In the early morning of April 2, Xiao Bian was attracted by this news - "By Google is about to launch a cloud computing blockchain product." The reason why it was attracted, first, because cloud computing and blockchain are the most popular The two major technologies, Xiao Bian, always feel that the two collisions can stimulate tremendous energy. The second reason is that Xiaobian Intuition must have focused on research and development of "cloud computing + blockchain" products by technology companies, but few see relevant information. Today, Microsoft is finally bursting into researching cloud computing blockchain products and is ecstatic. According to reports, Google is studying how to apply blockchain technology to cloud computing services. A person familiar with the matter said that multiple teams within the company are studying blockchain technology, but the person declined to give specific details. He said: "As with many new technologies, we have different teams that are exploring the potential uses of the blockchain. For us, it is premature to speculate on any possible uses and plans." The difference between cloud computing and blockchain Cloud computing is now a mature technology and application. The definition given by the National Institute of Standards and Technology (NIST) is: Cloud computing is a pay-per-use model, which provides usable and convenient , on-demand network access, access to a configurable pool of computing resource resources (networks, servers, storage, application software, services) that can be delivered quickly, with minimal administrative effort, or with service provisioning The quotient has little interaction. This explanation is still comprehensive and easy to understand. Do not think that cloud computing will only provide storage and computing services. The essence of blockchain is distributed ledger and smart contracts. The distributed ledger is a unique database. Like a network, everyone uses blockchain to build an ecosystem. Individual distributed ledgers can always remember the fixed sequence through mathematics and cryptography, and the factual content cannot be tampered with. The smart contract is a contract between the two parties to contact each other and the rules, no one can change, to prevent redundancies. After all, the blockchain is actually something on the Internet, similar to an application protocol on the Internet. For example, when we go online, we often enter a web address HTTP. Blockchain is a protocol similar to HTTP. We all know that the HTTP protocol is used to convey information, so what is the blockchain used for? Value exchange and value transfer. We need to transfer funds online, that is, point-to-point, end-to-end, and P2P's payment of a fund requires an agreement. Both parties need to know that the money has passed and the blockchain is such an agreement. Just look at the definition, cloud computing is allocated on demand, and blockchain builds a trust system, both of which seem to have no direct relationship. However, the blockchain itself is a kind of resource. It has the demand for on-demand supply and is an integral part of cloud computing. The technology of the cloud computing and the technology of the blockchain can be integrated with each other. How cloud computing and blockchain are combined The combination of the two technologies of blockchain and cloud computing, from a macro point of view, on the one hand, makes use of cloud computing existing basic service facilities or make corresponding changes according to actual needs to accelerate the development and application process and meet the future blockchain ecosystem. Medium-sized companies, start-ups, academic institutions, open source institutions, alliances, and financial institutions are demanding for blockchain applications. On the other hand, for cloud computing, “credible, reliable, and controllable†is considered to be the “three mountains†to which cloud computing must be developed, and blockchain technology is decentralized, anonymity, and data not available. The change to the main characteristics, coincides with the long-term development goals of cloud computing. From the perspective of storage, storage in the cloud and storage in the blockchain are all composed of ordinary storage media. The difference is that the storage within the cloud computing is a kind of resource that often exists independently. It is generally used in a shared manner and is selected by the application. The storage in the blockchain serves as the storage space for each node in the chain. The value stored in the blockchain is not the storage itself, but the unchangeable blocks that are linked to each other. It is a special storage service and cloud computing. There is also a need for such storage services. For example, in conjunction with the "Safe City", the data will be placed in this type of storage, and the use of non-modifiable, so that video, voice, documents, etc. as a recognized effective legal basis. From the aspect of security, the security in cloud computing is mainly to ensure that applications can run safely, stably, and reliably. This kind of security belongs to the traditional security field. The security in the blockchain is to ensure that each data block is not tampered with, and the record content of the data block is not read by the user without the private key. Using this, if you combine cloud computing and blockchain-based secure storage products, you can design an encrypted storage device. Cloud Computing + Blockchain = BaaS (blockchain as a service) Blockchain is closely integrated with cloud computing, creating BaaS (blockchain as a service) based on IaaS, PaaS, and SaaS. Promote BaaS to become a public trust infrastructure and form a combined trend of embedding blockchain technology framework in cloud computing platforms. Among them, the blockchain enterprise platform represented by the alliance chain needs to use cloud facilities to improve the blockchain eco-environment; blockchains represented by public chains need to provide a stable and reliable cloud computing platform for decentralized applications. In November 2015, Microsoft announced the availability of the BaaS service in the Azure cloud platform, which was officially opened in August 2016. Developers can create blockchain environments on the platform in the easiest and most efficient way. In February 2016, IBM announced the launch of the blockchain service platform. Using the new blockchain services available on IBM's Bluemix, developers can access fully integrated development and maintenance tools for creation and deployment on the IBM cloud. , run and monitor blockchain applications. Amazon announced in May 2016 its cooperation with Digital Currency Group, one of the largest investors in the blockchain field. Providing blockchain-as-a-service services to DCG-invested companies ensures that they can deal with customers in a secure environment, including financial institutions, insurance companies, and enterprise technology companies. From the perspective of the application of BaaS, Thunder can be said to be a pioneer in the use of blockchain technology in the cloud computing field. As early as 2014, Xunlei aimed at the two major outlets of cloud computing and blockchain. In October 2017, it even released " The bold words of ALL IN blockchains have enabled Chainlink to achieve a successful adventure of blockchain technology at the mass level. At the same time, at the beginning of 2018, Thunder has already started the “Linkage Open Platform†access application, and the addition of a large number of excellent partners will further enhance the value of the Link. 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March 15, 2023