did you format your USB before use? over 90% of usbs come pre-loaded with virus/trojan/spyware/malware from the factory in CHINA. Did you know that? I heard that somewhere on another forum. Format that usb before using it.
Created a bootable OS.
Downloaded GitHub BitAddress.org
Went Offline
Generated Address & Private Key
Sent Bitcoin To Bitcoin Address
Put Public & Private Key on fresh USB and physical paper.
Will my Bitcoin be secure? Of course I could lose them by plugging in the USB and getting compromised but the USB is just a back up
I spread my Bitcoin across 4 paper wallets...