Distributed cloud storage

The answer is distributed cloud storage. The centralized storage method is more or less faced with the problem of information security and permanent storage, and distributed cloud storage based on blockchain technology will be the best solution to this problem. Different from the current centralized cloud storage space, distributed cloud storage based on blockchain technology can
not only store, but also prove that the data is authentic and will never be modified. The characteristic of blockchain is that it is stored in blocks, and each block contains a part of transaction records. Each block will record the ID of the previous block, forming a chain structure, so it is called a block chain,
so to ensure that the information on each block is immutable. The blockchain is actually a distributed database, which is cloud storage with encrypted decentralized storage.

Blockchain-based distributed cloud storage mainly has the following characteristics:

1. Realize the availability of fragmented resources

Everyone can get monetary rewards for sharing their personal hard drive space. This monetary return is paid directly to the individual by the tenant, and the platform providing the service charges only a tiny service fee. It can be understood that the platform is the Uber of hard disk storage.

2. Broad public participation

Everyone has access to data on the public blockchain, and everyone can issue transactions waiting to be written to the blockchain. Participants in the consensus process (corresponding to miners in Bitcoin) maintain the security of the database through cryptography and built-in economic incentives.

3. Efficient and low-cost operation

Blockchain technology is open, transparent and open source on the Internet. You can upload and download the required information anytime and anywhere without going through any institutions and organizations. Compared with purchasing expensive storage equipment and supporting manpower, renting hard disk space is more economical and affordable.

4. Higher security

Traditional cloud storage companies buy or rent servers to store their client files, while using RAID schemes or multi-data center approaches to keep data safe. The use of blockchain technology does not require centralization, the purchase of expensive equipment and maintenance manpower. Blockchain technology allows files to exist in a
distributed , virtual and decentralized network, so that there is no need to rely on hardware maintenance to ensure the reliability of storage like traditional cloud storage companies.

Centralized cloud storage has already entered the commercial application stage. For example, Amazon's cloud platform is very powerful enough to allow users to develop some functions with amazing complexity based on the platform. The powerful functions of the Amazon cloud platform are supported by millions of server. According to data released in 2015, Amazon has
deployed servers in 11 regions around the world, each region has established several data networks, and has a total of 28 data networks worldwide. Each data network consists of one or more data centers, usually equipped with 50,000 to 80,000 servers. According to conservative estimates, Amazon has 1.5 million servers worldwide. Analysts at market research firm
Gartner estimate that Amazon has more than 2 million servers in total. Amazon's cloud platform is so large and complex that it can almost be said that the data centers that support it can constitute the largest computer on the planet, in a sense, it is a general-purpose supercomputer.
According to the report , Amazon Cloud Services has a 27% share of the global cloud market, with Microsoft having around 10%, followed by IBM and Google.

The solid block in the chart is the storage capacity that several large companies have at present, and the hollow is the storage space that we can use. Regardless of Facebook, Microsoft, Amazon, or Google, no matter how many servers, no matter how they increase, they cannot match our existing 

Compete with the free storage space that can be used.

We can imagine that computer manufacturers will design a computer without a hard disk, because the benefits are obvious, and the slogan "Our computer does not need a hard disk" is enough to make "fans" excited without thinking. Place an order. A "savvy" user can make a calculation. If
we buy a laptop, it may cost 10,000 yuan, but if there is no hard disk, it should be around 8,000 yuan, and we only need to pay a small fee to rent it. A cloud storage will do.

Storj is a company that provides decentralized cloud storage solutions on the blockchain. The company organizes a network that can provide roughly more than 1,500TB of storage, has around 430 “miners,” and uses one of the oldest and most valuable coins on the Poloniex exchange, the “fuel currency.” How does
Storj solve file storage and encryption functions?

We can understand that the file is automatically decomposed into bytes, stored on three different hard disks A\B\C, and the private key is in your own hands, whether it is the service provider Storj or the repository for you No one has a private key, which solves the problem of information being
leaked . Another point is that if your private key is accidentally leaked, the person who gets the private key gets the information you have stored on a certain hard drive, and this piece of information may also be a piece of garbled code instead of an entire article. What is even more amazing is that by relying on blockchain technology, we can also achieve multiple backups. For example, Aunt Li
in after uploading the photos, she is still worried that the photos are stored in one person, so she can save the files when they are stored. , and back up 1 to 6 copies at the same time, which can be understood as the "enhanced version" of hard disk protection. Of course, the cost will be higher, but it is more economical
than .

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