Estate planning faces a challenge, if death is not a certainty.
Cryogenics could create challenges for tax authorities and estate planners, according to Wealth Management in "Do Zombies Pay Taxes?"
For people planning their estates, the challenges are even greater. They will need to decide how much of their assets should be set aside for their own future life and how much should be distributed to their families who will need to survive in the interim.
Reference: Wealth Management (Dec. 20, 2017) "Do Zombies Pay Taxes?"