## FAQ

🔹 **How does it work?**

Bitdeals signs every deal. The signature is a guarantee of the possibility of leaving a feedback of the seller and the money distribution between the parties according to the deal end status.

🔹 **What happens if the amount on a deal balance exceeds the sum of this deal?

In this case, upon completion of the deal, the excess amount will be transferred to the address of a buyer in this deal.

🔹 **How much is the service fees?**

We charge the service fee is 0.5% of a deal amount. Maximum service fee is 0.001 BTC. Bitcoin transaction fee is included in our service fee, currently it is from 200 to 2000 satoshi. 

Commission of a deal arbitrator is set by the arbitrator.

🔹 **How-to check a PGP deal signature?**

To check the PGP deal signature you should use our [bitdeals.org/pgp](https://bitdeals.org/pgp ""), and a PGP program for signature verification on your device, for example, the [GPG Suite](https://gpgtools.org/) for Mac users or the [Gpg4win](https://www.gpg4win.org/) for Windows users.

🔹 **Why you use Bitmessage?**

Because it is ensures a user privacy, since [Bitmessage](https://bitmessage.org/bitmessage.pdf) is a P2P communication protocol that encrypts messages, masks the sender and receiver of messages from others, and guarantees the sender of message cannot be spoofed.

🔹 **Can I sell a decriminalized drugs in my country?** 

No, you can't. We don't provide our service at turnover of an age-restricted products. You can read the full restrictions list [here](../info/terms).

🔹 **Do you have the Bitcoin testnet support?** 

Yes. Please use special testnet PGP key: [bitdeals.org/pgp](https://testnet.bitdeals.org/pgp "").