A private key is like an unchangeable password, which is generated when you create a new cryptocurrency wallet. It should always be kept as safe ...
source https://www.google.com/url?rct=j&sa=t&url=https://qz.com/1432471/what-happens-to-your-bitcoin-after-you-die/&ct=ga&cd=CAIyGmM2Nzk3ODA2ZWViNjVjODI6Y29tOmVuOlVT&usg=AFQjCNGa0oA1v1dtLTP4iF6fAVP8fQ_5JA
