Supporting the digital achievements of leading organizations
Trustworthy, effective, secure, verifiable, and traceable
The contract lock platform strictly follows industry regulations in its research and development design, and has authoritative qualifications such as CMMI3, Level 3 security, and certification for testing classified information system products. It adopts three member separation and proprietary KEY technology to achieve permission isolation and seal security control; Equipped with information tamper proof, privacy protection, full chain digital authentication, and AI intelligent risk control capabilities, providing secure and compliant digital trusted services for medium and large organizations.

Identity Security

Based on the authoritative digital certificate, it provides Real-ID verification and verification services for other biz system, so that every user in the system has a real identity, and every operation is undeniable!
Personal identity security
Supported by the authoritative CA digital identity certificate, the Qiyuesuo provides multiple online authentication methods such as face recognition, Alipay, mobile phone number, bank card, etc., and issues trusted digital ID certificates for individual user IDs to ensure the authenticity of user identities and data.
Organization identity security
The enterprise organization provides business license, tax registration certificate, legal person ID card, legal person power of attorney, and operator ID card, all of which are connected with the industrial and commercial and public security related identification systems, so that each organization's identity signed on the Qiyuesuo is authentic and reliable, and ensure legal validity.

Secure Seal Usage

In response to the security issues that exist in the management and use of seals by medium and large organizations, Contract Lock provides digital seal control services that can review operational compliance, block risks, and control seal security.
Seal operation complies with management system requirements
Support configuring system permission and process systems in accordance with the enterprise's "Seal Management System", integrating AI intelligent automatic scanning to detect whether various settings and operations comply with the system requirements, ensuring that all seals are accurately controllable and used in compliance.
Intelligent identification and blocking of seal risks
The AI risk engine monitors abnormal seal usage behavior in real time, such as stamping on blank pages, unauthorized use of seals, incorrect stamping, non working time use of seals, etc., automatically triggers warnings or blocks, intercepts illegal operations from the source, and automatically prevents seal risks.
Exclusive KEY technology to prevent seal theft
Introduce proprietary KEY technology to bind seals with user digital certificates, and achieve non storage and non landing of private keys, further enhancing the security implementation of electronic signatures required by the Electronic Signature Law to be fully controlled by users, and preventing seal theft.
Authorized use of seals to prevent unauthorized use
Combining the capabilities of "approval process, identity authentication, and permission management", ensure that all seal operations are process driven, authorized, and recorded throughout the process, ensuring that management is informed of the use of each seal and preventing unauthorized use of seals.
All forms of seals are safe and controllable
Establish a unified digital seal library, whether it is electronic seals, physical seals, UKey seals, or mobile signatures, authorized for use through a platform to ensure that all forms of seals are dynamically controllable and leave traces of use, ensuring seal security.
Separation of three members to achieve authority supervision
The system implements the separation and supervision of the three personnel permissions of "system administrator, seal administrator, and security auditor", achieving the separation of powers of seal "management, use, and operation and maintenance", and ensuring the security of seals and data.

Data Security

The Qiyuesuo is based on authoritative digital signature and uses security encryption technology to ensure that the organization's signature data is automatically recorded, anti-counterfeiting and tamper proof!

Anti tampering of operation log

The electronic seal system of the Qiyuesuo adopts the three-Role separation design, and has independent audit function. The system automatically records all kinds of seal making, downloading, and signing data, forms an operation log and adds digital signature to prevent tampering in the whole process.
Application Products

Anti tampering of operation log

The electronic seal system of the Qiyuesuo adopts the three-Role separation design, and has independent audit function. The system automatically records all kinds of seal making, downloading, and signing data, forms an operation log and adds digital signature to prevent tampering in the whole process.
Application Products

Signing documents to prevent theft and tampering

The Qiyuesuo uses asymmetric encryption and digest algorithm to ensure that each electronic file is not stolen or tampered with during transmission. Even the internal technical personnel of the Qiyuesuo cannot see the contents of your files.

Signing documents to prevent theft and tampering

The Qiyuesuo uses asymmetric encryption and digest algorithm to ensure that each electronic file is not stolen or tampered with during transmission. Even the internal technical personnel of the Qiyuesuo cannot see the contents of your files.

system security

All the hardware of the Qiyuesuo has been tested by the relevant national security institutions to achieve the adaptation of the whole industry chain of information and innovation. All the software has been designed and developed according to the bank security level, and has the same legal validity as the paper signature.
Rigorous identity authentication
The Qiyuesuo of individual users is integrated with the eID electronic identity system of the Ministry of Public Security, and the identity is verified online in real time to ensure the true identity of the signatory; The enterprise legal person user, Qiyuesuo, certifies the enterprise through docking with the industrial and commercial system.
Authoritative CA issues digital certificate
The Qiyuesuo has been connected to major CA centers nationwide to verify the legitimacy and validity of digital certificate and ensure that the signature authenticated by digital certificate is legally valid.
Protective pressure measurement of printing controller
The printing controller is made of pure metal material, fully enclosed and isolated on all four sides. After performance testing, it has the functions of anti replacement and anti violent cracking, effectively preventing the risks encountered when taking out seals.
Bank level security protection
The Qiyuesuo adopts bank level security protection means, from the underlying service architecture to the front-end business logic design and development, to comprehensively guarantee the security of the agreement signed between you and the customer.
Your information is only visible to you
Docking with the CA center, through digital certificate encryption, you can only open and browse with a real and effective digital electronic certificate. Even the internal technicians of the Qiyuesuo can't see your file content.
Anti tampering encryption method: encryption standard
SHA-256 hashing technology verifies that files will not be modified, allowing you to verify the authenticity and tamper proof nature of the files. Even internal personnel of the Qiyuesuo cannot modify your document.
Comprehensive backup strategy
The Qiyuesuo provides financial security backup at the bank transaction level. In addition to local backup, it also provides remote backup to ensure the data security security and integrity of all customers. Fully backed up to prevent information loss.
Financial grade secure storage
Qiyuesuos provide you with a secure storage environment of financial grade. All documents on the Qiyuesuo are transmitted using AES standard 256 bit SSL encryption to prevent tampering, ensure authenticity and validity.
International Standardization Information Security
According to the information security management system standards of the International Organization for Standardization (ISO), a scientific and effective management system has been established to protect users' personal information.

Legal Validity

The Qiyuesuo guarantees that all documents signed through the Qiyuesuo have the same legal validity as those signed on paper, ensuring the safety and compliance of digital archives!
The Qiyuesuo is designed and developed in full compliance with relevant national laws and regulations to ensure the legitimate rights and interests of all users
Qiyuesuo cooperates with several national CA centers to provide users with professional digital certificate services
Record the process of contract signing in detail, form a log for downloading, consulting, and providing third-party evidentiary services
Cooperate with Notarization office, judicial expertise center, law firm and arbitration commission to provide users with more comprehensive Notarization and judicial services
How does the Qiyuesuo provide a reliable electronic signature and electronic evidence chain?
What are the national laws and regulations followed by Qiyuesuos?
How do national laws and regulations stipulate the legal validity of electronic contract?
The Qiyuesuo performs Real-ID verification for individual/enterprise users to ensure the authenticity and reliability of the identity of the signing entity
Individual or enterprise users can not only use their own digital certificate, but also obtain digital certificate issuance and authentication through the Qiyuesuo
The Qiyuesuo, together with the authoritative Notarization office, will deposit the signed contract and hash fingerprint of the signing process of the user for quick Notarization and certification
A nationally renowned law firm provides legal aid
Aligning with global standards to assist your internationalization