Maybe we will pivot back to in-person meetings for important transactions.
Some large company will claim to invent a product that solves the problem. It will fail some of the time, but that doesn't matter as customers of the product will have someone to blame. No one will ever be actually held accountable for failures as some combination of lawsuits and "you're holding it wrong" will be sufficient to deflect liability from the large company. And anyway there's no real choice as all the other large companies who also have solutions in this area are equally as bad.
There’s many hopes riding on decentralized options.
But verification is hard.
Which is why all information networks tend to concentrate in some form or the other - to reduce the effort needed to authenticate
We even have hardware keys that are capable of that in most big corp techworkers pockets already.
When an "emergency" happens, and the caller claims they're not able to use the regular channels of communication, how do you authenticate them?
What is hard is getting this implemented in consumer apps in a way that user doesn't need to know nor fully understand it, but only understand it to a degree to differenciate unsafe channels from safe.
> The Vigna deepfaker began explaining that he was calling from a different mobile phone number because he needed to discuss something confidential
Also, phones get stolen and people lose their phones. This is fundamentally a social problem. Technology can help but not solve it.
hallucinations aren't a problem for well trod ground.
SSH is another example of something that productized the ideas in PGP but easy and straightforward (for typical Unix users at least)
I'm sure there's others