Making blockchain exchange
(1) introction to price limit trading mode:
price limit buying / selling refers to that the user sets the price and quantity of a buying / selling currency to generate an order. The system will automatically match the buying and selling orders in the market. Once the price set by the user is reached, the transaction will be automatically executed according to the price priority time priority
(2) introction to market price transaction mode:
market price purchase refers to that the user sets a total amount and generates a commission order, from the beginning of selling to the completion of the total amount transaction. Selling at market price means that the user sets the total number of currencies to be sold, generates a commission document, and matches it from the beginning of buying to the completion of the total number of currencies transaction
(3) introction to currency transaction mode:
currency transaction is mainly aimed at the transaction between virtual digital assets and virtual digital assets, in which one currency is used as the pricing unit to purchase other currencies, and the currency transaction rule is also to complete matching transaction according to price priority and time priority< (4) introction of C2C transaction mode:
both parties of the transaction release the transaction information of buying or selling currency on the C2C transaction platform according to the demand. The buyer and the seller complete the transaction offline according to the agreed payment method, and the platform, as an intermediary, charges a certain proportion of the handling fee from each successful transaction< (5) introction to OTC OTC trading mode:
it is a set of platform for offline purchase of digital currency independent of the exchange. Businesses can publish purchase / sale advertisements on the platform, and purchase / sale users can purchase / sell through offline transfer. After the transfer, the platform will transfer the frozen digital currency to the buyer, The technical construction problems of the exchange can be found on the Internet
(6) introction to trading mining mode:
the exchange platform returns a certain proportion of the commission income to the platform users, and the platform coin is returned. According to the principle of distribution proportion, the exchange platform takes a certain proportion as the mining reward. Mining refers to trading on the platform to graally unlock the platform coin until all the platform coins are fed back. This kind of play has a strong attraction to attract users< (7) introction to futures / contract trading mode:
futures contract is an agreement that the buyer agrees to receive certain assets at a specific price after a specified period of time, and the Seller agrees to deliver certain assets at a specific price after a specified period of time. The price that both parties agree to use in future trading is called futures price. The designated r period in which both parties have to trade in the future is called the settlement date or delivery date. The assets agreed to be exchanged by both parties are called "subject matter"< (8) introction to the trading mode of perpetual contract:
perpetual contract is a new and unique contract. The goal of the contract is to allow high leverage to the market conditions of the spot market. The contract will not be delivered and can follow the reference price index through various mechanisms. The contract evolved from the traditional futures contract, but the perpetual contract has more obvious advantages and greater risks than the traditional futures contract, supporting long short two-way trading, opening a 100 times leverage, permanent position, premium and so on.
you mean platform trading. Domestic illegal, international and mostly deceptive, you find the well-known ones. There is a special introction to blockchain network. Remember to be legal, otherwise you can't withdraw cash and it's useless to make money.
The global well-known blockchain trading platform can refer to the following figure:
there are many similar platforms, which can be viewed on non small platforms. The market of digital assets fluctuates a lot, and no one can say for sure. Compared with the previous boom, the current market is in the cooling stage
blockchain is the core supporting technology of digital cryptocurrency system represented by bitcoin. The core advantage of blockchain technology is decentralization. It can realize point-to-point transaction, coordination and cooperation based on decentralized credit in a distributed system without mutual trust by means of data encryption, time stamp, distributed consensus and economic incentive, so as to solve the common high cost, low cost and low cost of centralized institutions Low efficiency and data storage insecurity provide solutions
the application fields of blockchain include digital currency, token, finance, anti-counterfeiting traceability, privacy protection, supply chain, entertainment, etc. with the popularity of blockchain and bitcoin, many related top domain names have been registered, which has a great impact on the domain name instry
codewords are not easy, please adopt them!
mines play an important role in supply (reward for calculation proof) and transaction matching. It's very complicated and difficult to calculate
but someone tells you that the price of bitcoin is determined by the cost of the mine. You can laugh and walk away. Ignorance and boldness are contagious.
since 2013, the U.S. Department of the Treasury and the securities and Futures Commission have repeatedly emphasized that MSB (money services business) is a financial license issued by FinCEN (financial crime enforcement network, a department under the jurisdiction of the U.S. Department of the Treasury) to supervise businesses and companies related to money services, including cross-border remittance, foreign exchange, etc, Currency transactions / transfers (including digital currency / virtual currency), ICO issuance, provision of prepaid items and issuance of traveler's checks, etc. Companies engaged in the above-mentioned businesses in the United States must apply for MSB license in order to legally conct business
under FinCEN regulations and under the U.S. Patriot Act, MSB is required to register with FinCEN and comply with many different record keeping, reporting and anti money laundering requirements. Registration requirements: according to the Bank Secrecy Act (BSA), when setting up financial services business, MSB needs to register with FinCEN. Registration is more than simply naming a company or paying a simple fee
it involves providing FinCEN with many very important information about MSB, such as the type of business it is engaged in, the financial institutions and bank accounts through which it may trade, the ownership or control of MSB, and the number of different branches and / or agents operating in the United States. Extra care should be taken throughout the registration process to ensure that all deadlines are met and that all information provided to FinCEN is accurate and does not need to be corrected in the future
licensing is of great significance for the current exchange. It can obtain the official permission of the relevant countries, and also reflects the political strength and credit of the exchange itself. Licensing is also a natural screening barrier for the numerous exchanges. For users, compliance operation under regulatory conditions is a great benefit, which means that users' investment will be legally protected.
single precision: the precision of float is 6 significant digits, the range is from - 38th power of 10 to 38th power of 10, float takes up 4 bytes of space
double precision: the precision of double is 15 significant digits, the range is from - 308th power of 10 to 308th power of 10, and double takes up 8 bytes of space.