According to the Planet Daily, Bank of China Co., Ltd. has applied for a patent called "SDK update method, device and computer equipment based on blockchain", with publication number CN117369845A and application date of September 2023. The patent abstract shows that the application relates to the field of Internet technology, in particular, a blockchain-based SDK update method, device, computer equipment, storage medium and computer program product. The server obtains the description information when the SDK is generated, stores the description information in the blockchain, and determines the change information of the SDK when it detects changes in the SDK, and stores the change information in the blockchain. At the same time, it can also send change notification information to the SDK client to instruct the client to update the local SDK.