From: Sergio Lerner <sergiolerner@certimix•com>
To: Alex Kotenko <alexykot@gmail•com>,
bitcoin-development <bitcoin-development@lists•sourceforge.net>
Subject: Re: [Bitcoin-development] Paper Currency
Date: Mon, 19 May 2014 09:55:20 -0300 [thread overview]
Message-ID: <5379FF38.4050909@certimix.com> (raw)
In-Reply-To: <CALDj+Bbsb6JiLabTBx21k02dDvnmZZDCXmJ2mnh7DngBon202w@mail.gmail.com>
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Alex,
I think that what you are talking about more or less something like
the Firmcoin
Check: http://firmcoin.com/?p=92
On 18/05/2014 08:47 a.m., Alex Kotenko wrote:
>
>
> 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?
>
>
The firmcoin has two capacitive buttons that you have to press in
sequence to redeem to coins. No long range antenna can do that.
Best regards,
Sergio.
PS: the device has patents pending
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next prev parent reply other threads:[~2014-05-19 12:55 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
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 [this message]
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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