Crypto Currency Exchange

This project is for software engineer that already completed succesfully exchange for cryptocurrencies. (A) General 1. We need BTC,ETH Exchange 2. Anyone who has previously developed a virtual coin exchange and is willing to sell us the code will be considered of priority [login to view URL] interested bidder should provide DEMO [login to view URL] will have a COPYRIGHT of the code (B) Tech Specification of the Exchange 1. A FULL virtual coin exchange (which means the code can be deployed immediately for business) 2. 4 Kind of users: customer, non verify customer, admin, support personal 3. Deposit and withdrawal for customer EUR and USD and 2 type of virtual coin. 3.1 Deposit is allowed trough credit/debit card, Withdrawal is allowed trough previous verified bank trasfer. Small and large withdrawal will be done automatically after account is verified. Admin withdrawal UI has a wallet list to [login to view URL] may send the virtual currency with few several wallet to single customer. 4. Customer registration -Name,Surname,email,password after this website send automatically confirmation email. When email is verify the website continue the signup of account and customer have to choise: -Person -Company PERSON PROFILE: This profile has 5 step: 1st step: customer need to insert a telephone number and website send 4 digit code for verify number. 2nd step: customer has to send a photo of documents 3th step: Add payment method: -SEPA or CREDIT or DEBIT CARD with 3D SECURE autenthication After this customer can deposit eur,usd in his account and buy cryptocoin(btc,eth) 5. Security Wise: - All buttons on the front end will need protect against fast mouse click. For instance, if a customer want to buy or sell, or request withdrawal, the front end button will need to disable after one mouse click and wait for the back end server to respond before enabling the button again. - The database will need to be "transactional" database to protect data integrity. This is to ensure all buy and sell execution will not overlap, that is all buy order executed will have one or multiple sell order matching it. - prevent sql injection - prevent data redundancy - Multiple browsers such as chrome, Firefox and IE and safari. - Script to backup mysql database every 30 min, every hour, every day, every week, every mont 6. Trading & Commission - every trading sell/buy will subtract 1 % commission to system wallet. Total commision per trading will be 2%. (Commission percentage can be edit by admin) - order book to display sell/buy virtual coin list - pause markets trading 7. Script that having low trading latency and support high volume. 8. The language of the website should be in ITALIAN easily modified in other language (EN). 9. One must show they meet the criteria mentioned above (3) Payment 1. The payment will be divided into two parts 2. First part will be settled after receiving the code and confirming the code meets the criteria mentioned in section(2) 3. The second part will be paid after the site is up and running without error (4) Additional 1. The successful bidder should provide FULL technical support. 2. All code shall be fully documented. 2. Plz put "Crypto Exchange" in the end of your bid to prove you have read through my text