Cryptocurrency:

[Karl]

On Sat, May 23, 2020, 8:05 AM other.arkitech <other.arkitech at protonmail.com>
wrote:

> The solution for this problem doesn't fall into the blockchain platform.
> The platform will delete the information if evidence signed by the right
> private key is presented.
>

BSV is a blockchain platform that has been working well for me for this
purpose of information preservation.

If you want to protect a piece of information from "rubberhosing" you must
> follow a procedure to safeguard it. for instance :
> 1. break down your key into several parts, using the Shamir secret sharing
> squeme.
> 2 spread the parts acros a distributed group of people you trust
> 3 delete the key so nobody can force you to reveal
> 4 the attacker must have to coherce a number of people to reconstruct the
> private key
>

It is true "rubberhosing" is usually mentioned in the context of secrecy
and privacy, but it can also be used to force erasure and destruction of
information.  In such a case it does not matter whether it is encrypted or
not: the device that holds it can be destroyed.

Additionally many can indeed coerce a large number of people.  The network
would need to preserve the information even if all parties purport to want
it removed.  Most blockchains have pulled that off, although I imagine
there are other solutions too.
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