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I think it will be useful for many people.
There are dozens of exchangers on the Internet and each of them has its own exchange rate. The monitoring service allows you to exchange electronic money at the best rates that can be found on the Internet. This site will give you the best currently available exchanger regarding its rate/reserve. All popular automatic exchangers are in this rating. The administrators take adding new exchangers to the rating seriously so you should not worry about the security of your exchanges.
Exchange rates are automatically updated for all exchangers every 5 seconds - they keep information really up to date at this monitoring service.