Cosmos Testnets
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Cosmos Testnets

This repo collects the genesis and configuration files for the various Cosmos testnets. It exists so the Cosmos-SDK repo does not get bogged down with large genesis files and status updates.

Getting Started

To get started with the latest testnet, see the docs.

Testnet Status

February 18, 2019 00:23 GMT -Gaia 12k.

Gaia-12k is live!

Download the genesis here: genesis

Public Sentries:


February 9, 2019 18:00 EST -Gaia 11k.

Gaia-11k is live!

Download the genesis here: genesis

Seed Nodes


Public Sentry


gaiad version 0.31.1-1-gaf935066d

Block explorers:

January 25, 2019 15:30 EST -Gaia-10k

The final genesis file for gaia-10k is released.

Download the genesis here: genesis

Seed nodes


January 24, 2019 22:30 EST - Gaia-10k

We are gather gentxs for gaia-10k. Final genesis will be published around 10am pacific time on Jan 25th. We are accepting pull requests for gen-txs to gaia-10k/gentxs

cosmos-sdk: 0.30.0-0-ge003c5ebe
git commit: e003c5ebe02bed51056e46d5ff1a232e2bd00dda
vendor hash:
go version go1.11.4 darwin/amd64

December 11, 2018 15:00 EST - Genki-3001

genki-3001 is a community-driven interim testnet that uses GoS accounts and parameters.

Any Game of Stakes participant can join even if they weren't present for genesis.

November 30, 2018 21:00 EST - Gaia-9002

November 9, 2018 21:00 EST - Gaia-9001

August 20, 2018 11:00 EST - Gaia-8000

August 7, 2018 11:00 EST - Gaia-7005

August 4, 2018 1:30 EST - Gaia-7004

July 29, 2018, 12:00 EST - Gaia-7003

July 27, 2018, 20:00 EST - Gaia-7003

July 26, 2018, 0:00 EST - Gaia-7002

July 22, 2018, 17:00 EST - Gaia-7001 consensus failure

  • Bug in the governance module caused a panic

July 17, 2018, 4:00 EST - New Testnet Gaia-7001

  • New testnet with fixes for the genesis file
  • Increased max validators to 128

July 17, 2018, 3:00 EST - Gaia-7000 consensus failure

  • Misconfiguration in the genesis file led to a consensus failure
  • New genesis file for gaia-7001 will be up soon

July 17, 2018, 2:40 EST - Gaia-7000 is making blocks!

  • Gaia-7000 is live and making blocks!

July 16, 2018, 17:00 EST - New Testnet Gaia-7000

  • Gaia-7000 is up!
  • 108 validators in the genesis.json file.

July 2, 2018, 1:00 EST - Gaia-6002 slashing failure

  • Gaia-6002 has been halted due to a slashing issue.
  • The team is taking its time to look into this Gaia-7000 will be introduced this week.

June 13, 2018, 17:00 EST - Gaia-6002 is making blocks!

  • Gaia-6002 is live and making blocks
  • Absent validators have been slashed and revoked
  • Currently live with 17 validators

June 13, 2018, 4:30 EST - New Testnet Gaia-6002

  • After fixing bugs from gaia-6001, especially issue #1197, we are announcing a new testnet, Gaia-6002
  • Gaia-6002 has the same genesis file as Gaia-6001, just with the chain-id updated
  • Update from previous testnet here

June 13, 2018, 4:30 EST - New Release

  • Released gaia v0.19.0
  • Includes various bug-fixes for staking found on Gaia-6001

June 13, 2018, 2:30 EST - Published Postmortem of Gaia-6001 failure

  • A bug in the design of the staking data model caused a sanity check to fail
  • Full writeup here

June 10, 2018, 8:30 EST - Gaia-6001 consensus failure

  • Validator unbonding and revocation activity caused a consensus failure
  • There is a bug in the staking module that must be fixed
  • The team is taking its time to look into this and release a fix following a proper protocol for hotfix upgrades to the testnet
  • Please stay tuned!

June 9, 2018, 14:00 EST - New Release

  • Released gaia v0.18.0 with update for Tendermint v0.20.0
  • Includes bug fix for declaring candidacy from the command line

June 8, 2018, 23:30 EST - Gaia-6001 is making blocks

  • +2/3 of the voting power is finally online for Gaia-6001 and it is making blocks!
  • This is a momentous achievement - a successful asynchronous decentralized testnet launch
  • Congrats everyone!

June 8, 2018, 12:00 EST - New Testnet Gaia-6001

  • After some confusion around testnet deployment and a contention testnet hardfork, a new genesis file and network was released for gaia-6001

June 7, 2018, 9:00 EST - New Testnet Gaia-6000

  • Released a new genesis.json file for gaia-6000
  • Initial validators include those that were most active in the gaia-5001 testnet
  • Join the network via gaia v0.18.0-rc0

June 5, 2018, 21:00 EST - New Release

  • Released gaia v0.17.5 with update for Tendermint v0.19.9
  • Fixes many bugs!
    • evidence gossipping
    • mempool deadlock
    • WAL panic
    • memory leak
  • Please update to this to put a stop to the rampant invalid evidence gossiping :)

May 31, 2018, 14:00 EST - New Release

  • Released gaia v0.17.4 with update for Tendermint v0.19.7
  • Fixes a WAL bug and some more
  • Please update to this if you have trouble restarting a node

May 31, 2018, 2:00 EST - Testnet Halt

  • A validator equivocated last week and Evidence is being rampantly gossipped
  • Peers that can't process the evidence (either too far behind or too far ahead) are disconnecting from the peers that sent it, causing high peer turn-over
  • The high peer turn-over may be causing a memory-leak, resulting in some nodes crashing and the testnet halting
  • We need to fix some issues in the EvidenceReactor to address this and also investigate the possible memory-leak

May 29, 2018 - New Release

  • Released v0.17.3 with update for Tendermint v0.19.6
  • Fixes fast-sync bug
  • Please update to this to sync with the testnet