[bitcoin-dev] BIP Proposal - Address Paste Improvement
ethan.scruples at gmail.com
Thu Nov 8 17:43:36 UTC 2018
>The problem will be to come up with an address authentication
procedure that will be convenient for users and widely supported, as a
You could locally hash the destination address and from the hash derive a
BIP39 style list of 12 words for visual comparison. I would advise against
using color or graphics -- the brain is too good at "snapping" to an
expected perception when it is running in graphics mode instead of symbolic
On Thu, Nov 8, 2018 at 4:41 AM Dmitry Petukhov via bitcoin-dev <
bitcoin-dev at lists.linuxfoundation.org> wrote:
> > Copying addresses to the clipboard should be discouraged, rather than
> > supported.
> Do you know any reasonably convenient mechanism for end user to
> transfer an address from, say, a web page to the wallet address
> input field ?
> The clipboard is just a low-hanging fruit for malware, anyway. It just
> the most easy point to replace an address. If the computer is
> compromized, malware can edit the web page in the memory of the browser
> process, for example. If it shown as QR code, malware can decode,
> detect that it is an address, and replace the image of QR code.
> I think that the only way to protect from this is to add some form of
> authentication for an address - 2fa (transfer checksum via second
> channel), visual fingerprints for addresses, that will are hard to
> detect (and hence, replace) for malware, signing the destination address
> with the key of an address that is already known and checking the
> signature, etc.
> The problem will be to come up with an address authentication procedure
> that will be convenient for users and widely supported, as a result.
> bitcoin-dev mailing list
> bitcoin-dev at lists.linuxfoundation.org
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