Recently, I came across a pretty frightening case. Someone bought a so-called "cold wallet" on social media, and overnight, 50 million was gone—truly a bloody lesson.
Actually, many beginners don’t understand the difference between cold wallets and hot wallets. Simply put, a cold wallet is a completely offline physical device, like an upgraded USB drive, not connected to the internet during normal use, only plugged in when needed. A hot wallet, on the other hand, is a software wallet that is always online, convenient and quick. Large-scale investors usually choose cold wallets for long-term st