Spending your BTC? Nah, just hoard them, man! They'l be worth much more in the future. The only thing is you have to make sure to spend them before your death or they won't be of much worth for you anymore. You most likely won't be allowed to keep them in your next incarnation!
Well, if you really believe you will be returning to Earth after dying, you can trust the Gibraltar registered
Reincarnation Bank: Afterlife financial planning to keep your btc:
http://www.euromoney.com/Article/2626650/Reincarnation-Bank-Afterlife-financial-planning.html.
"Reincarnation Bank offers a safe-keeping for any asset you wish to deposit through your transition into the next life," its website trumpets. "If you leave nothing purposely behind when you die, then what is there here for you when you return?"
The bank kindly offers to look after deeds, bonds and tangible assets such as fine art, jewellery and real estate. In the next life, all claims "may be subject to verification through regression", which means you will have to prove under hypnosis that you are who you say you are.