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
All in one place
Filter
Tags
185 results
• Bri Wylde
Composability: More connections = More possibilities
Composability is the ability to combine or integrate different components in various ways to create larger, more complex systems. People often use…
• James Bachini
How to Use the OpenZeppelin Contract Wizard to Create a Fungible Token
OpenZeppelin's Contract Wizard now supports Stellar’s smart contracts platform making it easier than ever to generate secure and standardized smart…
• Leigh McCulloch
The Definitive Guide to Testing Smart Contracts on Stellar
Stellar is one of the OG blockchains, online since 2014, and launched smart contracts to Mainnet in 2024. When Stellar added smart contracts, the…
• George Kudrayvtsev
CDP and RPC? More like EZ and PZ.
A blog detailing how the Stellar network's recently released and announced the Composable Data Platform can be used to add backfilling support to…
• Bri Wylde
Passkeys, a Light Introduction to Improving Blockchain’s UX
Blockchain technology is often recognized and celebrated for its inherent features of transparency, security, efficiency, and decentralization, as…
• Garand Tyson
Removing Ledger State from SQL Databases in 22.1
Starting in the stellar-core 22.1 release, SQL will no longer be supported for most ledger state and transaction history.
• Urvi Savla
Horizon: Accelerating Reingestion Performance with CDP
This post explains how Horizon, the HTTP API to data in the Stellar network, can now reingest data 9x faster using CDP components.
• 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.
• Bri Wylde
Announcing Protocol 22
A new protocol is on the horizon. On December 5, 2024, Stellar public network validators will vote on whether to upgrade the network to Protocol 22,…
• Bri Wylde
Announcing the Stellar i³ Award Winners
During Meridian 2024, the Stellar Development Foundation launched the Stellar i³Awards! 🎉 Powered by the Stellar Community Fund, the awards…
• Simon Chow
Hubble: Now Faster than Light
Data
Hubble
Learn how Stellar ETL, which has been refactored to use the full suite of benefits from the Composable Data Platform (CDP), the next generation…
Developer Documentation
Dive into the docs
Discover the developer documentation and start building on Stellar today. Get involved with the Stellar developer community. Interact with other Stellar devs, keep up with ecosystem standards and learn about upcoming workshops and events.
The Newsletters
THE EMAIL YOU ACTUALLY WANT TO READ
Hear it from us first. Sign up to get the real-time scoop on Stellar ecosystem news, functionalities, and resources.