5 Tips to Prevent Hackers From Stealing Your Crypto Assets: Don't brag about how crypto rich you are. Store the bulk of your crypto assets in a cold wallet such as Ledger or Trezor. Use a secure device to open a new wallet and transfer your assets to a secure address that you followed the recommendation above. Use 2FA (two-factor authentication) options offered by digital services you use. Monitor your devices for signs of a breach by itself, warnings for signs from new devices by itself.