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From: Christopher Allen <ChristopherA@lifewithalacrity.com>
Date: Wed, 22 Jul 2020 18:52:41 -0700
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Subject: [bitcoin-dev] Seeking Tech Review of "Learning Bitcoin from the
	Command Line"
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Dear Bitcoin Experts,

Learning Bitcoin from the Command Line
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/>
was one of Blockchain Common <https://www.BlockchainCommons.com>'s first
offerings, and it remains one of the most popular. Not only has it received
on Github over 100 watches, 300 forks, and 1200 stars, but we also know of
a number of people who learned how to program Bitcoin from the course and
have become full-time developers in our community or have joined your ranks
as bitcoin-core contributors.

We think that it's a unique course precisely because of its command-line
focus, which makes it "intermediate" between the introductory courses and
the more intense summer workshop and internships for bitcoin development.

In the course, we teach the fundamental RPC commands for interacting with
Bitcoin Core, primarily using the bitcoin-cli command line, but also with
later in the course curl and via other programming languages via RPC. By
doing so, we provide a nuts-and-bolts guide to the functionality of
Bitcoin that
really teaches how it works, and so will continue to be useful even if
readers choose to move on to higher levels of abstraction that hide some of
the Bitcoin fundamentals.

We're hoping that we can get your help in reviewing the core material
making up our newest iteration of this course:
https://github.com/BlockchainCommons/Learning-Bitcoin
-from-the-Command-Line/blob/master/README.md

The majority of the original work on Learning Bitcoin was done in 2017, and
despite some interim updates, by the start of this year, it had become
outdated due to the rapid state of Bitcoin development. We've been
expending effort in the last few months to update all of our existing
examples, to change out commands that have been deprecated or defaults
changed to ensure that the outputs that students see match what they'd get
from the command line.

In addition to updating the old course, we've also added major new sections
on descriptors
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/03_5_Understanding_the_Descriptor.md>
, Segwit
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/04_6_Creating_a_Segwit_Transaction.md>,
P2WPKH
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/09_5_Scripting_a_P2WPKH.md>,
and Segwit Scripting
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/10_5_Scripting_a_Segwit_Script.md>
and
whole new chapters on PSBTs
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/07_0_Expanding_Bitcoin_Transactions_PSBTs.md>
(including
HWI) and Tor
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/14_0_Using_Tor.md>.
We think that what we have is some of the most accessible explanatory
matter available for these new topics at this intermediate level.

We'd love to get your comments on the whole front part of the course, from
Chapter 0 to 14. That's the complete, finished material on all of
`bitcoin-cli` and Bitcoin Scripting.

However, if you have limited time, the sections and chapters linked above
are the newest and rawest material in the course, and so those are the ones
that we'd like fact-checked the most. Either way, please feel free to
report out thoughts, comments, and corrections on the issues page
<https://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/issues>
or
to enter PRs for specific corrections.

If you don't have time for that either, we are also looking for financial
support to continue this project. Blockchain Commons has already paid out
of pocket for this initial work, as open infrastructure to improve the
blockchain community, but we need to be able to complete this project,
which involves putting together chapters 15 and up on interacting with
Bitcoin RPC using more programming languages (C, C++, Python, Go, Rust
Swift), using LibWally, and onward to using Lightning. (We've got scattered
material for most of these sections right now, but they are very early
drafts and still need to be finished, standardized, and polished.)

You can also support Learning Bitcoin by becoming an ongoing patron for
Blockchain Commons through Github at
https://github.com/sponsors/BlockchainCommons, starting at $20 a month.
This will both help fund Learning Bitcoin and in the future will support
other projects intended to improve blockchain and cryptocurrency
infrastructure, such as #SmartCustody, Bitcoin Standup, LetheKit,
cryptographic libraries and more. A number of bitcoin-core contributors
already have their "badge" of support listed on our Sponsors' page, add
yours!

Alternatively, we can accept one-time Bitcoin contributions directly at our
BTCPay server: https://btcpay.blockchaincommons.com/

Thank you for your help!

Christopher Allen
Principale Architect & Executive Director
Blockchain Commons

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Content-Transfer-Encoding: quoted-printable

<div dir=3D"ltr"><div class=3D"gmail_quote"><div dir=3D"ltr"><div>Dear=C2=
=A0<span>Bitcoin</span>=C2=A0Experts,</div><div><br><a href=3D"https://gith=
ub.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/"><span>Lea=
rning</span>=C2=A0<span>Bitcoin</span>=C2=A0from the Command Line</a> was o=
ne of <a href=3D"https://www.BlockchainCommons.com">Blockchain Common</a>&#=
39;s first offerings, and it remains one of the most popular. Not only has =
it received on Github over 100 watches, 300 forks, and 1200 stars, but we a=
lso know of a number of people who learned how to program=C2=A0<span>Bitcoi=
n</span>=C2=A0from the course and have become full-time developers in our c=
ommunity or have joined your ranks as bitcoin-core contributors.</div><div>=
<br></div><div>We think that it&#39;s=C2=A0a unique course precisely becaus=
e of its command-line focus, which makes it &quot;intermediate&quot; betwee=
n the introductory courses and the more intense summer workshop and interns=
hips for bitcoin development.</div><div><br></div><div>In the course, we=C2=
=A0teach the fundamental RPC commands for interacting with=C2=A0<span>Bitco=
in</span>=C2=A0Core, primarily using the=C2=A0<span>bitcoin</span>-cli comm=
and line, but also with later in the course curl and via other programming =
languages via=C2=A0RPC. By doing so, we provide a nuts-and-bolts guide to t=
he functionality of=C2=A0<span>Bitcoin</span>=C2=A0that really teaches how =
it works, and so will continue to be useful even if readers choose to move =
on to higher levels of abstraction that hide some of the=C2=A0<span>Bitcoin=
</span>=C2=A0fundamentals.</div><div></div><div><br></div><div>We&#39;re ho=
ping that we can get your help in reviewing the core material making up our=
 newest iteration of this course:</div><div><div></div><div><a href=3D"http=
s://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blo=
b/master/README.md" target=3D"_blank">https://github.com/BlockchainCommons/=
<span>Learning</span>-<span>Bitcoin</span>-from-the-Command-Line/blob/maste=
r/README.md</a></div></div><div><br></div><div><div>The majority of the ori=
ginal work on=C2=A0<span>Learning</span>=C2=A0<span>Bitcoin</span>=C2=A0was=
 done in 2017, and despite some interim updates, by the start of this year,=
 it had become outdated due to the rapid state of Bitcoin development. We&#=
39;ve been expending effort in the=C2=A0last=C2=A0few months to update all=
=C2=A0of our existing examples, to change out commands that have been depre=
cated or defaults changed to ensure that the outputs that students see matc=
h what they&#39;d get from the command line.</div><div><br></div><div>In ad=
dition to updating the old course, we&#39;ve also added major new sections =
on <a href=3D"https://github.com/BlockchainCommons/Learning-Bitcoin-from-th=
e-Command-Line/blob/master/03_5_Understanding_the_Descriptor.md" target=3D"=
_blank">descriptors</a>,=C2=A0<a href=3D"https://github.com/BlockchainCommo=
ns/Learning-Bitcoin-from-the-Command-Line/blob/master/04_6_Creating_a_Segwi=
t_Transaction.md" target=3D"_blank">Segwit</a>, <a href=3D"https://github.c=
om/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/09_=
5_Scripting_a_P2WPKH.md" target=3D"_blank">P2WPKH</a>, and <a href=3D"https=
://github.com/BlockchainCommons/Learning-Bitcoin-from-the-Command-Line/blob=
/master/10_5_Scripting_a_Segwit_Script.md" target=3D"_blank">Segwit Scripti=
ng</a>=C2=A0and whole new chapters on <a href=3D"https://github.com/Blockch=
ainCommons/Learning-Bitcoin-from-the-Command-Line/blob/master/07_0_Expandin=
g_Bitcoin_Transactions_PSBTs.md" target=3D"_blank">PSBTs</a>=C2=A0(includin=
g HWI) and <a href=3D"https://github.com/BlockchainCommons/Learning-Bitcoin=
-from-the-Command-Line/blob/master/14_0_Using_Tor.md" target=3D"_blank">Tor=
</a>. We think that what we have is some of the most accessible explanatory=
 matter available for these new topics at this intermediate level.</div><di=
v><br></div><div>We&#39;d love to get your comments on the whole front part=
 of the course, from Chapter 0 to 14. That&#39;s the complete, finished mat=
erial on all of `bitcoin-cli` and Bitcoin Scripting.</div><div><br></div><d=
iv>However, if you have limited time, the sections and chapters linked abov=
e are the newest and rawest material in the course, and so those are the on=
es that we&#39;d like fact-checked the most. Either way, please feel free t=
o report out=C2=A0<span style=3D"color:rgb(0,0,0)">thoughts, comments, and =
corrections on the=C2=A0</span><a href=3D"https://github.com/BlockchainComm=
ons/Learning-Bitcoin-from-the-Command-Line/issues" target=3D"_blank">issues=
 page</a><font color=3D"#000000">=C2=A0or to enter PRs for specific correct=
ions.</font></div><div></div></div><div><br></div><div>If you don&#39;t hav=
e time for that either, we are also looking for financial support to contin=
ue this project. Blockchain Commons has already paid out of pocket for this=
 initial work, as open infrastructure to improve the blockchain community, =
but we need to be able to complete this project, which involves putting tog=
ether chapters 15 and up on interacting with Bitcoin RPC using more program=
ming languages (C, C++, Python, Go, Rust Swift), using LibWally, and onward=
 to using Lightning. (We&#39;ve got scattered material for most of these se=
ctions right now, but they are very early drafts and still need to be finis=
hed, standardized, and polished.)</div><div><br></div><div>You can also sup=
port=C2=A0<span>Learning</span>=C2=A0<span>Bitcoin</span>=C2=A0by becoming =
an ongoing patron for Blockchain Commons through=C2=A0Github=C2=A0at=C2=A0<=
a href=3D"https://github.com/sponsors/BlockchainCommons" target=3D"_blank">=
https://github.com/sponsors/BlockchainCommons</a>, starting at $20 a month.=
 This will both help fund=C2=A0<span>Learning</span>=C2=A0<span>Bitcoin</sp=
an>=C2=A0and in the future will support other projects intended to improve =
blockchain and cryptocurrency infrastructure,=C2=A0such as #SmartCustody, B=
itcoin Standup,=C2=A0LetheKit, cryptographic libraries and more. A number o=
f bitcoin-core contributors already have their &quot;badge&quot; of support=
 listed on our Sponsors&#39; page, add yours!</div><div><br></div><div>Alte=
rnatively, we can accept one-time Bitcoin contributions directly at our BTC=
Pay server:=C2=A0<a href=3D"https://btcpay.blockchaincommons.com/" target=
=3D"_blank">https://btcpay.blockchaincommons.com/</a></div><div><div><div><=
span style=3D"color:rgb(80,0,80)"><div><font color=3D"#000000"><br></font><=
/div><div><font color=3D"#000000">Thank you for your help!</font></div><div=
><font color=3D"#000000"><br></font></div><div><font color=3D"#000000">Chri=
stopher Allen</font></div><div><font color=3D"#000000">Principale Architect=
 &amp; Executive Director</font></div><div><font color=3D"#000000">Blockcha=
in Commons</font></div></span></div></div></div></div>
</div></div>

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