The most secure way to transfer cryptocurrency is by using an offline wallet. This involves storing the currency on a physical device, such as a USB drive or CD, and never connecting it to the internet. When transferring cryptocurrency, you would need to manually input the information into each party’s wallet, which makes it much harder for hackers to gain access to your funds. Additionally, it is also important to ensure that you are using a reputable wallet provider and to double-check all details before sending or receiving funds.