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Libp2p Ethereum

Publish: 2021-05-07 18:08:03
1.

BTC, usdt, ETH, BCH, LTC mean respectively:

1, BTC

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

2, usdt

TEDA currency is a virtual currency that links cryptocurrency with legal currency US dollar, and is a virtual currency kept in foreign exchange reserve account and supported by legal currency

Eth

Ethereum is an open source public blockchain platform with intelligent contract function, which provides decentralized Ethereum virtual machine to process point-to-point contract through its special cryptocurrency ether

4. BCH

bitcoin cash is a new version of bitcoin with different configurations launched by a small number of bitcoin developers

at 20:20 on August 1, 2017, bitcoin cash starts mining, and each bitcoin investor's account will have the same amount of bitcoin cash (BCH)

5, LTC

litecoin, abbreviated as LTC, currency symbol: & # 321;; It is a kind of network currency based on "peer-to-peer" technology. It is also an open source software project under MIT / X11 license. It can help users make instant payments to anyone in the world

source of reference: network bitcoin

source of reference: network TEDA coin

source of reference: network Ethereum

source of reference: network bitcoin cash

source of reference: network letcoin

source of reference: Network

2. They are essentially the same, belong to the network virtual currency, but the way of birth is different, because the algorithm is different, so it leads to the difference of the total amount. Bitcoin is a kind of digital currency invented by Nakamoto Cong, which exists in the form of P2P. It realizes distributed accounting through blockchain technology. Due to its scarcity, its valuation is relatively high. Ethereum is a kind of digital token of Ethereum. Developers need to pay Ethereum to support the application. It was invented by a Chinese company based on bitcoin algorithm
if you want to understand the content of blockchain bitcoin, it is recommended to go to relevant websites to have a more comprehensive look, such as bitmaster and Babbitt forum.
3. Now digital currency is a zero sum game, you put money in, I put money in, I take out more, you take out less, then I make money, earn your money, so simple.
4. Now it's March 2021. I'll answer you. What are bitcoin and Ethereum? These two are the virtual money that grabs money and the new things that drive the nationwide mining tide. Bitcoin is now 1 = 350000 RMB. In this way, Ethereum is 1 = 11000 RMB, and its value is rising. I regret that I just heard about bitcoin when I was studying in 2008, but it's only 20 yuan, I didn't buy a 200 yuan plug-in. Now it's worth millions of money with me.
5. I don't know about Cape currency. Bitcoin is an electronic currency proced by open source P2P software. Digital currency is a kind of network virtual currency. Bitcoin is also paraphrased as "bitcoin.". Short for: BTC
bitcoin does not rely on specific currency institutions to issue. It is generated through a large number of calculations of specific algorithms. Bitcoin economy uses a distributed database composed of many nodes in the whole P2P network to confirm and record all transactions. The decentralized nature and algorithm of P2P can ensure that it is impossible to artificially manipulate the value of bitcoin through mass proction
bitcoin is very similar to cash
the advantages of bitcoin are: no freezing, no tracking, no taxes, and extremely low transaction costs. Compared with people who speculate in currency, it is wealth, and people outside the currency circle may think it is a fraud
bitcoin, Ethereum, bitcash, EOS, REBO, etc. are the mainstream digital currencies, which can be properly invested. All transactions have risks. You can invest cautiously. You can search online for fire coin, coin security, OK, dobby trading platforms, etc. all of which can trade bitcoin. These are relatively large trading platforms, investing in mainstream digital currencies, and Don't invest in counterfeit money or air money.
6. First of all, the report quoted in the question is very wrong: bitcoin's original intention is not to break away from government regulation through anonymous payment, but to break away from government control and avoid inflation deliberately created by the irresponsible central government, which will cause great harm to the society. On the one hand, the German government recognizes that bitcoin trading can avoid tax losses. On the other hand, I guess the German people are happy to see bitcoin. From the German government's strong support for the euro, we can see that the German government is very inclined to strictly control the currency issuance: the control of the euro needs to be decided by the European Central Bank, rather than the countries in the euro area themselves. Bitcoin can be said to be the ultimate version of the euro. It is issued by various nodes, not by a central agency. In the European debt crisis, the control effect of the euro is obvious, and the Greek government must vigorously save public expenditure to avoid greater economic turmoil.
7. Blockchain digital currency uses cryptography design to ensure the security of all aspects of currency circulation. The decentralized nature of P2P and the algorithm itself can ensure that it is impossible to artificially manipulate the value of money by making a large number of bits.
8. The UDP hole drilling of libjingle is realized through stun / turn protocol. What is stun, turn

what is stun

the full name of stun protocol is simple transverse of user datagram protocol through network address translators. Its main function is to detect whether it is behind NAT, and if it is behind NAT, what is the address and port after NAT conversion, In addition, the type of NAT can be detected

basic idea

install a stun client in the private network and a stun server in the public network. The stun protocol defines some message formats, which are generally divided into request / response. The client sends a request to the server, and the server sends a response to the client. The principle is roughly as follows: after the server receives the UDP packet from the client, the server will send the address and port of the packet back to the client by using UDP, and the client will compare these addresses and ports with the IP address and port of the local machine. If they are different, they are behind NAT, otherwise they are in front of NAT<

what is turn.

the full name of turn is traversal using relay NAT, that is, traversing NAT through relay mode. In short, traversing is realized through a server transfer.

what is NAT

nat (network address translation); The private network (local area network) address is transformed into the public network address to realize the network access function
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