Huawei Cloud Applies for "Blockchain Smart Contract Security Processing" Patent to Enhance Contract Security

Huawei Cloud Applies for "Blockchain Smart Contract Security Processing" Patent to Enhance Contract SecurityHuawei Cloud Computing Technology Co., Ltd

Huawei Cloud Applies for "Blockchain Smart Contract Security Processing" Patent to Enhance Contract Security

Huawei Cloud Computing Technology Co., Ltd. filed a patent application in December 2023 for a "Method and Apparatus for Processing Smart Contracts of Blockchain," with publication number CN119691712A. This patent aims to improve the security of blockchain smart contracts by analyzing and processing smart contract code to mitigate potential risks. The public disclosure of this patent application further demonstrates Huawei's continued investment and technological innovation in the blockchain field, offering new directions and approaches for blockchain security research.

The patent abstract details the processing method and apparatus. The core idea is to identify risk nodes within the smart contract code and implement corresponding security measures to reduce or eliminate these risks. Specifically, the method first obtains the first syntax tree corresponding to the source contract. It then identifies risk nodes involving risky operations within this syntax tree. Next, the method processes the first syntax tree (at least once) to generate a more secure second syntax tree.

The processing methods primarily include two approaches: The first replaces a first risk node within the risk node with a first security node. The first risk node corresponds to a first risky operation, while the first security node corresponds to a first secure operation. The first secure operation is designed to replace the first risky operation, thereby reducing the risk. For example, if a risk node contains a function that directly manipulates user assets, this function can be replaced with an authorized function that only allows execution by authorized users.

The second approach adds permission checking conditions to a second risk node within the risk node. This permission checking condition verifies the caller's identity when the function indicated by the second risk node is called. Only callers meeting the preset conditions can execute the function, effectively preventing unauthorized access and malicious operations. This is similar to adding access control mechanisms in a program, ensuring that only users or programs with the appropriate permissions can access specific resources or functionalities.

These two processing methods can be used independently or in combination for optimal security. This effectively identifies and addresses various security vulnerabilities in smart contract code, such as overflow vulnerabilities, reentrancy vulnerabilities, and logic vulnerabilities, thus enhancing smart contract security and reducing economic losses and trust crises caused by smart contract vulnerabilities.

This patented technical solution offers significant advantages. It enhances security without altering the core functionality of the smart contract. Unlike solutions requiring complete rewriting of smart contract code, this approach improves security more efficiently, reducing development and maintenance costs. This is a crucial advantage for blockchain application developers, accelerating the development and deployment of blockchain applications.

This patent technology is applicable to various types of smart contracts and can be customized for different application scenarios. For example, in finance, it can enhance the security of digital asset management; in supply chain management, it can improve supply chain trustworthiness; and in digital identity authentication, it can enhance the security of identity verification. Its application range is extensive, with significant market potential.

Huawei Cloud Computing Technology Co., Ltd., the applicant for this patent, possesses extensive experience and expertise in blockchain technology. Established in 2019 and located in Guiyang, it is a company primarily engaged in software and information technology services. Its registered capital and paid-in capital are both RMB 500,000 million. Tianyancha data shows that the company has invested in 9 enterprises, participated in 1019 bidding projects, holds 315 trademarks, 3225 patents, and 51 administrative licenses. This data fully reflects Huawei Cloud Computing Technology Co., Ltd.'s strength in technology research and development and market expansion.

Huawei Cloud continues to focus on and invest in blockchain technology, actively exploring its applications across various sectors. This "Blockchain Smart Contract Security Processing" patent is a microcosm of Huawei Cloud's commitment to advancing blockchain technology and contributing to a more secure and reliable blockchain ecosystem. The company's extensive patent portfolio and active market participation lay a solid foundation for its continued leadership in the blockchain field.

This patent application marks a significant breakthrough for Huawei in blockchain security, providing crucial technological support for the application and development of blockchain technology. As blockchain technology matures and application scenarios expand, the demand for smart contract security will only increase. Huawei Cloud's patented technology will enhance smart contract security, promoting the healthy development of blockchain technology and laying a solid foundation for a more secure and reliable digital economy. This technology is expected to provide stronger security for various blockchain applications in the future, driving the application and popularization of blockchain technology in more fields. More secure smart contracts mean more reliable blockchain applications, which is crucial for the large-scale application of blockchain technology. Huawei Cloud's continued investment and innovation inject new vitality into the development of blockchain technology and contribute to building a more secure and reliable digital world. We anticipate seeing more groundbreaking advancements from Huawei Cloud in the blockchain technology field in the future.