Service Providing cheap digital signature with all network operators in Vietnam with many after-sales and support for use lifetime for customers

Saco Ac has provided the service digital signature with more than 5 years of experience, currently Currently being the general agent distributing digital signatures of all network operators in Vietnam

The price policy is the most competitive on the market, you will see the digital signature price lists below are the most competitive on the market

The staff enthusiastically supports you in usage, with a commitment to following you throughout the usage process

In particular, we have many diverse services, and will support "free" to the maximum possible limit if you have needs in other services

You can refer to the function Menus above, you will find many services you need in the process of building your business. And, we have been providing those services for over 10 years

So this is the biggest difference we have, and you cannot consider choosing Saco Ac as the provider of digital signature solutions for your company

The criterion is to save money for you, so that you can accompany us

With more than 5 years of providing and many services, it will bring more value than you expect

Digital signature is known as a series of complex encoded characters in the form of electronic data that can only be viewed on a computer, and is only provided to a certain individual or subject. determined.

In a simple way, a digital signature is a device that encodes all information data of a business or individual, used instead of a signature on various types of documents and digital documents. carried out in electronic transactions or over the internet.

Digital signature in English is "digital signature", do not confuse it with electronic signature "electronic signature", although often used interchangeably, they do not have the same meaning at all.

A hardware device to create a public and private key pair, the key pair always comes together. You can also use digital signature USB to electronically sign online transactions with tax authorities, customs and electronic banks...

• Private key: stores confidential customer information. This private key is responsible for creating a digital signature, storing and protecting the safety of this secret key.
• Public key: this key contains the customer's public information.

In each USB digital signature there will be a unique series of 8 or 10 characters. When you click the button on the digital signature, a series of numbers including random codes will appear. Each code will appear on the screen and change for a certain time, it is only valid for a specific transaction and a specific customer.

This code is generated from a very complex algorithm and there have been no cases of successful cracking.

Structured based on RSA technology - public encryption technology: Each business unit or individual business will have a key pair consisting of a private key and a public key.

• Secret key: used to create digital signatures and belongs to an asymmetric system.
• Public key: used to check whether the digital signature was created by the corresponding private key in the key pair and belongs to the asymmetric encryption system.
• Signer: is the subscriber who uses his/her private key to digitally sign certain data under his/her name.
• Recipient: organization or individual who receives the signer's data to check the digital signature and then conduct related transaction activities.
• Digital signing: is the act of inserting a secret key and attaching a digital signature to that data.

The more digital signatures are used, the more types of digital signatures appear on the market, and the most widely used are still the following types of signatures:

• USB digital signature type: Widely used in businesses to digitally sign vouchers, invoices, documents... When using, users need to install a digital signing utility on the computer and plug the USB into the computer. Then log in with your digital signature using your pin code.
• HMS digital signature type: Used in businesses with large infrastructure to serve and protect digital signature applications that require high speed in encryption authentication. In addition, users can also sign thousands of digits at once instead of signing 4-5 signatures per minute.
• Smart Card digital signature: when using this digital signature, users can quickly and flexibly sign on mobile phone devices. However, this type of digital signature is still of limited use because it depends on the SIM and the risk when the subscriber is out of coverage area.

Today digital signatures have become more popular and are applied to many businesses or individual organizations for the following purposes:

• Declaring taxes and paying taxes electronically.
• Electronic customs
• Electronic social insurance
• Electronic invoice
• Online bidding
• Used for state treasury
• Sign contracts, electronic certificates

Digital signatures are highly appreciated by users for their convenience as well as absolute safety and security features.

During electronic transactions, digital signatures meet legal requirements, are able to ensure integrity and determine the author's identity. Electronic digital signature transactions have the same value as paper documents, so digital signatures are considered the only method to determine the legality of electronic documents. In addition, digital signatures also bring many other benefits such as:

• Safe and secure: encryption is created using a very complex algorithm so it is never affected by a third party.
• Prevent the possibility of forgery: According to research by experts, the possibility of forging a signature is extremely low, while the possibility of forging a hand signature is 60-70%.
• Save time and money: Instead of having to print tons of documents and hand-sign each document, digital users can quickly sign a series of documents right on their computer. without having to spend any effort.

Currently there are no regulations forcing businesses to use digital signatures in business activities. According to Clause 3, Article 26 of the 2020 Enterprise Law, organizations and individuals have the right to choose to use digital signatures in accordance with the law on electronic transactions.

However, in some special cases it is required to use digital signatures

According to Tax Administration Law No. 78/2006/QH issued: Enterprises with information technology infrastructure located in provinces and cities are required to declare and pay taxes via the internet. .

According to Decree 119/2018/ND-CP and Resolution 01/NQ-CP, businesses are required to use electronic invoices.

According to Circular No. 32/2011/TT - BTC of the Ministry of Finance issued on March 14, 2011, instructions on the content of electronic invoices are as follows:

• Electronic invoices must have an electronic signature according to legal regulations of the seller, date of creation and sending of the invoice.
• In case the buyer is an accounting unit, there must be an electronic signature according to the provisions of law.
• Some cases where electronic invoices do not provide all required content are implemented according to separate instructions from the Ministry of Finance.

According to Decision 838/QD-BHXH, businesses and individuals are required to register, declare and submit electronic insurance reports.

In the process of claiming social insurance, businesses need to use digital signatures to:

• Register electronic Social Insurance transactions with Vietnam social insurance agency.
• Submit the application to the social insurance agency after completing the data entry steps.

To avoid fake digital signatures, buyers should carefully research the brand and product quality when purchasing. And on the market there are many reputable digital signature providers at extremely cheap prices.

Special mention is Saco Inc - A unit specializing in providing all types of cheap digital signatures in Vietnam and users are very satisfied.

Saco Inc has more than 5 years of experience providing digital signature services with a team of professional staff who always support customers 24/7 in the most dedicated way.

Saco Inc – A provider of digital signatures at good prices

Digital signatures at Saco Inc are not only diverse in quantity, but they also invest a lot in quality.

When customers buy digital signatures here, they will enjoy attractive promotions and reasonable prices for each product.

Therefore Saco Inc is the best choice for customers who are interested in digital signature services to serve their businesses and organizations

Digital registration documents include:

• Notarized copy of business license
• Copy of registration certificate with notarized stamp.
• Notarized copy of registration certificate.
• Notarized copy of ID card/citizen identification card, passport of the legal representative of the business owner.

Digital signature renewal documents are similar to registration documents, including:

• The digital signature has expired
• Notarized copy of business license
• Notarized copy of ID card/CCCD of passport of legal representative of business owner.