📅 Original date posted:2014-05-19
📝 Original message: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
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140519/705629fa/attachment.html>;
Sergio Lerner [ARCHIVE] /
npub1vr…nc7jf
2023-06-07 15:21:36
in reply to nevent1q…vdgd
Author Public Key
npub1vrm6r7z5yreclgndkf90fqesh5vqpmfmaucks32zv0w0emmz4r8qznc7jfPublished at
2023-06-07 15:21:36Event JSON
{
"id": "ce3d3161e2039b8e614d636d298f26a16b438a4ce05a9fa4d5daacb1a3adc296",
"pubkey": "60f7a1f85420f38fa26db24af48330bd1800ed3bef3168454263dcfcef62a8ce",
"created_at": 1686151296,
"kind": 1,
"tags": [
[
"e",
"d30b28e456bef274130eabcfd37469931101e35cbb7eae21abca740750812e9b",
"",
"root"
],
[
"e",
"d7ed2f0d7fa51b40ff204e649f91459bfe9c7af49f8c9bbdb5bb6235b246c2be",
"",
"reply"
],
[
"p",
"ac99e5ca3122fca258fbfcb6cb62d10d4dba423b3243251cbc0c4e0042656dec"
]
],
"content": "📅 Original date posted:2014-05-19\n📝 Original message:Alex,\n\n I think that what you are talking about more or less something like\nthe Firmcoin\n\n Check: http://firmcoin.com/?p=92\n\n\nOn 18/05/2014 08:47 a.m., Alex Kotenko wrote:\n\u003e\n\u003e\n\u003e One problem we couldn't figure out here though - how to protect the\n\u003e notes from unauthorized redeem. Like if someone else tries to reach\n\u003e your wallet with his own NFC - how can we distinguish between\n\u003e deliberate redeem by owner and fraudulent redeem by anybody else with\n\u003e custom built long range NFC antenna? Any ideas?\n\u003e\n\u003e\nThe firmcoin has two capacitive buttons that you have to press in\nsequence to redeem to coins. No long range antenna can do that.\n\nBest regards,\n Sergio.\n\nPS: the device has patents pending\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140519/705629fa/attachment.html\u003e",
"sig": "256eed4a243de4179f878869180a57731c66453dc35f847b47c9f787f191476a176e65629122600c38649f08df80040d268240ad9ba41a4266db8cd80015842f"
}