Blogs
Developers
Protocol Upgrades
An ever-evolving network
Article
• Stellar Development Foundation
Protocol 22 Upgrade Guide
Protocol upgrade
Soroban
Your go-to guide for upgrading to Protocol 22, which introduces constructors and host functions for BLS12-381 to the Stellar network.
Article
• Nicole Adair
Protocol 21 Upgrade Guide
Your go-to guide for upgrading to Protocol 21, which introduces secp256r1, improvements to state archival, and fee optimizations to the Stellar…
Article
• Stellar Development Foundation
Protocol 20 Upgrade Guide
Protocol upgrade
Soroban
Your go-to guide for upgrading to Protocol 20, which introduces support for Soroban smart contracts to Stellar.
Article
• Justin Rice
Protocol 19 Upgrade Complete!
Today, June 8, 2022 at 15:00 UTC, the Stellar public network successfully upgraded to Protocol 19! If you're having trouble with your Stellar…
Article
Article
• Justin Rice
Protocol 18 Upgrade Complete!
Protocol upgrade
AMM
Liquidity
Today, November 3, 2021 at 15:00 UTC, the Stellar public network successfully upgraded to Protocol 18. It's a big day and a big upgrade because it…
Article
• Justin Rice
Protocol 18 Upgrade Guide
Protocol upgrade
AMM
Liquidity
Protocol 18, which enables the creation of AMMs on Stellar, is coming! If you develop on Stellar, you need to install up-to-date versions of all…
Article
• Justin Rice
Protocol 17 Upgrade Complete!
Protocol upgrade
Asset clawback
Regulation
Today, June 1, 2021 at 1500 UTC, the Stellar public network successfully upgraded to Protocol 17, which introduces a new feature designed to make it…
Article
• Justin Rice
Protocol 17 Upgrade Guide
Protocol upgrade
Asset clawback
Regulation
If you develop on Stellar, you need to prepare for the June 1, 2021 Protocol 17 network upgrade by installing up-to-date versions of all…
Article
• Justin Rice
Protocol 16 Upgrade Complete!
Protocol upgrade
Network halt
Today, April 10, 20201 at 1500 UTC, Stellar public network validators voted to upgrade the network to Protocol 16. This special network upgrade was…
Article
• Stellar Development Foundation
Protocol 16 Upgrade Guide
Protocol upgrade
Network halt
We just released a new version of Stellar Core that will resolve the issues many nodes experienced this week. If you run a Stellar node of any kind,…
Article
• Justin Rice
Protocol 15 Upgrade Complete!
Protocol upgrade
Sponsored reserves
Claimable balances
On 11/23/2020 at 1600 UTC, Stellar validators voted to upgrade the public network to Protocol 15. Two new features — Claimable Balances and Sponsored…
Article
• Justin Rice
Announcing...Stellar Protocol 15
Protocol upgrade
Claimable balances
Sponsored reserves
It turns out we're skipping the public network upgrade to Protocol 14. Instead, we're going straight to Protocol 15, and rescheduling the vote to…
Developer Blogs
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186 results
• Tomer Weller
Not All Data is Equal: How Soroban is Solving State Bloat
Soroban
State expiration
State bloat
We discuss how Soroban’s design is tackling state bloat by implementing a state expiration solution from the outset.
• Sydney Wiseman
Beyond the Blockchain: Unlocking the Power of Analytics with Hubble
Hubble
Data
Analytics
Did you know that the Stellar Development Foundation supports an open-source, publicly available analytics dataset? Hubble, SDF’s BigQuery dataset,…
• Marta Lokhava
Proposed Changes To Transaction Submission
Transaction submission
We're proposing a change to transaction submission that will support the scalability and safety of the Stellar network, and that is a necessary…
• Taylor Murrell
How Wallets Can Integrate with Global On and Off-Ramps on Stellar
Wallets
Moneygram access
On and off-ramps
Stellar Ramps are the simplest way for wallets and anchors providing on and off-ramps to work together on Stellar.
• Bri Wylde
Soroban’s Technical Design Decisions & Learnings from Ethereum
Soroban
Ethereum
Design
Here's how Soroban learned from the way Ethereum was built.
• Dana Bernard
Blockchain as a Tool for Aid Disbursements
Aid
Aid delivery
Leveraging blockchain technology, aid delivery is underway across the globe backed by the work of humanitarian and refugee organizations.
Developer Documentation
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