Life lenghtening and immortality would bring other problem, like how we feed all those people, the ones that dont die and the others that are born. But the optimistic scientists like Cordeiro believe that Science and Technology will solve these problems.
I'm sure they will find solutions by that time.
Is this the video:
Jose Cordeiro - The Death of Death ?
If you have 100,000BTC, what will you do?
100,000BTC is a big amount if you converted in into money but the problem is are you happy in your life if you have immortality? Well maybe you can do things like no normal person can do but still its not enough, yes i want also to live forever but God has a reason and a path that we should follow. We only live ones and make useful to it enjoy every moment until your last breath a long with your special someone.