Bitcoin transaction amount may 2017

1. bitcoin was founded on January 3, 2009<

the explanation of bitcoin is as follows:

the concept of bitcoin was first proposed by Nakamoto in 2009. According to Nakamoto's idea, open source software was designed and released, and P2P network was built on it. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system.

2.

When bitcoin first appeared in 2009, its price was less than 1 cent. One dollar could be converted into 1300 bitcoins, that is to say, seven yuan could be converted into 1300 bitcoins. On May 5, 2017, bitfinex, an overseas digital currency trading platform, quoted a price. Bitcoin once hit US $1700, or about RMB 11737

the concept of bitcoin was first proposed by Nakamoto on November 1, 2008, and was officially born on January 3, 2009. According to the idea of Nakamoto, the open source software is designed and released, and the P2P network on it is constructed. Bitcoin is a virtual encrypted digital currency in the form of P2P. Point to point transmission means a decentralized payment system

unlike all currencies, bitcoin does not rely on specific currency institutions. It is generated by a large number of calculations based on specific algorithms. Bitcoin economy uses the distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses the design of cryptography to ensure the security of all aspects of currency circulation

the decentralized feature and algorithm of P2P can ensure that it is impossible to artificially control the value of bitcoin by mass manufacturing. The design based on cryptography can make bitcoin only be transferred or paid by the real owner. This also ensures the anonymity of money ownership and circulation transactions. The biggest difference between bitcoin and other virtual currencies is that the total amount of bitcoin is very limited and it has a strong scarcity

extended data:

transaction method

bitcoin is e-cash similar to e-mail, and both parties need "bitcoin wallet" similar to e-mail and "bitcoin address" similar to e-mail address. Just like sending and receiving e-mail, the remitter pays bitcoin directly to the other party through a computer or smart phone according to the recipient's address. The following table lists some websites that download bitcoin wallets and addresses for free

a bitcoin address is a string of about 33 characters long, consisting of letters and numbers, always starting with 1 or 3, such as & quot& quot; Bitcoin software can generate address automatically, and it doesn't need to exchange information online, so it can be offline. There are a lot of bitcoin addresses available

the bitcoin address and private key appear in pairs, and their relationship is just like the bank card number and password. A bitcoin address is like a bank card number, which is used to record how much bitcoin is stored in the address. You can generate bitcoin address to store bitcoin at will. When each bitcoin address is generated, a corresponding private key of the address will be generated

this private key can prove ownership of the bitcoin at the address. The bitcoin address can be simply understood as the bank card number, and the private key of the address can be understood as the password of the corresponding bank card number. Only when you know the bank password can you use the money on the bank card number. Therefore, please keep the address and private key when using bitcoin wallet

source of reference: network bitcoin

3. You can't buy either. You can make a hammer

4. It's hard to judge by bitcoin. Because although e-money is very convenient and hidden, it lacks normative transaction and has great risk, so it has been stopped in China. Shanlin financial experts said that in the long run, unless there is a legal plan for e-money, there is still a long way to go for the currency to be "electronic".

5. Bitcoin used to be synonymous with overnight wealth. In 2017, bitcoin had a record high price, with the highest value of about $20000
according to the data of coindesk digital currency trading platform, the price of bitcoin once fell below US $6000 in 18 years, which has dropped by 70% compared with the highest value of US $20000 in 2017

"the price movements we are seeing now may seem drastic, but they are quite normal for this market." Etiro's senior market analyst, MATI Greenspan, wrote in an email to CNBC

with the decline of bitcoin, most digital currencies are affected, and other digital currencies are not much better. Most digital currencies are down by more than 10%. But in the long run, the future of digital currency is worth looking forward to.

6. Official and legal platforms have been closed, and recharge has been suspended. They can download but can't trade. There are still a lot of platforms and swindler apps that are transferred overseas,

7. It is often said that you can send bitcoin to any corner of the earth for free. Generally, you can transfer bitcoin for free, but in some cases, you have to pay transaction fees to complete the transfer. In version 0.8.3 bitcoin wallet, the default is 0.0001 bitcoin transfer fees. This service charge is awarded to miners to encourage them to continue mining and provide enough computing power for bitcoin to ensure the security of bitcoin network. At present, the main income of miners is to get 25btc reward by creating new blocks, but this reward is halved every four years. As time goes on, bitcoin transaction fee reward will graally replace the reward for creating new blocks. Under what circumstances do you need to pay the handling charge? How much does bitcoin charge? What is the handling charge? Bitcoin system has a series of network rules, including fee rules, which are "what the client should do". When you use bitcoin client (wallet, bitcoin QT) to send bitcoin, the whole process is roughly divided into the following steps:
1. Prepare the bitcoin you want to send. The client is responsible for collecting the balance of bitcoin in your wallet (bitcoin QT) to prepare for payment, because every bitcoin you receive is stored in your wallet until you spend it. If you receive two payments from 3btc and 2btc, their records in the wallet are independent of each other, that is, a 3btc and a 2btc, rather than merging them into 5btc (the wallet only records transaction details and does not merge the balance, but you can see the total balance on the interface of the wallet). As time goes on, many bitcoins of different amounts will accumulate in your wallet, So when you send bitcoin, the wallet has to decide which bitcoin is the most suitable for this sending. The bitcoin you get in a transaction is called "inputs" and the bitcoin you spend is called "outputs". There are multiple inputs and outputs in your wallet
2. If your outputs are less than 0.01btc (including the fund changes inside your wallet), you have to pay a handling charge of 0.0001, even if you transfer it to yourself. The wallet has an established rule when preparing your payment amount, that is, when preparing the payment amount in many inputs, try to avoid the amount change less than 0.01btc (for example, if you want to pay 5.005btc, the wallet should choose 3 + 2.005 or 1 + 1 + 3.005 instead of 5 + 0.005)
3. The larger the amount, the higher the age, and the higher the priority. If the amount you send is too small or your bitcoin has just been mined, then your transfer is no longer free. Each transaction will be assigned a priority, which is determined by the degree of currency, the number of bytes and the number of transactions. Specifically, for each input, the client will first multiply the number of bitcoins by the time they exist in the block (currency age, age), and then divide all the procts by the size of the transaction (in bytes). The calculation formula is: priority = sum (input)_ value_ in_ base_ units * input_ age)/size_ in_ If the calculation result is less than 0.576, then the transaction must pay the handling fee. If you do have a large amount of small input and want to transfer it out for free, you can add a large amount of bitcoin with a large age, which will increase the average priority, so that you can transfer out bitcoin for free
4. Charge per kilobyte. At the end of the transfer, the client will detect the size of the transfer (in bytes). The size generally depends on the amount of input and output. The calculation formula is as follows: 148 * input amount + 34 * output amount + 10. If the size of the transfer exceeds 10000 bytes, but the priority meets the free standard, you can still enjoy the free transfer, Otherwise, there will be a handling charge. The cost of 1000 bytes is 0.0001btc by default, but you can also add it in the client. Open the tab "settings & gt; Options & gt; The main purpose is to adjust the handling charge. If the service charge you are setting is less than 0.0001, BTC is calculated as 0.0001.

8.

The service charge of okex bitcoin exchange is the lowest in the world, ranging from 0.15% to 0.02%, and there is no charge for platform currency okb

in bybit, for each successful order, bybit platform will automatically decide to charge or provide rewards according to the order attributes. For "market makers" in the market, the system will give 0.025% reward based on the contract value for each successful price limit order

for the "price receiver" in the market, the system will charge 0.075% of the contract value based on the contract value for each successful market order. A $5 bitcoin transaction may have the same handling charge as a $5000 bitcoin transaction

they are measured by satoshis

9. A mining Trojan named wanna miner uses & quot; Eternal Blue & quot; Loopholes spread in the local area network, the infected machine will be built into a robust Botnet, support intranet self-renewal, long-term latent in the computer to dig Monroe money.. Tencent security Royal see Threat Intelligence Center reminds enterprise users to be vigilant, and can choose Tencent computer manager security & quot; Imperial point & quot; Defense against such attacks.

10. In June, the highest price of bitcoin was around 20000, and the lowest price was around 14000. According to 14000, you can buy about 3.5 bitcoins.