http://123100.i2p/info_en.html
The script creates a command, signs it with a digital signature, and sends it to the site.
The exchange process is similar to trading on an exchange: you top up your balance and place an order at the desired rate.
If there is a matching order in the order book at your specified price or a more favorable one, your order will be executed; if not, your order will be added to the order book.