File Backup:
On Windows:
1) Go to your C:\Users\[USERNAME]\AppData\Roaming\Syscoin\ folder and find the file called wallet.dat

2) Copy this to a flash drive or a private cloud account


On Mac:
1) Go to your /Users/[USERNAME]/Library/Application Support/Syscoin/ folder and find the file called wallet.dat

2) Copy this to a flash drive or a private cloud account


If your wallet is encrypted, be sure to write down the passphrase and keep it in a separate location from the flash drive.You may make as many backups as you feel are necessary.


Private Key Backup:


1) Go to Send/Receive and copy the address you would like to backup. You can only backup 1 address at a time in BlockMarket.
2) Go to the Console by clicking the profile icon in the top left corner and then clicking Console


3) Scroll to /dumpprivkey and click "Try it out"


4) Paste the address in the address string field and click "Execute"


5) Your Private Key will appear in the Response Body:


6) Copy this to a text file, or print it out and keep it in a safe place.  


Printing it out is also known as a "Paper Wallet". You do not need to remember or write down a passphrase for this method of backup.