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From: Christopher Allen <ChristopherA@lifewithalacrity.com>
Date: Thu, 13 May 2021 07:52:19 -0700
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To: Bitcoin Protocol Discussion <bitcoin-dev@lists.linuxfoundation.org>
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Subject: [bitcoin-dev] Introductory Video on Blockchain Commons UR/QR Tech
	Now Available
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Over the last few years, Blockchain Commons
<https://www.BlockchainCommons.com/> has been working with our Airgapped
Wallet Community
<https://github.com/BlockchainCommons/Airgapped-Wallet-Community> to
produce interoperability specifications to improve Bitcoin wallet usage =E2=
=80=94
and in the future, other cryptocurrency applications, such as Ethereum
wallets, and other cryptography aps, such as chat systems, key-management
programs, and more. Our goal is to improve the independence, security, and
resilience of cryptographic systems.

We recently put together an introductory video to talk about our
initiatives:

* https://www.youtube.com/watch?v=3DRYgOFSdUqWY

We've been working on encoding methods, improved sharding methods, better
user interfaces, partitioned architectures, multisig patterns and more.
It's all in there!

We've also begun work on new documentation for developers, to help
introduce some of our specifications. That begins with a look at Uniform
References, our typed method for encoding binary data in plain-text strings
that are also well-formed URIs suitable for QR.

* UR Overview =E2=80=94
https://github.com/BlockchainCommons/crypto-commons/blob/master/Docs/ur-1-o=
verview.md
* A Guide to Using UR for Key Material =E2=80=94
https://github.com/BlockchainCommons/crypto-commons/blob/master/Docs/ur-2-k=
eys.md

(We've got a few more docs coming soon on using URs interactively and for
animated PSBTs and shamir seed shares.)

If anyone is interested in talking about these specifications and other
technologies more, I'm always enthusiastic to do so, here or in the Airgapp=
ed
Wallet Community Discussions
<https://github.com/BlockchainCommons/Airgapped-Wallet-Community/discussion=
s>.
I'm also enthusiastic to get more developers on board in using these
technologies, joining folks like Fully Noded, AirGap Vault, BlueWallet,
Cobo Wallet, and Sparrow Wallet =E2=80=94 interoperability takes a communit=
y!

For further details, I've included a set of links for the topics covered in
the video.

Christopher Allen
President, Blockchain Commons

COMMUNITY LINKS

* Blockchain Commons Website =E2=80=94 https://www.blockchaincommons.com/
* Blockchain Commons Repos =E2=80=94 https://github.com/BlockchainCommons
* Airgapped Wallet Community =E2=80=94
https://github.com/BlockchainCommons/Airgapped-Wallet-Community

BLOCKCHAIN COMMONS TECHNOLOGIES

* ByteWords =E2=80=94
https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-0=
12-bytewords.md
* LifeHash =E2=80=94 https://github.com/BlockchainCommons/bc-lifehash
* SSKR =E2=80=94
https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-0=
11-sskr.md
* Uniform Resources (URs) =E2=80=94
https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-0=
05-ur.md
   * Registry of UR Types =E2=80=94
https://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-0=
06-urtypes.md

RELATED LIBRARIES

* ByteWords =E2=80=94
https://github.com/BlockchainCommons/crypto-commons#bc-bytewords
* LifeHash =E2=80=94 https://github.com/BlockchainCommons/crypto-commons#li=
fehash
* SSKR =E2=80=94 https://github.com/BlockchainCommons/crypto-commons#bc-ssk=
r
* UR =E2=80=94 https://github.com/BlockchainCommons/crypto-commons#bc-ur

SECURITY ARCHITECTURES & METHODS

* #SmartCustody =E2=80=94 https://www.smartcustody.com/
* TorGap =E2=80=94 https://github.com/BlockchainCommons/torgap
* Designing Multisigs for Independence & Resilience -
https://github.com/BlockchainCommons/Gordian/blob/master/Docs/Multisig.md

EDUCATION
* Learning Bitcoin from the Command Line 2.0 -
https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line

APPLICATIONS MENTIONED

* Gordian Guardian =E2=80=94
https://github.com/BlockchainCommons/GordianGuardian-iOS
* Gordian Server =E2=80=94 https://github.com/BlockchainCommons/GordianServ=
er-macOS
* Gordian Wallet =E2=80=94 https://github.com/BlockchainCommons/GordianWall=
et-iOS
* Keytool =E2=80=94 https://github.com/BlockchainCommons/keytool-cli
* LetheKit =E2=80=94 https://github.com/BlockchainCommons/lethekit
* Seedtool =E2=80=94 https://github.com/BlockchainCommons/seedtool-cli

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<div dir=3D"ltr"><div dir=3D"ltr"><div dir=3D"ltr"><div></div><div><div>Ove=
r the last few years, <a href=3D"https://www.BlockchainCommons.com/">Blockc=
hain Commons</a> has been working with our <a href=3D"https://github.com/Bl=
ockchainCommons/Airgapped-Wallet-Community">Airgapped Wallet Community</a> =
to produce interoperability specifications to improve Bitcoin wallet usage =
=E2=80=94 and in the future, other cryptocurrency applications, such as Eth=
ereum wallets, and other cryptography aps, such as chat systems, key-manage=
ment programs, and more. Our goal is to improve the independence, security,=
 and resilience of cryptographic systems.<br></div><div><br></div><div>We r=
ecently put together an introductory video to talk about our initiatives:</=
div><div><br></div><div>* <a href=3D"https://www.youtube.com/watch?v=3DRYgO=
FSdUqWY">https://www.youtube.com/watch?v=3DRYgOFSdUqWY</a></div><div><br></=
div><div>We&#39;ve been working on encoding methods, improved sharding meth=
ods, better user interfaces, partitioned architectures, multisig patterns a=
nd more. It&#39;s all in there!</div><div><br></div><div>We&#39;ve also beg=
un work on new documentation for developers, to help introduce some of our =
specifications. That begins with a look at Uniform References, our typed me=
thod for encoding binary data in plain-text strings that are also well-form=
ed URIs suitable for QR.</div><div><br></div><div>* UR Overview =E2=80=94 <=
a href=3D"https://github.com/BlockchainCommons/crypto-commons/blob/master/D=
ocs/ur-1-overview.md">https://github.com/BlockchainCommons/crypto-commons/b=
lob/master/Docs/ur-1-overview.md</a></div><div>* A Guide to Using UR for Ke=
y Material =E2=80=94 <a href=3D"https://github.com/BlockchainCommons/crypto=
-commons/blob/master/Docs/ur-2-keys.md">https://github.com/BlockchainCommon=
s/crypto-commons/blob/master/Docs/ur-2-keys.md</a></div><div><br></div><div=
>(We&#39;ve got a few more docs coming soon on using URs interactively and =
for animated PSBTs and shamir seed shares.)</div><div><br></div><div>If any=
one is interested in talking about these specifications and other technolog=
ies more, I&#39;m always enthusiastic to do so, here or in the <a href=3D"h=
ttps://github.com/BlockchainCommons/Airgapped-Wallet-Community/discussions"=
>Airgapped Wallet Community Discussions</a>. I&#39;m also enthusiastic to g=
et more developers on board in using these technologies, joining folks like=
 Fully Noded, AirGap Vault, BlueWallet, Cobo Wallet, and Sparrow Wallet =E2=
=80=94 interoperability takes a community!</div><div><br></div><div>For fur=
ther details, I&#39;ve included a set of links for the topics covered in th=
e video.</div><div><br></div><div>Christopher Allen</div><div>President, Bl=
ockchain Commons</div><div><br></div><div>COMMUNITY LINKS</div><div><br></d=
iv><div>* Blockchain Commons Website =E2=80=94 <a href=3D"https://www.block=
chaincommons.com/">https://www.blockchaincommons.com/</a></div><div>* Block=
chain Commons Repos =E2=80=94 <a href=3D"https://github.com/BlockchainCommo=
ns">https://github.com/BlockchainCommons</a></div><div>* Airgapped Wallet C=
ommunity =E2=80=94 <a href=3D"https://github.com/BlockchainCommons/Airgappe=
d-Wallet-Community">https://github.com/BlockchainCommons/Airgapped-Wallet-C=
ommunity</a></div><div><br></div><div>BLOCKCHAIN COMMONS TECHNOLOGIES</div>=
<div><br></div><div>* ByteWords =E2=80=94 <a href=3D"https://github.com/Blo=
ckchainCommons/Research/blob/master/papers/bcr-2020-012-bytewords.md">https=
://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-012-by=
tewords.md</a></div><div>* LifeHash =E2=80=94 <a href=3D"https://github.com=
/BlockchainCommons/bc-lifehash">https://github.com/BlockchainCommons/bc-lif=
ehash</a></div><div>* SSKR =E2=80=94 <a href=3D"https://github.com/Blockcha=
inCommons/Research/blob/master/papers/bcr-2020-011-sskr.md">https://github.=
com/BlockchainCommons/Research/blob/master/papers/bcr-2020-011-sskr.md</a><=
/div><div>* Uniform Resources (URs) =E2=80=94 <a href=3D"https://github.com=
/BlockchainCommons/Research/blob/master/papers/bcr-2020-005-ur.md">https://=
github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-005-ur.md=
</a></div><div>=C2=A0 =C2=A0* Registry of UR Types =E2=80=94 <a href=3D"htt=
ps://github.com/BlockchainCommons/Research/blob/master/papers/bcr-2020-006-=
urtypes.md">https://github.com/BlockchainCommons/Research/blob/master/paper=
s/bcr-2020-006-urtypes.md</a></div><div><br></div><div>RELATED LIBRARIES</d=
iv><div><br></div><div>* ByteWords =E2=80=94 <a href=3D"https://github.com/=
BlockchainCommons/crypto-commons#bc-bytewords">https://github.com/Blockchai=
nCommons/crypto-commons#bc-bytewords</a></div><div>* LifeHash =E2=80=94 <a =
href=3D"https://github.com/BlockchainCommons/crypto-commons#lifehash">https=
://github.com/BlockchainCommons/crypto-commons#lifehash</a></div><div>* SSK=
R =E2=80=94 <a href=3D"https://github.com/BlockchainCommons/crypto-commons#=
bc-sskr">https://github.com/BlockchainCommons/crypto-commons#bc-sskr</a></d=
iv><div>* UR =E2=80=94 <a href=3D"https://github.com/BlockchainCommons/cryp=
to-commons#bc-ur">https://github.com/BlockchainCommons/crypto-commons#bc-ur=
</a></div><div><br></div><div>SECURITY ARCHITECTURES &amp; METHODS</div><di=
v><br></div><div>* #SmartCustody =E2=80=94 <a href=3D"https://www.smartcust=
ody.com/">https://www.smartcustody.com/</a></div><div>* TorGap =E2=80=94 <a=
 href=3D"https://github.com/BlockchainCommons/torgap">https://github.com/Bl=
ockchainCommons/torgap</a></div><div>* Designing Multisigs for Independence=
 &amp; Resilience - <a href=3D"https://github.com/BlockchainCommons/Gordian=
/blob/master/Docs/Multisig.md">https://github.com/BlockchainCommons/Gordian=
/blob/master/Docs/Multisig.md</a></div><div><br></div><div>EDUCATION</div><=
div>* Learning Bitcoin from the Command Line 2.0 - <a href=3D"https://githu=
b.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line">https://git=
hub.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line</a></div><=
div><br></div><div>APPLICATIONS MENTIONED</div><div><br></div><div>* Gordia=
n Guardian =E2=80=94 <a href=3D"https://github.com/BlockchainCommons/Gordia=
nGuardian-iOS">https://github.com/BlockchainCommons/GordianGuardian-iOS</a>=
</div><div>* Gordian Server =E2=80=94 <a href=3D"https://github.com/Blockch=
ainCommons/GordianServer-macOS">https://github.com/BlockchainCommons/Gordia=
nServer-macOS</a></div><div>* Gordian Wallet =E2=80=94 <a href=3D"https://g=
ithub.com/BlockchainCommons/GordianWallet-iOS">https://github.com/Blockchai=
nCommons/GordianWallet-iOS</a></div><div>* Keytool =E2=80=94 <a href=3D"htt=
ps://github.com/BlockchainCommons/keytool-cli">https://github.com/Blockchai=
nCommons/keytool-cli</a></div><div>* LetheKit =E2=80=94 <a href=3D"https://=
github.com/BlockchainCommons/lethekit">https://github.com/BlockchainCommons=
/lethekit</a></div><div>* Seedtool =E2=80=94 <a href=3D"https://github.com/=
BlockchainCommons/seedtool-cli">https://github.com/BlockchainCommons/seedto=
ol-cli</a></div></div></div></div></div>

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