What is this guy mean by Cold wallet ???!!!!
https://prntscr.com/a7f44x
https://prntscr.com/a7f4ay
https://prntscr.com/a7f4f7
StrongCore (02-25-2016)
Offline wallet for savings
An offline wallet, also known as cold storage, provides the highest level of security for savings. It involves storing a wallet in a secured place that is not connected to the network. When done properly, it can offer a very good protection against computer vulnerabilities. Using an offline wallet in conjunction with backups and encryption is also a good practice. Here is an overview of some approaches.
Source: https://bitcoin.org/en/secure-your-wallet
StrongCore (02-25-2016)