To export (import) a private key from your MFCoin Desktop QT wallet wallet:

1. launch your MFCoin-qt wallet as usual and wait for it to load the blockchain and start up
2. click on ‘help’ in the menu bar (top right)
3. click on ‘debug window’
4. select the ‘console’ tab
5. type: walletpassphrase “your walletpassphrase here” 600
6. for export key type: dumpprivkey [your MFCoin address here] 
7. for import key type: importprivkey [your private key here]
8. this will return the private key, you can copy it now; ensure you clear your clipboard/history afterwards
9. type: walletlock

To export a private key from your Android wallet wallet:

1. Settings -> Show recovery phrase
2. Go to http://mfcoin.net/recovery_tool
3. Input your recovery phrase to textbox “BIP39 recovery phrase”
4. Find your private keys below on the page in DERIVED ADDRESSES

To export a private key from your web wallet wallet:

1. Click gear icon (top right)
2. Click Export private keys