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Stellar Dev Digest: Issue #63

Stellar Quest goes live, SDF’s quarter in review, and Protocol 14 improvements.

Hey everyone! Welcome to another issue of the Stellar Dev Digest, a weekly recap of all things related to the development of the Stellar Network.

What is Stellar? Stellar is a platform that connects banks, payment systems, and people. Integrate to move money quickly, reliably, and at almost no cost.

News & Posts of the Week

  • Reminder: The Protocol 14 rollout is underway! The testnet upgraded 9/30, and the vote to upgrade the public network is schedule for 10/28. If you’re building on Stellar, you need to prepare by installing up-to-date versions of relevant software, including Stellar Core, Horizon, and any Stellar SDKs you use. Here’s a guide with everything you need to know to get up to speed.
  • SDF’s Head of Ecosystem, Justin Rice, released a blog post that outlines the two big improvements made in the upcoming Protocol 14 network upgrade: Claimable Balances and Sponsored Reserves. — Read it here.
  • Securities.io interviewed SDF’s CEO, Denelle Dixon, and discussed her history with Mozilla, her journey to SDF, and the challenges of bringing cryptocurrency to the unbanked. — Read it here.
  • On Wednesday, Oct. 14, join a webinar hosted by the Digital Chamber of Commerce, featuring Denelle Dixon, SDF’s CEO & Executive Director, for a panel discussion about the future of money and the innovative solutions that are transforming our global economy. — Register here.
  • Join us on Thursday, Oct. 15, at 9:00 am PT for a presentation of Stellar Development Foundation’s quarter in review. — Register here.
  • Sam Conner and Marco Montes Neri, the founder of Saldo.mx, discuss the tremendous need that exists in the remittance space and how Saldo.mx aims to solve the problem by offering a digital peso on the open and inclusive Stellar network. — Listen here.

Application of the Week

This week I’m featuring Stellar Quest —Learn Stellar, win prizes!

Created by SDF’s own, Tyler van der Hoeven, Stellar Quest is a gamified educational series of Stellar related technical challenges where players compete to win custom-tokenized badges and XLM. The challenges will trickle out over the course of a month and the first one landed yesterday—Oct. 12! Here’s the schedule for Series 1:

If you’re looking for more details, you can either head over to quest.stellar.org or check out the Engineering Talk Tyler hosted last week. We’re looking forward to seeing you earn special badges and possibly… those XLM prizes!

Also: If you have questions or just want to chat about Stellar Quest, head over to the Discord.

Releases and Updates

Horizon 1.9.1 was released last week! This release fixed a bug that caused a fresh instance of Horizon to be unable to sync with testnet (Protocol 14) correctly. It also uses an underscore in JSON fields for claim predicate to make the API consistent. Find the release here.

Reminder: Stellar Core v14.1.1 was released two weeks ago. This release fixes a critical issue (that’s existed in all previous versions of Stellar Core) that may cause some nodes to fail to replay historical data. The issue can cause nodes to corrupt their local state, and the only way to recover is to reset the local state. Find the release here.

SDK Maintainers: You should have an SDK issue on your tracker that includes Protocol 14 implementation details. This issue lists the changes to the Horizon API introduced by CAP-23 and CAP-33. Here’s an example.

Subscribe here to get Stellar maintenance reminders and incident reports sent straight to your inbox.

Active Discussions

💬 This week I’m highlighting a conversation around a newly proposed SEP —Address Directory API!

Shared by Orbitlens, this standard describes an open REST API interface of StellarExpert’s service that maintains a list of well-known Stellar account addresses.

This curated list of Stellar addresses provides publicly available information about well-known accounts via a set of open REST API endpoints. The Address Directory API will be publicly available for everyone — free of charge.

An open directory enables Stellar-based apps to do some interesting things. For example: If an address is associated with an exchange, wallets can recommend a memo. If an address is associated with a scam, applications can throw a warning. The list goes on.

The Address Directory API open sources a lot of the dirty work applications would have to do in order to provide this type of experience to their users.

👉 Would this SEP be valuable to your application? Join the conversation on the mailing list.

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Did I Miss Something?

If you found that something from this issue is missing or inaccurate reach out to me (kolten) on Keybase and I’ll make sure to fix it 👍

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