Even if someone else gets your private key the funds will be moved to another private wallet when a hacker tries to move your funds. Pretty innovative security. The created tested the system himself and it worked. If you want to read up on the cutting edge of crypto wallet security check it out:
https://decrypt.co/15949/this-system-makes-hacking-wallets-impossible-even-with-private-keys
Look into the blockd service. This will save people from the pain in the ass situation of losing crypto’s.