Currency exchange website

The USDT24 cryptocurrency exchanger — a landing page with a complete exchange request cycle

Developed a single-page service for exchanging cryptocurrency and fiat (BTC, ETH, USDT ↔ Monobank/Privat24) — from a rate calculator to placing a request, without a CMS or heavy frameworks.

Site type
Single-page site
Niche
Currency exchange
Technologies
HTML5, CSS3, vanilla JS, Telegram Bot API
Client requirements
  • A landing page for exchanging crypto and fiat without a heavy CMS and extra hosting costs
  • The client immediately sees the current rate without refreshing the page manually
  • The exact exchange amount must be calculated before submitting a request
  • The request must collect all the client's necessary data in a minimum of steps
  • The rate on the site must match the real P2P market, but with the owner's own markup
  • Requests and rates must be managed without logging into the site's admin panel or having hosting access
What we did
  • A single-page site on HTML/CSS/JS + PHP, without frameworks or a database
  • Rate tickers in the header with mini charts (SVG), automatic data updates
  • A calculator with real-time auto-recalculation for any crypto↔fiat pair
  • Import of rates from P2P exchanges with automatic application of a % deviation (margin)
  • An admin panel in the form of a Telegram bot: view all requests in real time, change rates and the % deviation right from your phone
Images of the main screens
Website screenshots

Advantages of the site

Wallets are not stored on the siteMinimum code, maximum securityFast loadingAdmin panel in TelegramTransparent logic
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