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2 changes: 2 additions & 0 deletions _includes/references.md
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[newsletter #16]: {{news16}}
{% assign news17 = "/en/newsletters/2018/10/16/" %}
[newsletter #17]: {{news17}}
{% assign news19 = "/en/newsletters/2018/10/30/" %}
[newsletter #19]: {{news19}}

{% comment %}
<!--REQUIRES PERIODIC UPDATE: update rpc_version below to latest
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66 changes: 63 additions & 3 deletions _posts/en/newsletters/2018-11-13-newsletter.md
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lang: en
---
This week's newsletter summarizes a few discussions on the Lightning-Dev
mailing list and suggests an opportunity to develop a new tool some
users would find helpful. Several notable code changes in popular
Bitcoin infrastructure projects are also described.
mailing list, suggests an opportunity to develop a new tool some users would
find helpful, and provides summaries and links to some of the talks at the
recent Chaincode Lightning Applications residency. Several notable code
changes in popular Bitcoin infrastructure projects are also described.

## Action items

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implement such a tool were discussed both during and [after][core
dev log] the meeting.

## Lightning Application Residency Videos

As reported previously in [newsletter #19][], Chaincode Labs recently hosted a
five-day [residency program][] for developing applications on the Lightning
Network, including presentations from experts in the space. Videos of the
[presentations][] and [resident demos][] have now been posted online, along
with the slide decks for the expert presentations. The following
talks may be of particular interest to members:

[residency program]: https://lightningresidency.com
[presentations]: https://lightningresidency.com/#videos
[resident demos]: https://www.youtube.com/playlist?list=PLpLH33TRghT2jmuP9YQRo-e8gk969Q2F_

- [**The Lightning Protocol - an Application Developers Perspective**][bosworth
video] - [Alex Bosworth][bosworth], infrastructure lead at Lightning Labs,
gives a comprehensive overview of the Lightning protocol, explaining all of the
[BOLTs][], and how they are relevant for developers building on top of the
protocol. This talk should be useful for any developers wanting to integrate
Lightning into products or services.

[bosworth video]: https://www.youtube.com/watch?v=1R5DNUcCYRg&list=PLpLH33TRghT1SbxinAsNDS6L7RkAjC8ME&index=6&t=0s
[bosworth]: https://twitter.com/alexbosworth
[BOLTs]: https://github.com/lightningnetwork/lightning-rfc

- [**Lightning ≈ Bitcoin**][decker video] - [Christian Decker][decker], Core Tech
Engineer at Blockstream, describes the similarities and differences between
Bitcoin and Lightning payments, highlighting where on-chain transactions are
more appropriate then off-chain (and vice versa). He finishes with a summary
of enhancements that may be proposed at the November 2018 Lightning protocol
meeting.

[decker video]: https://www.youtube.com/watch?v=8lMLo-7yF5k&list=PLpLH33TRghT1SbxinAsNDS6L7RkAjC8ME&index=5&t=0s
[decker]: https://twitter.com/Snyke

- [**Integrating Lightning into Bitrefill**][camarena video] - [Justin
Camarena][camarena], infrastructure engineer at bitrefill, explains how
bitrefill integrated lightning payments into their store. Bitrefill was
one of the first Bitcoin merchants to start accepting mainnet Lightning
payments, and Justin shows us how they integrated Lightning into their
infrastructure, and the challenges they met and overcame along the way.
For those interested in a high level overview of bitrefill's experience
with Lightning, the [talk by Sergej Kotliar at Building on Bitcoin][kotliar
BoB], covered in [newsletter #3][] will also be of interest.

[camarena video]: https://www.youtube.com/watch?v=RZtx6ZMLDrQ&list=PLpLH33TRghT1SbxinAsNDS6L7RkAjC8ME&index=12&t=0s
[camarena]: https://twitter.com/juscamarena
[kotliar BoB]: https://www.youtube.com/watch?v=Cpid31c6HZc&feature=youtu.be&t=8m49s

- [**Zap - UX, Design and Product approach**][mallers video] -
[Jack Mallers][mallers], founder of Zap, explains his approach to product
design and user experience. Lightning can potentially solve a lot of user
experience issues associated with using Bitcoin, but also brings up some user
experience challenges of its own. Jack explains how he thinks about user
experience in Zap, the UX challenges he's faced building the product and how
he's solved them.

[mallers video]: https://www.youtube.com/watch?v=R0C83h-ZM-4&list=PLpLH33TRghT1SbxinAsNDS6L7RkAjC8ME&index=17&t=0s
[mallers]: https://twitter.com/JackMallers

## Notable code changes

*Notable code changes this week in [Bitcoin Core][core commits],
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