A 6-digit key is security key to share files and uses only one time in 10 minutes.
Once you use a 6-digit Key to receive files or after 10 minutes, the security key expires.
How to send files
1. Click [+] to add files or drop files/folders you want to send.
2. Created the 6-digit key.
3. Send the 6-digit key to the receiver.
4. In the 'Receive', enter the 6-digit key and the transfer will start.
※ Because sending files in real time, when sender or receiver stop sending files, it will be canceled.