bte区块链,区块链btb

『一』What is the mobile mining APP fund disk like?

BTD is the world’s first and currently the only one that has been on the main network and supports the distribution of cloud disk applications. storage chain.
English abbreviation: BTD
Project jurisdiction: Singapore
Project introduction: BTD is the world's first distributed storage project that supports cloud disk applications. On April 21, 2019, BitDisk, the world’s first blockchain cloud disk based on the BTD storage chain, was officially released. BitDisk has the same functions as network disks, but blockchain technology makes BitDisk storage files more private and secure, and makes off-site disaster recovery safer; the blockchain incentive system promotes the rapid fission growth of BitDisk cloud disk users, and it is expected that by June 2020 More than 20 million.
This means that BTD will become the blockchain project with the second largest number of user wallet addresses after BTC and ETH within one year, becoming the BTC in the storage field.

The BTD project is based on the distributed storage market with a market value of trillions. It has released the BTD Miner mining client and is open to global storage hardware. Users can become BTD nodes by contributing their storage space and receive corresponding rewards. of BTD incentive points. The nodes of the entire network work together to form a distributed storage chain that is distributed around the world, never shuts down, never cuts off power, has natural remote disaster recovery, unlimited capacity expansion, self-healing capabilities, and data privacy and security, and provides storage services to the outside world.

Issuance and circulation information: 80% storage node/ 9% foundation/ 2% public welfare storage/ 3% market ecology/ 2% institution/ 1% cornerstone investment/ 3% team
Issuance Total amount: 2.8 billion
Circulation quantity: 3000w
Register to get 54 coins, and receive 1.8 coins every day, no need to buy first and sell later

『二』 Who proposed the concept of blockchain in 2008 (who first proposed the blockchain)

1. Who proposed the concept of blockchain in 2008.

2. The concept of blockchain.

3. Front-end blockchain.

4. What is blockchain? Simply put.

1. Satoshi Nakamoto.

2. In the following years, the blockchain became a core component of the electronic currency Bitcoin: serving as the public ledger of all transactions.

3. By utilizing peer-to-peer networks and distributed timestamp servers, blockchain databases can be managed autonomously.

4. The blockchain invented for Bitcoin made it the first to solve the problem of duplicate consumption.Digital currencies with fee issues.

5. Bitcoin’s design has become a source of inspiration for other applications.

『三』What is the difference between blockchain and Bitcoin?

There are many friends around me who think of blockchain as Bitcoin. This is actually biased. Just like: when we talk about wood, we think of it as a table.

In fact, Bitcoin and blockchain are not the same thing at all. Blockchain is just the core implementation technology behind Bitcoin. Blockchain can be applied not only to Bitcoin, but also to electronic bills, equity registration, luxury goods tracking and anti-counterfeiting, and many other fields.

Bitcoin, as a system without core institutional management and distributed autonomous operation, has successfully realized global payment and digital currency after more than 7 years of stable operation. The circulation function fully reflects the unique advantages of blockchain technology.

In general, Bitcoin is a successful application of blockchain and the first blockchain to operate stably.

In the future, as blockchain research continues to deepen and social capital continues to promote, as a basic application technology, blockchain will surely play a more important role in various industries in society.

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Public account: Fintech Observer, looking at technology from the perspective of finance, looking at finance from the perspective of technology, Let’s move towards wealth and freedom together!

『四』 What is btd digital currency

The full name of btd is "BitDisk", which is a digital storage system that can provide users with data such as pictures, videos, music, and files.

The function of btd is the same as that of network disk, Tencent Weiyun and 360 network disk. The difference between BTD and traditional network disk is that it is built using blockchain technology, making the data stored by users more secure.

BTD is a global distributed shared storage ecosystem based on blockchain. It is headquartered in the Garden City of Singapore, and its domestic operator is Guangzhou Chaomi Information Technology Co., Ltd. On April 21, 2019, BitDisk, the world's first blockchain cloud disk based on the BTD storage chain, was officially released. BitDisk has the same functions as network disks, but blockchain technology makes BitDisk's file storage more private and secure, and makes remote disaster recovery safer.

What kind of digital currency is BTD? The characteristics are:

1. After users register, they can enjoy the massive storage system;

2. At the same time, users can also Provide your own computer hard drive as a BTD peer-to-peer storage system to obtain the platform's "mining" digital currency reward. The token is called "BTD", this digital currency uses an encrypted data algorithm and can be circulated to the market;

3. Of course, the above mentioned provision of your own computer hard drive to the BTD platform as a peer-to-peer storage system is a reward for promoters. It’s just a drop in the bucket. You must know that the registration income from participating in BTD promotion can be said to be considerable. You only need to register as a member of the BTD platform, participate in inviting new users to register, and you will receive corresponding BTD digital currency rewards. The key point is that it is free, and there is no joining. There is no fee, and there is no threshold to join to participate.

『五』What is the relationship between blockchain technology and Bitcoin

Blockchain technology is the bottom layer of Bitcoin Technology, Bitcoin has been operating without any centralized organization operation and management. Later, Bitcoin technology was abstracted and called blockchain technology, or distributed ledger technology.

Bitcoin is the first application of blockchain and will be expanded to more and more industries in the future.

Blockchain technology is called distributed ledger technology. It is an Internet database technology that is characterized by decentralization, openness and transparency, allowing everyone to participate in database records.

While Bitcoin is not issued by a specific monetary institution, the Bitcoin economy uses a distributed database composed of many nodes in the entire P2P network to confirm and record all transaction behaviors, and uses cryptographic design to ensure A currency that provides security in all aspects of currency circulation.

(5) When did the blockchain BTD come out? Extended reading:

Bitcoin currency characteristics:

Decentralization ization: Bitcoin is the first distributed virtual currency. The entire network is composed of users and there is no central bank. Decentralization is the guarantee of Bitcoin’s security and freedom.

Worldwide circulation: Bitcoin can be managed on any computer connected to the Internet. Anyone can mine, buy, sell or receive Bitcoin regardless of location.

Exclusive ownership: Manipulating Bitcoin requires a private key, which can be isolated and stored on any storage medium. No one can obtain it except the user himself.

Low transaction fees: It is free to remit Bitcoin, but there will ultimately be a transaction fee of approximately 1 bit cent per transaction to ensure faster transaction execution.

No hidden costs: As a means of payment from A to B, Bitcoin has no cumbersome limits and procedures. You can make the payment by knowing the other party's Bitcoin address.

Cross-platform mining: Users can explore the computing capabilities of different hardware on many platforms.

Reference materials: Network-Blockchain Network-Bitcoin

『Lu』 Blockchain and Bitcoin (1)

Blockchain ) is a concept that has been proposed by academic circles for a long time but has only become popular with Bitcoin in recent years. Bitcoin is an implementation based on blockchain technology. Bitcoin is a cryptocurrency, or a digital currency.Let’s start with Bitcoin and talk about how Bitcoin uses blockchain technology.

Suppose that during the 2006 World Cup finals, two football fans who did not know each other met. Italy was playing France. The French fans said that France will definitely beat Italy with Zidane. The Italian fans were unconvinced and said that we Italy is invincible. If you don't believe it, let's bet 100 euros. In the real world, what should we do?

I have said before that we who work on computers spend more than 90% of our time dealing with abnormal situations. If humans were very trustworthy, the world might not be what it is now. The 600 miles that Qin promised King Huai of Chu were no longer 6 miles. Maybe it would be Chu who unified China. If you hand over the money to a third party, what if the third party also runs away? He stole the money. Therefore, in the real strange world, relying solely on a kind heart is unreliable. There must be means to firmly guarantee this commitment, legal contract, etc. Nowadays, a very common approach is for the third party to find an authoritative institution, such as the government, a bank, etc., or to find a reputable person or organization. In the final analysis, it is still to find an institution or person with credibility. But under normal circumstances, this third party will definitely "pluck out hair" and charge a certain percentage of handling fees.

So is there any way to solve this problem? This is one of the original intentions of Bitcoin's original design, to solve the trust problem between two strangers.

Encryption algorithm + multi-person accounting

Let’s talk about the encryption algorithm first. Here we need the asymmetric encryption I mentioned before, that is, the public key and private key. Everyone can have one or more pairs of public and private keys, but a public key can only have a corresponding private key, and vice versa. The principle is that two very large prime numbers (p and q) are multiplied to get a number (n). If you want to crack the private key based on the public key, you must theoretically crack it violently and figure out which two large prime numbers the number is multiplied by. Got it. Currently, there is no published private key in the world that can crack more than 1024 bits, so it is very safe to use a private key of 1024 or 2048 or even longer.

Then with the public key and private key, I as an individual can encrypt with the private key, and then publish the public key. Anyone can use my public key to decrypt to determine that this is what I published. . In the same way, when someone transfers money to me, I can also use his or her public key to decrypt it and determine that this is someone's identity. This is also called a digital signature. The principles are the same, they are all encryption algorithms, obtained by using mathematical Euler's formula, prime number multiplication and other principles. This is a very great algorithm called RSA, proposed by three mathematicians. As long as we ordinary people understand the concept and use of public keys and private keys.

In the previous traditional model, banks or government agencies had their own separate ledgers. For example, if Zhang San transferred 100 yuan to Li Si, how would it be recorded in the ledger? 100 was deducted from Zhang San’s account, and 100 was deducted from Li Si’s account.Add 100, right?

The same is true for multi-person ledgers, except that the previous centralized institution has become a distributed, decentralized multiple institutions and even individuals. For example, Li Bai transferred 100 taels of silver to Du Fu. In the past, the Ministry of Finance kept accounts. In the blockchain, Tang Taizong, Yang Yuhuan, Zhang Xiaojing, He Zhizhang and many other people kept accounts together. It was recorded that Li Taibai transferred 100 taels of silver to Du Zimei. , as evidence, with Li Bai's seal attached at the back. In this way, with multiple ledgers, it would be extremely difficult to tamper with them. Li Bai could safely transfer them to Du Fu without worrying that he would tamper with the amount or deny it.

This can solve the problem of fans betting mentioned at the beginning, but there is another question, why should others help us keep accounts?

The answer is to be paid, which is in line with human nature. Otherwise, who would be willing to help keep an account that has nothing to do with them?

But there is only one person who can ultimately keep accounts, otherwise everything will be in chaos.

On the premise that it is beneficial, how to ensure who will keep the accounts? There is a mathematical knowledge involved here. Everyone who wants to keep accounts, in fact, the so-called miners, must solve a mathematical problem when keeping money. There is no trick to this mathematical problem. The only way is to put the numbers into the formula. In hard calculation, the algorithm is a Hash algorithm, which is similar to calculating a series of numbers. Miners can only guess, but there is no other way. Moreover, the current probability of guessing in Bitcoin is one in a trillion. It would take an ordinary computer to guess this number continuously for about a year.

But there are thousands of computers in the world, and if they are calculated together, the speed will be much faster, because from a probability point of view, one computer will definitely calculate it, and this is indeed the case. Let’s look at a real-life example of Bitcoin.

In addition, you can also see who the Miner is and how many transactions (Number of Transactions) are included in this block.

What if this miner is an individual with ulterior motives, and after calculating the calculation, he tampered with the transfer record and amount privately?

A. Tampering with transaction records/amount

We introduced the public and private key encryption technology earlier. The miners themselves theoretically do not have the private keys of the sender or payee. Therefore, the transaction record that he tampered with will make errors when decrypted with the correct public key, and will eventually be deemed illegal (the author is not sure at what point in time the identification was made, but he is sure that this record can be falsified) ).

B. Delete transaction records

> Suppose there is a scenario where Zhang San wants to buy a two-bedroom, one-living house in Beijing’s 4th Ring Road, but Zhang San doesn’t want to pay for it and wants to occupy the house for free, so he comes up with a sneaky way to tamper with the transaction records. Theoretically, after Zhang San paid, this record was generated but not confirmed. The record needs to wait until a miner solves the puzzle. Assuming that the miner is one of his own, he asked the miner to erase the record. There is no problem. . But there are several ways to do it:

As we all know, Bitcoin mining takes a long time because of the troublesome math problems. The current cycle is about 10 minutes. This is based on the world Under the premise that hundreds of thousands of mining machines are working at full capacity at the same time. That is to say, tens of thousands of transactions will be uniformly confirmed and put into an immutable block every ten minutes, and these hundreds of thousands of mining machines will update their local records at the same time.

2.1 If the transaction is just generated and the landlord sees it, and then transfers the property rights to Zhang San the next second, then if Zhang San wants to tamper with the payment record, he must meet several conditions:

The difficulty of success depends on how many confirmed blocks follow the tampered record. If there is only one, it is too simple, because the blockchain algorithm defaults to miners using the first received longer block when publishing a new block. So after this modification, it will be done once and for all, because all the ledgers will be synchronized, but there is also a problem, that is, this synchronization will be recorded. If the landlord cannot check the account, Zhang San will eventually be arrested. If there are many, for example, after Zhang San transfers the money, the landlord only transfers the property rights 1 hour after confirming the transfer, then Zhang San must tamper with the previous block information of about 6 blocks, which is very troublesome, because every block All will point to the previous block, and each block will have a digest (Hash), which is a summary of all transaction records in the current block. So if you try to modify a block that was written a long time ago, the digests of subsequent blocks will be changed. This is the hash tree (MerkleTree). Other nodes can report information that the blockchain has been tampered with. This involves the most important point. The 51% computing power that is often mentioned means that if Zhang San owns more than 50% of the ledgers and acknowledges this modification, then other nodes will also acknowledge this modification according to the algorithm design. . However, let’s not talk about the fact that almost no one in the world can do the above two things at the same time. Even if you can do it, if someone has questions about this, you can still force the system to be repaired. Similar problems have occurred in Ethereum before, and the outcome is Ethereum Entire blocks were tampered with and stolen property was recovered. Ethereum fork event.

The above is only a superficial introduction to the characteristics of Bitcoin implemented by applying blockchain technology. It can achieve openness, fairness, neutrality and equality. Any two strangers in the world can rely on Bitcoin or other blockchain technologies to trust each other.

『撒』 What digital currency is btd

BTD is a digital currency that supports distributed storage projects for cloud disk applications. Trading is also available within the BTDapp platform. BTD relies on the peer-to-peer architecture of an encrypted electronic currency system and is a virtual digital currency just like Bitcoin. The founders of BTD are all from Singapore. They have decades of experience in blockchain development and marketing management, and have worked for many internationally renowned companies.

BTD is a global distributed shared storage ecosystem based on blockchain. The domestic operator is Guangzhou Chaomi Information Technology Co., Ltd. On April 21, 2019, BitDisk, the world's first blockchain cloud disk based on the BTD storage chain, was officially released. BitDisk has the same functions as network disks, but blockchain technology makes BitDisk's file storage more private and secure, and makes remote disaster recovery safer.

According to the Deputy Director of the Payment and Settlement Department of the Central Bank, the legal digital currency to be issued by the Central Bank has the same functions and attributes as banknotes, and is as "legally compensable" as banknotes. In other words, no unit, merchant or individual may refuse to accept legal digital banknotes. Secondly, the main difference between legal digital currency and paper money is that the form of digital currency is digital. At the same time, digital currency is not a string of numbers, but is presented in the form of banknotes, which is essentially different from virtual currencies such as Bitcoin.

『8』Who proposed the idea of ​​blockchain

Satoshi Nakamoto (English: Satoshi Nakamoto), who claims to be Japanese-American, is often translated as Philosophy of Nakamoto by Japanese media , this person is the creator of the Bitcoin protocol and its related software Bitcoin-Qt, but his true identity is unknown. Satoshi Nakamoto published a paper titled "Bitcoin: A Peer-to-Peer Electronic Cash System" in 2008, describing a method he called "Bitcoin." "Coin" electronic currency and its algorithm. In 2009, he released the first Bitcoin software and officially launched the Bitcoin financial system. In 2010, he gradually faded away and handed the project over to other members of the Bitcoin community. Satoshi Nakamoto is believed to hold approximately one million Bitcoins.

『Nine』 When will the global regulatory blockchain be released?

February 15, 2019. The Cyberspace Administration of China reviewed and approved the "Blockchain Information Service Management Regulations" (hereinafter referred to as the "Regulations"), a total of 24 articles, which will come into effect on February 15, 2019. The beginning and end of 2019 are the two peak periods for the release of blockchain policy information, and policies at the beginning and end of the year are mostly supportive, while in the middle of the year, supervision is the main focus.

『Shi』What is btd digital currency

According to the relationship between digital currency and the real economy and real currency, it can be divided into three categories:
First. Completely closed, has nothing to do with the real economy and can only be used within specific virtual communities, such as World of WarcraftWorld gold;
The second is that it can be purchased with real money but cannot be exchanged back to real money, and can be used to purchase virtual goods and services, such as Facebook credit;
The third is that it can be exchanged with real money at a certain ratio. Redemption can be used to purchase virtual goods and services, or real goods and services, such as Bitcoin [2].
Transaction Model
At this stage, digital currency is more like an investment product, because it lacks a strong guarantee institution to maintain the stability of its price. Its role as a value measure has not yet appeared, and it cannot serve as a means of payment. As an investment product, the development of digital currency is inseparable from trading platforms, operating companies and investors.
Trading platforms act as trading agents, and some act as market makers. The profits of these trading platforms come from the handling fees when investors trade or withdraw money and the premium income from holding digital currencies. Platforms with large transaction volumes include Bitstamp, Gathub, Ripple Singapore, SnapSwap, Japan's Mt.Gox, the largest Bitcoin trading platform in the past, and Chinese newcomer Ruihu, etc. [4]
The process for digital currency transactions through the platform is as follows:
(1) Investors must first register an account and obtain a digital currency account and a US dollar or other foreign exchange account.
(2) Users can use money in their cash accounts to buy and sell digital currencies, just like stocks and futures.
(3) The trading platform will sort the buy requests and sell requests according to the rules and start matching. If the requirements are met, the transaction will be completed.
(4) A buy or sell request may be partially executed due to the difference between the buy and sell volumes submitted by the user.