Users will have available multisig addresses which require
transactions to be signed off by a wallet HSM. (E.g. a keyfob
Hardware is a good thing. But only if you do the crypto in the
hardware and trust the hardware and its attack models ;) For
instance, the fingerprint readers you see everywhere... many
of them just present the raw fingerprint scan to the host (and
host software), instead of hashing the fingerprint internally and
using that as primitive in crypto exchanges with the host. They
cheaped out and/or didn't think. So oops, there went both your
security (host replay) and your personal privacy (biometrics),
outside of your control. All with no protection against physical
fingerprint lifting.
This doesn't remove the need to improve repository integrity. ... but
repository integrity is a general problem that is applicable to many
things (after all, what does it matter if you can't compromise Bitcoin
if you can compromise boost, openssl, or gcc?)
Yes, that case would matter zero to the end product. However
having a strong repo permits better auditing of the BTC codebase.
That's a good thing, and eliminates the need to talk chicken and
egg.
It's probably best
that Bitcoin specalists stay focused on Bitcoin security measures, and
other people interested in repository security come and help out
improving it. An obvious area of improvement might be oddity
detection and alerting: It's weird that I can rewrite history on
github, so long as I do it quickly, without anyone noticing.
If no one is verifying the repo, sure, even entire repos could be
swapped out for seemingly identical ones.
Many repos do not have any strong internal verification structures
at all, and they run on filesystems that accept bitrot.
Take a look at some OS's... OpenBSD and FreeBSD, supposedly
the more secure ones out there... both use legacy repos on FFS.
Seems rather ironic in the lol department.
Thankfully some people out there are finally getting a clue on these
issues, making and learning the tools, converting and migrating
things, working on top down signed build and distribution chain, etc...
so maybe in ten years the opensource world will be much farther
ahead. Or at least have a strong audit trail.
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