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
• Molly Karcher
Composable Data Platform: A New Way to Access Data on Stellar
Developer Tool
Data
This article is the first in an expansive series on the Composable Data Platform, the next generation data-access platform on Stellar. The Composable…
• Danny Gamboa
Introducing: Anchor Network Interactive Map
On and off-ramps
Stellar anchor platform
Discover how to Bridge Traditional Finance and Digital Assets in over 180 Countries.
• Garand Tyson
Introducing State Archival: The Solution to State Bloat on Stellar
This article is part of a deep-dive series on the industry’s state bloat problem, which must be solved for blockchains to remain inexpensive, deliver…
• Garand Tyson
Scalability with State Archival on Stellar vs. Solana’s Avocado
A deep-dive on State Archival’s scalability features on the Stellar network and analyzes Solana’s less efficient version of State Archival called…
• Stellar Development Foundation
Soroban: The Smart Contract Platform Designed for Developers
Smart contracts
DeFi
Soroban
The Stellar smart contract platform, focuses on three critical pillars: Performance, Sustainability, Security. These factors are crucial for building…
• Bri Wylde
Protocol 21 is Live on Stellar Mainnet
On June 18th, 2024, Stellar public network validators voted to upgrade the network to Protocol 21, which activates five new Core Advancement…
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