How to grab nodes with virtual currency
1, bitcoin trading, you have to find a dedicated online trading platform for bitcoin. With this trading platform, we can buy and sell bitcoin freely on the trading platform
2. As long as you have time and pay attention to the real-time market of bitcoin, you can learn to play bitcoin. In fact, this method is very simple, that is, buy low and sell high
3. Bitcoin can be cashed and converted into the currency of most countries. Users can use bitcoin to buy some virtual items, such as clothes, hats and equipment in online games. As long as someone accepts it, they can also use bitcoin to buy real-life items
Introction to bitcoin:
1. 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
2. Bitcoin is a kind of P2P digital currency. Peer to peer transmission means a decentralized concept of bitcoin, which was first proposed by Nakamoto in 2009. According to Nakamoto's idea, open source software and P2P network are designed and released
3. Bitcoin is a kind of P2P digital currency. Point to point transmission means a decentralized payment system
4. Unlike most 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 a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions, and uses cryptography design to ensure the security of all aspects of currency circulation
5. The decentralized feature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction. 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
6. 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. The monetary system used to have no more than 10.5 million in four years, after which the total number will be permanently limited to 21 million< On February 26, 2014, Joe Manchin, a Democratic senator from West Virginia, issued an open letter to a number of regulatory authorities of the US federal government, hoping that relevant institutions would pay attention to bitcoin's current situation of encouraging illegal activities and disrupting the financial order, and require that actions be taken as soon as possible to completely ban the electronic currency
2. China has banned the issue and use of bitcoin
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When bitcoin nodes connect with each other, they will get transactions they don't have from each other. But because bitcoin has accumulated a large number of transactions for a long time, it is very difficult for two nodes to compare which transactions you are missing / which transactions I am missing one by one
to solve this problem, Nakamoto Tsung invented the important technology of block chain. Nodes use blocks to synchronize transactions, which ensures the data consistency of all nodes, and ensures the uniqueness of the blockchain by competing for block packing rights (that is, mining)
① a block and blockchain
a packet formed by a transaction over a period of time is called a block. On average, bitcoin generates a block every 10 minutes, and each block is linked to the previous block to form a blockchain
② the transaction data is synchronized with the block as a unit
the block is numbered from 1, so after node a connects with node B, it is convenient to synchronize the transaction data as long as the block number height of both parties is checked. For example, if node A's own block height is 100 and node B's block height is 110, all it needs to do is request B to synchronize the 10 blocks 101-110<
③ reward for packed blocks
in order to ensure that there are nodes to pack bitcoin transactions, bitcoin rules stipulate that nodes of packed transactions will receive bitcoin as reward
A. part of the package reward comes from the transaction fee paid by the transaction creator (100-1000 transaction fee per KB)
B. the other part comes from the initial distribution of 21 million bitcoins. At the beginning, the reward is 50 bitcoins for each block. After that, the reward will be halved for every 210000 blocks (about four years). Until about 2140, the reward for each block is less than 1, and the total reward for each block is 21 million bitcoins, This is the source of the total amount of 21 million bitcoins (2099999.97690000 to be exact)
after 2140, the package reward will only come from the transaction fee paid by the transaction creator<
④ competition for block packing right
node packing transaction only needs to consume very low-cost network and computing resources. The existence of packing reward (at present, the packing reward for each block is 25 bitcoin, about 40000 yuan), makes a large number of nodes want to pack transactions. In order to ensure the uniqueness of the blockchain, bitcoin rules stipulate that nodes use a method similar to "coin tossing" to compete for the right of transaction packaging. Nodes constantly toss coins. Whoever first throws the results that meet the rules will get the right to pack the transaction in this block, as well as the package reward of this block
bitcoin is a kind of point-to-point e-cash system, more directly, node to node. Each transaction is broadcast by the originator to the nodes around it, and then broadcast to the nodes around it after receiving it, and finally spread to the whole network
every bitcoin wallet is a node, and the node with a complete blockchain ledger is called the whole node. In October 2017, there were about 9300 nodes in the bitcoin network, which were responsible for broadcasting and verifying bitcoin transfer transactions. After the transfer transaction occurs, all nodes broadcast to the whole network. After the mining node verifies that the transaction is correct, it will be recorded in the blockchain ledger. The United States, Germany and France have the largest number of bitcoin nodes, with China accounting for about 5% of the world's total nodes Data source: bitcodes. 21. CO) running bitcoin node does not provide any reward, and it does not need the whole node to transfer bitcoin, so the total number of bitcoin nodes only accounts for a small part of the node number.
1, spot trading
spot trading and stock trading are almost the same, buy low and sell high, earn the middle price difference! However, bitcoin is a T + 0 mode, trading anytime and anywhere, and there are no opening, closing, suspension and many other restrictions. It is open to trading 365 days a year
2. Futures trading is often referred to as contract trading. I believe most people can't resist the temptation of contracts. Contracts can be long and short, and can also be leveraged. The maximum support is 100 times, which indirectly magnifies the benefits and risks by 100 times, because human nature is inherently greedy. However, the difficulty coefficient of making money in the contract is high. Because bitcoin fluctuates greatly, it is possible to burst the position in an instant. Therefore, futures trading should be cautious
3. Option trading
the nature of option trading is the same as that of spot trading, i.e. expected call to buy up, expected put to buy down
since the nature of options and spot is the same, what is the difference between them? Simple comparison:
for example, bitoffer, the first bitcoin option in the world, has no margin, no handling charge and no exercise
(the only option in the world that doesn't need to exercise)
1. For spot, it costs US $7500 to buy a bitcoin
2. For option, it costs US $5 to buy a bitcoin option
when bitcoin rises from 7500 to US $8000, the spot earns us $500 and the option earns us $500
the benefits of the two are the same, but the cost difference is 1500 times
this is the case with options, which is the same as the spot calculation of profit space, except that you don't need to pay the full amount, just need to pay a little deposit Different from the traditional European options)
4. ETF fund trading
ETF is usually called trading open-end index fund, which is a very popular financial derivative in the traditional financial market. Bitoffer's launch of bitcoin ETF fund increases the fixed leverage on the original basis, because there are a certain number of futures contract positions behind the proct
What's the difference between bitcoin ETF and spot< In this year's bitcoin proction rection, in theory, X2
2. Mining machinery needs to be upgraded, in theory, X2
3. The current price of bitcoin is 7500x4 = US $30000 (expected price after next year's proction rection)
ring this period, the return comparison between holding spot money and ETF fund is as follows:
1, Up to 15 times (compound interest calculation)
there is no doubt that bitcoin ETF is the best investment choice!
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