This second approach requires the realization of your brain as a computer and your self as data. You may look at your arms and legs and casually consider your body to be just as much “you” as our brain is, but consider a valet parker stepping into many different cars. Does the driver change by entering a new car? Similarly, consciousness is not in your body, it’s in your brain, where approximately 86 billion neurons are ceaselessly processing information and relaying messages.
I touch on these in my posts about living forever, and it’s something I think about a lot.
I put my current chances at around 60% of making it 40 more years. And I put my chances of living forever based on one of these approaches at around 25%.
Maybe that’s high, but I’m an optimist. Hell, let’s call it 50%.