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Is Bitcoin sold and someone bought it?

What transaction rules should buyers and sellers follow?

In the currency circle, I believe that old investors are very familiar with Bitcoin. It can be said that Bitcoin is a myth in the currency circle. Most investors enter the currency circle from the beginning of contact with Bitcoin. 

Everyone wants to make a lot of money a sum. Therefore, some novice investors asked, will someone buy Bitcoin if they sell it? What trading rules should buyers and sellers follow? Below, let's take a look.

Is Bitcoin sold and someone bought it?

In fact, many people are worried about this situation, not just novice customers, but generally speaking, when bitcoin is sold, someone buys it. From the perspective of transaction volume, bitcoin is still relatively popular in the market, but it does not mean Someone buys it as soon as it comes out. In case you are a big account, the huge amount of Bitcoin is not something that someone can immediately accept.

Trading Bitcoin is sometimes scruples and lacks a sense of security, so trading platforms have emerged and solved many problems for customers. If you choose a trading platform for trading, there will be no situation where customers cannot sell because of too high a price. Because the merchant trades with the exchange, the exchange selects suitable customers and then directly conducts transactions.

If you choose a better trading platform, you don’t need to think too much, that is, someone buys Bitcoin when it is sold, because the data of each platform is different, so you can use one as a reference, such as Binance, Huobi Global , The 24-hour turnover of the OKEX exchange is very good.

What transaction rules should buyers and sellers follow?

1. Principles that buyers should follow

After creating an order, buyers should:

1. Make payment within the payment time specified in the order, and then click "I have paid";

2. Use your own real-name payment method, and complete the order payment according to the order amount and the designated receiving account of the order in an instant transfer method;

3. If you choose a non-instant payment method to pay for the order, you must obtain the seller's consent in advance;

4. Information such as "virtual currency, BTC, Bitcoin, Huobi" cannot be noted in the payment order.

2. Principles that the seller should follow

After placing an order, Seller shall:

1. Provide a collection account certified by the platform;

2. After receiving the full payment from the buyer, the release will be completed within the time specified in the order;

3. Without the consent of the buyer, the customer/customer service cannot be required to cancel the order;

4. Without the consent of the buyer, the price of the established order cannot be questioned.

Speaking of this, I believe everyone has a certain understanding of whether to sell Bitcoin or not, and what trading rules buyers and sellers should follow. In general, after a certain understanding, you still have to pay attention to the transaction risks. When selling Bitcoin, if it is an over-the-counter transaction, you must choose someone you know or acquaintances to conduct the transaction.

 If you choose to trade on a trading platform, it is very important to choose a reliable trading platform, so that the trading platform will not disappear before the bitcoin is sold. 

At the same time, if you are still worried about the safety of your deposits and withdrawals, preventing problems such as freezing cards, in addition to the problems of the counterparty, the identification ability of a trading platform is also very important at this time, so how to choose, you must do your homework

Blog Source - Cryptomantraa.com whatisblockchain.com ethereum.org 

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How are Bitcoins Mined? 2023

If we take the emergence of Bitcoin as a sign of the birth of the emerging industry of blockchain, it has been developed for ten years now. Ten years is not too long but not too short for an industry. In the past ten years, the industry has tried various profit methods and business models, but until now there are very few areas that really have a clear profit model and can be profitable, and mining is one of them. The most eye-catching and largest market in the mining field is Bitcoin mining .

Bitcoin mining was not an industry at first, but a cool activity in the eyes of geeks. It was only later, as the price of Bitcoin skyrocketed, that mining gradually became a profitable activity. As a result, the emergence of commercial value began to attract capital and manpower to this field, which led to an increase in the performance of mining equipment, from ordinary computers at first, to graphics card mining later, and now to ASIC mining machines . After Bitcoin mining entered the mining of ASIC mining machines , ASIC mining machines completely monopolized the entire industry and became the standard equipment used in the industry. As competition continues to intensify, not only mining equipment has become a monopoly, but also the operation and management of mining operations have gradually become professional. 

 In this process, mining has not only developed into an industry, but also the business model of this industry is constantly evolving and developing. The evolution and development of the industry, on the one hand, promotes the iteration of the industry itself, and on the other hand, it also leads to changes in the way users participate. In recent years, a new way of participation has gradually become popular, and it is cloud mining . In Bitcoin mining , we have a common and measurable way to measure the difficulty of mining and the performance of mining machines: computing power.

The so-called computing power is the computing power of the mining machine. The stronger the computing power of the mining machine, the higher the mining efficiency. Therefore, whenever a mining machine with a stronger computing power comes out, all miners will rush to buy it to increase their own resources. mining efficiency. With the enhancement of the performance of the mining machine, the difficulty of mining the entire Bitcoin network will increase, making the mining efficiency of the mining machine reach a balance again. 

 In this case, the number of bitcoins that can be mined per unit of computing power can be obtained by dividing the amount of coins produced in the entire Bitcoin network by the computing power. With such a relationship, some mining farms began to try to provide services to those who want to participate in mining in a new way: selling computing power.

When a user buys computing power, how many coins can be mined by these computing power on average, after deducting operating expenses, is the user's income. Compared with buying mining machines, this method is simpler and more direct for participants, and users do not have to worry about trivial details such as buying and selling, quality assurance, custody, maintenance and operation of mining machines.

 In terms of threshold and convenience, cloud mining is quite a market demand. For cloud computing power providers, it is equivalent to locking in revenue in advance and sharing costs; for users who purchase computing power contracts for cloud mining, it is exempt from the mining pool location that may be involved in traditional mining, mining machine settings, mining machine cooling, noise removal and other cumbersome steps.

At the same time, compared with home mining, users can pay less electricity and maintenance expenses. This is a win -win situation.

In the past year, a large number of computing power platforms have emerged. As a relatively worry-free mining method, it provides ordinary users with a shortcut to participate in mining.

Blog Source – whatisblockchain.com

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7 Best Blockchain Stocks to Buy 2023

Blockchain forms the backbone of cryptocurrencies such as bitcoin and ethereum, although its applications are much broader, with the potential to revolutionize anything that requires database record-keeping, among other things. For investors looking to capitalize on the technology's exciting potential, blockchain exchange-traded funds  (ETFs)  allow you to easily invest in hundreds of companies pursuing blockchain-based strategies.

What is blockchain technology?

A blockchain is a digital ledger that records data -- usually cryptocurrency transactions, although it can handle any kind of data -- and distributes it across a wide network of computer systems.

All nodes participating in the network hold the same copy of the digital ledger, which is a big reason why it is difficult (but not impossible) to hack or spoof the system.

Breaking down the word blockchain helps to understand how the system works.

Computers participating in the network encode data (for example, smart contracts, bitcoin transactions, or supply chain information for logistics companies) into "blocks" that are added to an ever-evolving digital ledger, known as a "chain." A duplicate copy of the entire database is updated on each node as new blocks of information are added.

All nodes must confirm the legitimacy of new data before adding it to the chain. For some blockchains, this means that a majority of nodes confirm that a single encrypted coin has not been spent more than once. Or for logistics companies, this might mean different nodes registering or verifying the receipt or dispatch of goods.

What is a Blockchain  ETF ?

Blockchain  ETFs  are thematic exchange-traded funds that hold shares in companies that use or develop blockchain technology. They tend to invest in a broader range of assets than bitcoin  ETFs  or crypto  ETFs  , which are more focused on tracking the price of individual cryptocurrencies.

While cryptocurrencies like bitcoin and ethereum are the most popular uses of blockchain today, the technology offers the potential to serve a wide range of applications far beyond encryption. Take Walmart’s Canadian division, for example, which used blockchain technology to create an automated system for managing invoices and payments for its logistics partners.

 The ETFs  listed above invest in hundreds of different companies. They can be divided into several categories:

Companies that own cryptocurrencies. Companies like MicroStrategy  and Tesla have large amounts of Bitcoin and other digital assets on their balance sheets.

Cryptocurrency exchanges and cryptocurrency miners. For example, Coinbase  is a leading cryptocurrency exchange, while  Marathon Digital  is a bitcoin mining company.

financial services company. Take  Galaxy Digital Holdings  , for example, which manages crypto assets that capture value from the blockchain. Meanwhile, global banks HSBC and BNP Paribas are funding blockchain initiatives and are developing their own blockchain applications.

technology company. Microchip makers such as NVIDIA Corp  and  Advanced Micro Devices  provide the hardware widely used to power blockchain systems. Software companies such as VMWare  , a leader in cloud computing, have  blockchain-focused businesses.

Why Invest in Blockchain  ETFs ?

It's a hot, exciting technology, but blockchain is only in the early stages of development. Cryptocurrencies grab headlines for their massive gains and massive losses, but the more practical applications of blockchain are far less well-known.

Larger, established public companies have dabbled in the blockchain business, while smaller, more focused companies have put blockchain and crypto at the core of their operations. In either case, there isn’t yet a killer app that proves that blockchain is a central part of the future of business and technology.

This means investing in stocks of just one or a few blockchain or crypto companies is very risky. This makes choosing a diversified blockchain  ETF  a less risky way to gain exposure to the industry. The blockchain ETFs  on our list  invest in dozens or even hundreds of stocks, providing a great deal of diversification within a single fund.

Given how fast the blockchain space is moving, choosing a blockchain  ETF  for your portfolio may be the best option for investing in the industry.

7 Best Blockchain Stocks to Invest in

1.  Coinbase Global Inc. (Stock symbol: COIN )

Investors and analysts may not agree on which cryptocurrency will eventually become the world's digital currency of choice. However, crypto, blockchain, and the metaverse are the three biggest growth themes in tech, and cryptocurrency exchange Coinbase  benefits from all three. For investors who understand the high-risk, speculative nature of the business, Coinbase  stock has significant upside , according to CFRA Research  analyst David Holt. That risk was highlighted in July  when the Securities and Exchange Commission  launched an investigation into Coinbase  's operations, sending the stock tumbling.

2.  Nvidia Corporation  ( NVDA )

Nvidia designs and manufactures high-end graphics cards and processing chips for personal computers, servers and supercomputers. Nvidia  will play a central role in providing processing power for the Metaverse and its digital economy , according to Bank of America analyst  Vivek Arya  . Nvidia  also produces specialized chips designed for cryptocurrency mining, providing additional blockchain exposure. Arya  said Nvidia is well positioned for a strong 2023 as  it  rolls  out its  next  -generation chips . He projects that Nvidia  could double its annual EPS to $  10  over time .

3. Block

Financial technology  (fintech)  company Block (NYSE: SQ ), formerly known as  Square , has two main components of its business -- a payment processing ecosystem for small businesses and the  Cash App  personal finance platform. The company also operates in business loans, a stock trading platform and buy now pay later financing. The company also operates the  Square Online Store  platform, which helps merchants build e-commerce and omni-channel capabilities.

Block  is a blockchain stock that comes in two main ways. Most obviously, Cash App  allows users to buy and sell Bitcoin quickly and easily. The company reported  buying more than $10 billion in bitcoin in 2021 alone  ,  which is a significant part of the company's business . In addition, Block  has its own Bitcoin development team called  Spiral (formerly  Square Crypto ), which has multiple exciting projects, and an  open development platform for blockchain applications called TBD  . The company's new name indicates its shift in focus to blockchain technology solutions.

4. IBM

While IBM (NYSE: IBM ) hasn't had a stellar performance in recent years, the company has made some big moves of late to fuel growth. For example, its acquisition of open-source software developer  Red Hat  provided it with numerous cross-selling opportunities with enterprise customers.

On the blockchain front, IBM Blockchain  has delivered transformative solutions for clients like Home Depot (NYSE:HD) , Renault (OTC:RNSDF) , Albertsons (NYSE:ACI)  and others. If blockchain-based solutions gain more traction in the future, it could have a major runway for growth. For example, IBM Blockchain  is focused on helping clients build more reliable and efficient supply chains .

5.  Amazon

In addition to operating the world's largest e-commerce platform, Amazon (NASDAQ: AMZN ) also operates Amazon Web Services , a leading cloud infrastructure service . The AWS  platform provides  Amazon Managed Blockchain , which allows customers to create and manage their own blockchain networks.

There is also some potential for Amazon to eventually incorporate blockchain technology into its massive e-commerce business. Blockchain currently accounts for only a small portion of Amazon's revenue, but has the potential to capture more as the technology develops.

6.  MasterCard  (MA) 

Global payments and technology company Mastercard is consistently ranked among the top 10 blockchain patent holders in the world. In 2020  , the company made it to the Forbes Blockchain  50  list and is considered by some analysts as one of the best blockchain companies to invest in.  

The company is already using its blockchain technology ,  Mastercard Provenance Solution  , to improve the global food supply chain and has  partnerships   with GrainChain  and  Wirex  .

The latter is a license to become the first native cryptocurrency platform to allow direct issuance of card payments. The company continues to expand its product offering and will be one of the top blockchain stocks to watch this year.  

Mastercard will also benefit from the world moving towards a more cashless society, further supporting the stock price.

7.  Battle Unlimited

Battle Infinity (IBAT) is another interesting blockchain project getting a lot of attention. It is a  Metaverse  game earning ecosystem with six different platforms, each with a unique set of features. This promising new project has been  fully audited and  KYC  verified by CoinSniper  , meaning there will be no nasty surprises during development.

The Battle Infinity  ecosystem includes  6  different platforms - IBAT Premier League ( NFT  fantasy sports platform), IBAT Battle Market (dedicated  NFT  marketplace), IBAT Battle Swap (decentralized cryptocurrency exchange), IBAT Battle Games ( P2E  gaming platform)  , IBAT Battle Arena (a virtual world) and  IBAT Battle Stake ( a  staking  platform with high  APY  ).

At the heart of the Battle Infinity  ecosystem is the project's native  IBAT BEP-20  token. IBAT  is used to reward those who participate in  Battle Infinity  's  P2E  games, to buy virtual billboards, and even to stake on the  IBAT Battle Stake  platform.

With a lot of hype, a strong team and a bunch of exciting features, Battle Infinity  's pre-sale quickly sold out in just  24  days, and it sold out when it arrived on exchanges.

With more exchange listings, IBAT staking  now live, and the rest of the ecosystem being developed - the token looks set to see promising growth in the coming months.

common problem:

What are blockchain stocks?

Blockchain stocks refer to companies that are directly or indirectly involved in blockchain technology. Some companies use blockchain to improve the transparency of financial audits, while others use it to track the sustainability of supply chains. The uses of blockchain are endless.

Which companies are investing in blockchain?

Companies investing in blockchain technology include Walmart, Oracle, Visa , Mastercard , Coinbase , PayPal , Amazon, Riot Blockchain , AMD , CME , IBM , NVIDIA  , and more.

Are Blockchain Stocks Cyclical?

As assets with limited supply, cryptocurrencies go through cycles, as fluctuations in supply and demand cause price fluctuations. Businesses that use blockchain technology and cryptocurrencies can also be cyclical; however, they do not have the same cycles as cryptoassets like Bitcoin because income-generating organizations differ from primitive assets like currencies.

Is investing in blockchain safe?

Blockchain technology is relatively new, so its use is inherently risky. Still, there is a growing belief that blockchain is a safe investment and that its potential rewards outweigh the risks — especially in the long run. While blockchain does have the potential to revolutionize the way businesses operate, it is still in its infancy and there is no guarantee it will live up to the hype. Therefore, it is very important for investors to do their due diligence before investing in blockchain-based startups or cryptocurrencies.

From the above, we recommend the 7 most worth investing in blockchain stocks. Although blockchain technology is still in its infancy, it is developing rapidly and attracting the attention of many investors. Some of the world's best-known companies, such as Amazon and Mastercard, have embraced the technology and are among the top blockchain stocks to watch. But be careful before you invest in blockchain, some experts believe that Bitcoin and blockchain are part of an investment bubble.

Blog Source – whatisblockchain.com

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ethereum.org

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What does blockchain technology mean?

The concept of blockchain (Blockchain): it is an innovative application model of computer technologies such as distributed data storage, point-to-point transmission, consensus mechanism, and encryption algorithm in the Internet era. Revolution has a very important meaning. This experience introduces the relevant knowledge of blockchain technology.

Blockchain source

(1) Bitcoin (Bitcoin),

Bitcoin is the first decentralized digital currency and because it does not rely on a central government agency, Bitcoins are "scarce assets" created through the process of "digital mining" (mining). Bitcoins can be collected and traded, and due to limited resources, in 2013 alone, its value rose hundreds of times on U.S. exchanges.

(2) The blockchain was created to enable Bitcoin. It is a point-to-point electronic cash system, based on cryptography rather than credit, so that any two parties who reach an agreement can pay directly, and bitcoin transactions do not require the participation of third-party intermediaries such as banks. If this technology is used for overseas transfers, a large amount of remittance fees can be saved.

The technical principle of blockchain

(1) Blockchain is a chained data structure that combines data blocks in a sequential manner in chronological order, and is a cryptographically guaranteed non-tamperable and unforgeable distributed ledger.

(2) The blockchain is a historical record of transactions, much like a database. A block in the chain is equivalent to a page in a book, each page in the book contains: text, story, each page has its own information: book title, chapter title, page number, etc.

(3) In a blockchain, each block has: a header containing data about that block: such as technical information, a reference to the previous block, and a digital fingerprint of the data contained in that block (aka "hash") and so on. This hash is important for ordering and block verification.

Features of blockchain

In order to realize the above transactions, the blockchain needs to meet the characteristics of decentralization and traceability

(1) Decentralization: users trade in a peer-to-peer (P2P) manner, the addresses are managed by the participants themselves, and the balance is managed by a globally shared distributed ledger. Security depends on all participants, and everyone judges a certain Whether the member is trustworthy.

(2) Transparency: records in the database are permanent, chronologically ordered, and accessible to all other nodes on the network. Every user can see the transaction status.

(3) Irreversibility of records: Since the records are related to each other, once a transaction is entered in the database and the account is updated, the records cannot be changed.

Blockchain Disadvantages:

(1) Irrevocable

In the blockchain, if you misuse or lose your password, the loss will be irreparable.

(2) Privacy

Since the blockchain is distributed, the transaction ledger must be open and transparent, and there is no privacy at all.

(3) storage space

Due to the need to master all historical records, performance is affected when the number of transactions is large.

(4) Delay

The distributed feature requires everyone to authenticate, so there is a transaction delay.

Blockchain application

In addition to Bitcoin, blockchain actually has many applications, mainly including:

(1) Smart contracts: digitized law; contract documents, automatic execution of commercial transactions and agreements

(2) Smart assets: trade finance, supply chain, workflow, rich data

(3) Clearing and settlement: higher transaction accuracy and shorter settlement process, winning real cost savings in the short term

(4) Payment: Reduce the disadvantages of the current framework, save time and cost, and speed up and simplify cross-border payments

(5) Digital identity: registering an identity; reusing that identity for other services,

(6) Applications in the Internet of Things: MoIP operation; machine-to-machine communication

Summarize

A blockchain is a distributed ledger that can contain financial and/or non-financial transactions, replicated (distributed) across multiple systems in near real-time via a peer-to-peer network, where each participant "owns" the same copy of the ledger, and Get updates when any transaction is added, each participant contributes to the inherent "immutability" of all existing records, using cryptography and digital signatures to prove identity, authenticity and enforce read/write access, there are mechanisms Making it difficult to change the history makes it easy to detect someone trying to change it.

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What is the best way to educate at home?

The best way to educate children is to teach by precept and example. There is a saying that goes well: third-rate parents use fists, second-rate parents rely on mouth, and first-rate parents use actions .

Educating children is like cooking. The fundamental purpose is to make a table of delicious meals. But this process requires some basic conditions, such as excellent ingredients, a chef, and a cooking environment.

There is no so-called "subject" in family education. Taking the process of family education as a system, even a slightly chaotic system, means that in a deterministic system, there are seemingly random and irregular movements, and its behavior is uncertain, unrepeatable, and unpredictable.

The same is true for education. Parents practice an educational theory, and the child's reaction depends on the situation, mood or method at that time. The educational effect cannot be repeated or even predicted.

In this process, children, parents, and the environment are like the three bodies in the universe of family education. Children, parents, and the environment are indispensable.

However, I don't want to talk too much about how to educate children, because almost all parents set up family education as the main body, and set the main body as: "children"---instead, they generally ignore the cultivation of core literacy as parents. thing.

Every family's environment, children's personality and parents' own situation are different. Parents cannot copy other people's success models.

Therefore, parents can only grow based on the difficulties and problems they encounter in the real situation of educating their children. Take the initiative to ponder, think, check information, ask others for advice or discuss with outstanding parents.

Ordinary parents basically encounter difficulties and confusions in the process of educating their children. After being deeply distressed, they have to work hard, try, explore, trial and error, constantly summarize, constantly reflect, and constantly use the strength of others to solve problems.

During this process, parents experienced complex feelings such as confusion, anxiety, epiphany, surprise, happiness, etc., and finally gained the joy of self-growth, as well as the sense of gain, happiness and responsibility as parents, and then improved their family education ability