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I don't think anything will last forever... But there are two ways blockchain might die:

  • If every single computer running its nodes stopped somehow, or was cut off the internet. That's unlikely, but who knows what'll happen in the future.

  • If some new technology made the blockchain's encryption methods obselete. Like making hacking users passwords for HIVE trivial. If no hardfork came to solve it, the blockchain will die. Even if a hardfork came to solve it, the damage might be already done to many user accounts making the blockchain lose its value.

If human beings do not last forever, how much more of technology like Hi

It will last decades especially as #Technology gets cheaper per performance.

There will be other networks built as there are today.

What factors contribute to the longevity of technology in the coming decades?

The cost of servers to run the blockchain. As that gets cheaper over time, more will be able to run servers, which expands the longevity of the chain.

That will hopefully be fueled by more being added to the data base, and utilized by different applications.

Alright. Thank you.