📅 Original date posted:2014-03-27
📝 Original message:I think not all alts (will) have magic numbers, at least not those defined e.g. with colored coins on top of an other chain.
Also note that the index should have MSB cleared as it would otherwise indicate private derivation.
Regards,
Tamas Blummer
http://bitsofproof.com
On 27.03.2014, at 16:57, Allen Piscitello <allen.piscitello at gmail.com> wrote:
> Don't most of these coins have a magic number already assigned that is unique? (0xD9B4BEF9 for Bitcoin, 0x0709110B for Testnet, FBC0XB6DB for Litecoin, etc...). This seems like a good candidate for identifying coins, and also supports Testnet cases well. Maybe there are some alts without such a magic number that might prevent that?
>
> -Allen
>
>
> On Thu, Mar 27, 2014 at 10:43 AM, Jeff Garzik <jgarzik at bitpay.com> wrote:
> On Thu, Mar 27, 2014 at 3:09 AM, Tamas Blummer <tamas at bitsofproof.com> wrote:
> > A notable suggestion was to instead of building a directory of magic numbers
> > (like 0 for Bitcoin, 1 for Litecoin etc) use a hash of the word "Bitcoin",
> > "Litecoin", "Dogecoin", so collosion is unlikely and
> > cetral directory is not needed.
>
> +1 good idea
>
> --
> Jeff Garzik
> Bitcoin core developer and open source evangelist
> BitPay, Inc. https://bitpay.com/
>
> ------------------------------------------------------------------------------
> _______________________________________________
> Bitcoin-development mailing list
> Bitcoin-development at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/bitcoin-development
>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140327/1242a957/attachment.html>;
-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 495 bytes
Desc: Message signed with OpenPGP using GPGMail
URL: <http://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140327/1242a957/attachment.sig>;
Tamas Blummer [ARCHIVE] /
npub1cc…ex8m8
2023-06-07 15:16:18
in reply to nevent1q…3h7g
Author Public Key
npub1ccegg9n9lnx6huppxg43m95488yur7pfemkn3pz0agjws5ffvtts0ex8m8Published at
2023-06-07 15:16:18Event JSON
{
"id": "46a06662b5ebb8198c38849365f67c5aa568bae3810aaba498bd975b0769c802",
"pubkey": "c632841665fccdabf021322b1d969539c9c1f829ceed38844fea24e8512962d7",
"created_at": 1686150978,
"kind": 1,
"tags": [
[
"e",
"d9ddea79394f356d989e65ab112610cc90e9929cf3c160da3cfe266aeba22200",
"",
"root"
],
[
"e",
"f63db2b4b9d80f803405580a0b61e7dd3b37fa349b71bfc6805d4572c05fa051",
"",
"reply"
],
[
"p",
"3327325c47cd736ff7b6960a646e8e38456e62cb2aa3cee04ac2560680ca8a3c"
]
],
"content": "📅 Original date posted:2014-03-27\n📝 Original message:I think not all alts (will) have magic numbers, at least not those defined e.g. with colored coins on top of an other chain.\n\nAlso note that the index should have MSB cleared as it would otherwise indicate private derivation. \n\nRegards,\n\nTamas Blummer\nhttp://bitsofproof.com\n\nOn 27.03.2014, at 16:57, Allen Piscitello \u003callen.piscitello at gmail.com\u003e wrote:\n\n\u003e Don't most of these coins have a magic number already assigned that is unique? (0xD9B4BEF9 for Bitcoin, 0x0709110B for Testnet, FBC0XB6DB for Litecoin, etc...). This seems like a good candidate for identifying coins, and also supports Testnet cases well. Maybe there are some alts without such a magic number that might prevent that?\n\u003e \n\u003e -Allen\n\u003e \n\u003e \n\u003e On Thu, Mar 27, 2014 at 10:43 AM, Jeff Garzik \u003cjgarzik at bitpay.com\u003e wrote:\n\u003e On Thu, Mar 27, 2014 at 3:09 AM, Tamas Blummer \u003ctamas at bitsofproof.com\u003e wrote:\n\u003e \u003e A notable suggestion was to instead of building a directory of magic numbers\n\u003e \u003e (like 0 for Bitcoin, 1 for Litecoin etc) use a hash of the word \"Bitcoin\",\n\u003e \u003e \"Litecoin\", \"Dogecoin\", so collosion is unlikely and\n\u003e \u003e cetral directory is not needed.\n\u003e \n\u003e +1 good idea\n\u003e \n\u003e --\n\u003e Jeff Garzik\n\u003e Bitcoin core developer and open source evangelist\n\u003e BitPay, Inc. https://bitpay.com/\n\u003e \n\u003e ------------------------------------------------------------------------------\n\u003e _______________________________________________\n\u003e Bitcoin-development mailing list\n\u003e Bitcoin-development at lists.sourceforge.net\n\u003e https://lists.sourceforge.net/lists/listinfo/bitcoin-development\n\u003e \n\n-------------- next part --------------\nAn HTML attachment was scrubbed...\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140327/1242a957/attachment.html\u003e\n-------------- next part --------------\nA non-text attachment was scrubbed...\nName: signature.asc\nType: application/pgp-signature\nSize: 495 bytes\nDesc: Message signed with OpenPGP using GPGMail\nURL: \u003chttp://lists.linuxfoundation.org/pipermail/bitcoin-dev/attachments/20140327/1242a957/attachment.sig\u003e",
"sig": "14cca5dd41ac615a4120089d51ec1bc7c351eb0b68325c934916091c66ee71dd259c29a0c1db12ff9ee788694412ab4b0a3bcf3025d7c1072f8c39e711a3e59c"
}