how the browser identifies the type of SSL certificate. The author hopes that all ZT Browser trusted CA can upgrade the CA system in time and add the correct certificate type OID to the issued SM2 SSL certificate so that the Browser can display it correctly.

August 8, 2023Read more
How long should the SM2 SSL certificate validity period?

How long should the SM2 SSL certificate validity period?

This article clarifies how the validity period of the SSL certificate is determined and gives the principle of determining the validity period of the SM2 SSL certificate - refer to international standards. It is hoped that the CA trusted by ZT Browser can adjust the SM2 CA system in time to ensure the security of the SM2 SSL certificate.

August 8, 2023Read more
What kind of SM2 browser is needed for the cryptography compliance reconstruction?

What kind of SM2 browser is needed for the cryptography compliance reconstruction?

This article explains in detail what a SM2 browser is, what kind of SM2 browser users need, and what are the special differences from the ZT Browser. Welcome to choose ZT Browser, a completely free, clean, and ad-free SM2 browser that exclusively supports the SM2 Certificate Transparency in the world.

August 8, 2023Read more
The 90-day SSL certificate countdown begins, am I ready?

The 90-day SSL certificate countdown begins, am I ready?

The 90-day certificate countdown has begun, but it's not scary! ZoTrus Technology already has a complete solution available; you only need to choose the appropriate solution according to your business needs in advance and implement this solution. Once implemented, you will completely get rid of the trouble of SSL certificates and enjoy worry-free https encryption.

April 21, 2023Read more
The UI innovation practice of ZT Browser

Google wants to “Move together” or “Remove” other CAs?

This article gives a solution to Google's plan to shorten the validity period of SSL certificates to 90 days. This solution is not ACME Client software, but the SM2 ACME Gateway hardware and SM2 ACME Cloud service. This is the only feasible solution.

March 14, 2023Read more
Website security needs to be Visible

Apple, Google, Mozilla, Opera, what are you afraid of?

ZT Browser's application to become a browser member of the CA/Browser Forum was jointly rejected by Apple, Google, Mozilla, Opera. The author wants to ask these browser giants: what are you afraid of? Is it afraid that a browser from China has the right to vote in international standards organization?

January 28, 2023Read more
Website security needs to be Visible

Website security needs to be "Visible"

Website visitors have no way of knowing whether the website they are visiting is secure, so how can website visitors know it at a glance? ZT Browser has 5 innovations that make website security "Visible". This article explains these five innovations in details.

October 24th, 2022Read more
Who will secure the SM2 SSL certificates?

Who will secure the SM2 SSL certificates?

The Certificate Transparency mechanism has successfully protected the security of 7.4 billion globally trusted SSL certificates. Can we learn from this mechanism to ensure the security of the SM2 SSL certificates? The answer is YES, definitely! That is the SM2 Certificate Transparency mechanism.

September 30, 2022Read more
Who is securing the world’s 7.3 billion SSL certificates?

Who is securing the world’s 7.3 billion SSL certificates?

This is a question that everyone may not care about. To ensure the security of the website, it is necessary to apply for and deploy an SSL certificate. So, who is securing the global trusted SSL certificates? This article is easy to understand, the metaphor is appropriate, and it explains the certificate transparency clearly that worth reading!

September 13, 2022Read more
China online banking start to use SM2 algorithm https encryption

China online banking start to use SM2 algorithm https encryption

The Russia-Ukraine conflict caused the RSA SSL certificate deployed by Russia’s online banking to be revoked, and all users cannot access the online banking system normally. China's online banking systems are also deployed RSA SSL certificate that may be revoked at any time. How to prevent the risk of revoking, the Bank of China has given the correct answer.

August 01, 2022Read more
Popularize the application of SM2 SSL certificate, starting from popularizing the use of SM2 browser

Popularize the application of SM2 SSL certificate, starting from popularizing the use of SM2 browser

To popularize the application of the SM2 SSL certificate, we must first have a browser that supports the SM2 algorithm and popularize the use of SM2 browser. Browsers (including mobile Apps), SSL certificates and web servers all support the SM2 algorithm to setup a SM2 certificate application ecosystem.

June 17, 2022Read more
ie-bye-no-bye-to-green-address-bar

IE, Bye Bye! Green address bar, No Bye Bye!

On June 15th, IE browser, which has served users for 27 years, officially said goodbye to global Internet users. The author will not complain about many things about IE browser. Let’s write something about miss IE browser.

June 16, 2022Read more
Website identity is displayed as green address bar, greatly welcomed worldwide

Website identity is displayed as green address bar, greatly welcomed worldwide

By analyzing the access statistics of the ZT Browser website, the users of ZT Browser have covered 33 countries and regions around the world within 10 days of its release. Why is it so popular? This article is interpreted based on the content of the presentation originally planned to speak at the CA/Browser Forum.

June 10, 2022Read more
Displaying website identity is the browser's obligation

Displaying website identity is the browser's obligation

At present, browsers no longer display website identity information in the address bar, which has caused many websites to have deployed an EV SSL certificate that organization name do not correct. This article has screenshots to show that only ZT Browser can correctly display the website identity information, which helps to prevent these mismatches happening.

2022.6.1Read more
The green address bar is back

The green address bar is back

Maybe some readers have noticed that the green address bar of browsers that was often seen when surfing the Internet is gone. Where has the green address bar gone? Why was there a green address bar before, but not anymore? The author answers these questions in detail in this article.

2022.6.1Read more
Why does ZT Browser provide Website Security Rating Service for free?

Why does ZT Browser provide Website Security Rating Service for free?

The website has an open door (port 80). To deploy an SSL certificate to establish an encrypted channel, another door (port 443) needs to be opened. If the security management of this door has loopholes, it will add a new insecure channel. What to do?

2022.6.1Read more
WAF is Zero Trust to Web Traffic

WAF is Zero Trust to Web Traffic

WAF is Web Application Firewall. What does it do? Please see the screenshot of Alibaba Cloud WAF protection statistics for ZoTrus website to know the role of WAF. How to effectively show that the website has WAF protection? ZT Browser has great innovation.

2022.6.1Read more
What is the first principle of Zero Trust?

What is the first principle of Zero Trust?

Speaking of zero trust, everyone knows the importance of identity validation, and it is necessary to always verify the identity, but they all ignore an important principle, and ignore the constant verification of an important element. What is it? This article has the answer.

2022.6.1Read more
Website identity trust is as important as https encryption

Website identity trust is as important as https encryption

At present, the industry emphasizes the importance of implementing https encryption for websites, which is very good and has achieved great results. However, ignoring the importance of the trust of the website's identity, the fake and fraudulent websites also have the security padlock, how to do?

2022.6.1Read more
The things about SM2 SSL certificate

The things about SM2 SSL certificate

This article will talk about the various SM2 SSL certificate problems found by ZT Browser when processing the SM2 root certificate inclusion application from many CA operators. I hope this article can help improve the SM2 SSL certificate technologies of the parties involved in the SM2 SSL certificate.

2022.6.1Read more
ZT Browser is a free SM2 algorithm supported browser

ZT Browser is a free SM2 algorithm supported browser

In order to popularize the SM2 algorithm and the SM2 SSL certificate to realize the SM2 https encryption, a browser must support the SM2 algorithm and trust the SM2 SSL certificate issued by the CA. ZT Browser has done a very good job in this regard.

2022.6.1Read more
Why the first product launched is a browser?

Why the first product launched is a browser?

Everyone is familiar with browsers. There are already many browsers on the market. Why the first product of ZoTrus Technology launched is a browser? As the CEO, this article interprets the reasons and mysteries.

2022.6.1Read more
Richard_wang

Dear Readers,

Since the subtitle of the CEO blog is “Meet friends on blog”, as a scientific and technological worker rather than a literato, please do not care whether the grammar of the blog post is correct, but whether the article can help you understand PKI technology, cryptographic and zero trust. I have 30 years of experience in the IT industry, including CA, cryptography, software development, Internet, Internet security etc. Over the years, I have participated in many important domestic and international academic conferences, to understand the differences between Chinese and Western cultures and the latest technological frontiers. And has published many academic articles in newspapers and periodicals. In company operation, the two companies I founded have been acquired by a public listed Internet security company, and one of them is a CA that had won the sixth place in the world in the SSL certificate market and the first in the Chinese market.

I firmly believe that my article will bring value to readers both academically and company operation. thanks.

Welcome to follow the official WeChat of ZoTrus: zotrus, which will push each new blog in real time, so that you will not miss every wonderful blog post.


April 20, 2022
in Shenzhen, China