Or he doesn't see why it should be valued at a high amount. As he says a check is a handy way to transfer money but isn't saleable for very much in itself.

It's been tested for over 10 years with the biggest bug bounty in the world.

Not the point. Besides, 10 years of testing still doesn't prove it's secure. Intel and AMD CPUs, manufactured since 1995 have the Meltdown and Spectre flaws that were only discovered recently.

Not security testing, I'm talking about testing economically. Decentralized currency has never been tested at scale. It's worked locally for many cultures, but never globally.