Fully Mobile-Responsive Website for Digital Currency Exchange

Expert programming & design team required to start immediate work to develop a fully functional mobile-responsive digital currency exchange website that is automated and integrated and that works perfectly on all computer and mobile devices. It must support 10 coins with the ability to add more later as required. You must deliver a UI/UX that is clean and modern with an easy to understand interface. The code must be 100% efficient and CANNOT have errors, bugs, spam or spyware, etc. Bidders MUST have extensive knowledge/experience with: 1. cryptocurrency or digital / virtual currency 2. blockchain wallet mechanisms 3. how fiat-to-crypto exchange business works (example: coinbase) 4. InfoSec Provide your bid with the time & cost proposal that you will honor. Include a link to past work. *IMPORTANT: - Undelivered or incomplete or low quality work will be disputed and unpaid. - The client/project owner (us) will own all work and the finished project, which cannot be resold in whole or part. - Upon satisfactory delivery and performance, on-going support services will be ordered. Only bid if you are a reputable team with strong experience and skills and you desire a long-term partnership. Thanks!