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
• Stellar Development Foundation
May 15th Network Halt
Network halt
At 1:14pm Pacific time, May 15th, the Stellar network halted for 67 minutes due to an inability to reach consensus. During that time no ledgers were…
• Alex Cordeiro
A New Ticker for the Stellar Community
Ticker
API
Horizon
We're very happy to announce that Stellar Development Foundation is releasing a new ticker API to provide the freshest data about Markets, Issuers…
• Oleg Andreev
ZkVM: a new design for fast, confidential smart contracts
Smart contracts
Zkvm
We’re excited to announce ZkVM, the zero-knowledge virtual machine. ZkVM is an experimental multi-asset blockchain architecture for scalable and…
• Eric Saunders
A New Go SDK for the Stellar Network
SDK
Horizon
API
We’re pleased to announce the release of a new Go SDK for the Stellar network.
• Tomer Weller
Surge Pricing on Stellar: FAQ
Surge pricing
Fees
Over the past few days, a lot of Stellar users have had trouble submitting transactions due to an increase in network activity. Ledgers that are full…
• Stellar Development Foundation
Announcing the 7th Stellar Build Challenge
Stellar build
Developers
The SBC is now a essential part of Stellar’s developer community, and here for this seventh edition, we’re going to return to its roots, by focusing…
Developer Documentation
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