From: Alex Kotenko <alexykot@gmail•com>
To: Andreas Schildbach <andreas@schildbach•de>
Cc: Bitcoin Dev <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Paper Currency
Date: Sun, 18 May 2014 13:51:57 +0100 [thread overview]
Message-ID: <CALDj+BaQ5sn9_=KAmNUUbmDva2g3mabm_wmcL_gibLyci5zFUQ@mail.gmail.com> (raw)
In-Reply-To: <lla87r$l7j$1@ger.gmane.org>
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Yes, but it must not sacrifice usability. It's paper money, people are used
to it and they have rather high standard of expectations in this area. Any
usbility sacrifices in this area result into failure of the whole thing.
Best regards,
Alex Kotenko
2014-05-18 13:14 GMT+01:00 Andreas Schildbach <andreas@schildbach•de>:
> > One problem we couldn't figure out here though - how to protect the
> > notes from unauthorized redeem. Like if someone else tries to reach your
> > wallet with his own NFC - how can we distinguish between deliberate
> > redeem by owner and fraudulent redeem by anybody else with custom built
> > long range NFC antenna? Any ideas?
>
> I think you'd need multiple factors to protect against that attack. Like
> encrypting with a key that is printed on the note as an QR code.
>
>
>
>
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next prev parent reply other threads:[~2014-05-18 12:52 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-05-17 15:31 Jerry Felix
2014-05-17 15:45 ` Matt Whitlock
2014-05-17 16:07 ` Chris Pacia
2014-05-17 16:40 ` Gregory Maxwell
2014-05-18 11:47 ` Alex Kotenko
2014-05-18 12:14 ` Andreas Schildbach
2014-05-18 12:51 ` Alex Kotenko [this message]
2014-05-19 13:06 ` Brooks Boyd
2014-05-19 13:50 ` Alex Kotenko
2014-05-18 13:50 ` Natanael
2014-05-18 18:47 ` Alex Kotenko
2014-05-18 20:10 ` Natanael
2014-05-19 10:26 ` Alex Kotenko
2014-05-19 12:55 ` Sergio Lerner
2014-05-19 13:34 ` Martin Sip
2014-05-19 13:53 ` Alex Kotenko
2014-05-19 14:47 ` [Bitcoin-development] patents Adam Back
2014-05-19 15:09 ` Mike Hearn
2014-05-19 18:27 ` Peter Todd
2014-05-19 18:40 ` Mike Hearn
2014-05-19 18:43 ` Gregory Maxwell
2014-05-19 18:46 ` Peter Todd
2014-05-19 18:49 ` Mike Hearn
2014-05-19 22:15 ` Bernd Jendrissek
2014-05-20 10:30 ` Jeff Garzik
2014-05-18 13:50 ` [Bitcoin-development] Paper Currency Andreas Schildbach
2014-05-19 12:21 ` Mike Hearn
2014-05-19 18:20 ` Justus Ranvier
2014-05-19 18:39 ` Peter Todd
2014-05-18 19:54 Jerry Felix
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