Job description
I need a simple, no login, cryptocurrency exchange with cold and hot wallets. Taking exchange rate after API from 3 sources on the outside. , Taking into account spread and commission. Generating a link and page for the transaction, calculating the amount a live customer will get for a certain amount of cryptocurrency.
XMR - USDC, USDT, BTC and USDC, USDT, BTC - XMR
something along the lines of:
exolix.com
fixedfloat.com
of course, with fewer currencies