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Project Description

Atoms can be used for transaction fees on the main Cosmos hub; however, zones will be allowed to collect fees in any currency or combination of currencies of their choosing. The hidden cap of $17 million was reached in just 30 minutes from only 1090 donations. The fundraiser had a cap of 1M USD per person, despite this one large investor contributed $1.812 Million. They were later refunded the difference minus an admin fee. Cosmos committed to a hedging strategy of 50% fiat, 25% Bitcoin, 25% Ether, denominated in USD. They have liquidated 50% of the cryptocurrency tokens however they say they reserve the right to change this hedging strategy at any time. The Atoms available in the crowdsale will not immediately be liquid: once created, they will vest at a constant rate per hour over the course of two years.The Cosmos Network is the first project by the Interchain Foundation. Its development is being led primarily by All In Bits, Inc., the team that created Tendermint. 5% of the Atoms go to its initial donors, 10% go to the Interchain Foundation, 10% go to the company developing most of the software, and the remaining 75% to be distributed according to the results of the private and public fundraisers.

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ATOM* Latest Updates
December 18, 2018

Let the Games Begin!

The highly-anticipated, industry first adversarial testnet was launched just minutes ago. As either a spectator or a “Tribute”, the public channel where games mechanics are discussed can be found on Riot.TL;DRThere were close to 300 Tributes, all of whom are allowed to participate in the...

From: ATOM*

December 06, 2018

Ready Validator One — Cosmos November Update

Greetings Cosmonauts,November is the month of Thanksgiving. In that spirit, we’re thankful for our vibrant community of validators who have asynchronously launched over 18 public testnets in the past 8 months, who have hardened their setups, built tooling that contributed back to the growing...

From: ATOM*

November 22, 2018

HackAtom3 Winners Announced

A big thank you to all our community members who submitted tooling and to our HackAtom3 judges. In particular, our guest judge and cybersecurity expert, Dr. Terry Brugger from Bubowerks.JudgesZaki Manian, Head of Tendermint Labs, advisor to Amino Capitol, and Executive Director of Trusted IoT...

From: ATOM*

November 08, 2018

Critical Mass — Cosmos Hub Releases Feature Complete Software

Dear Cosmonauts,DRUMROLL PLEASEThe development of Cosmos has been — this is an understatement — delayed due to pioneering a highly ambitious task: launch a production-ready pure Proof-of-Stake network with delegation, bonding, and slashing conditions while maintaining the highest...

From: ATOM*

October 03, 2018

Launch Communications — September Community Update

Launch Communications — September Community UpdateGreetings Cosmonauts,If you’ve stuck around with us this long, odds are, you’re actually in it for the tech. September was a busy month of doing meetups to spread education about the blockchain technology that we’re building,...

From: Interchain Foundation

September 27, 2018

The Game of Stakes is Open for Registration!!

https://medium.com/media/f71464a9f3310ba38bf76466cbe2e1df/hrefAhoy amigos!The “Game of Stakes” is Now Open for Registration!Note: we have rebranded the native testnet token from steak to stake !Register for Cosmos Game of Stakes: GoS.cosmos.networkWhile Gaia testnets have provided...

From: Interchain Foundation

September 03, 2018

Cosmos Launch Communications — August Community Update

Ahoy!! Space Cowboys & girls,August was a month of quiet, heads-down work, and in September, all of that work is coming to fruition. Much of the legal paperwork and administrative items have been knocked off for Game of Steaks and we are moving full-steam ahead getting all the loose ends...

From: Interchain Foundation

August 28, 2018

Announcement — HackAtom3 is Live!

The 3rd Edition of Hack the Cosmos is all about building useful validator tooling for Cosmos ValidatorsWe are launching Cosmos HackAtom 3: The Validator Series. This is a call to arms to all those who dare to pioneer the space of the unknown universe. Do you have what it takes to participate in...

From: Interchain Foundation

August 21, 2018

Gaia-8000 Launch, SDK v0.24 Release

Note: Gaia-8000 failed immediately. We are now on Gaia-8001, using SDK v0.24.1.Dear Cosmonauts,Today marks the release of the Cosmos-SDK v0.24.0, and the associated Gaia-8000 testnet. While past testnets have focused on new features, development for Gaia-8000 was motivated primarily by...

From: Interchain Foundation

August 01, 2018

Launch Communications — July Community Update

July 31, 2018Dear Cosmonauts,Development is chugging along at full steam ahead. Q4 is fast approaching, and if you squint hard, you could see mainnet on the horizon, which is where the shuttle launchpad is awaiting your arrival. There is yet more work that needs to be done to lay down the...

From: Interchain Foundation

July 16, 2018

Gaia-7000 Testnet Release

Ahoy Space Cowboys ‘n Gals!We’ve cut a fresh release of the SDK to be implemented on the latest and greatest testnet, Gaia-7000, with some very new, very exciting major milestone upgrades. Needless to say, the added features are at the bleeding edge of blockchain technology and are likely...

From: Interchain Foundation

July 11, 2018

Q&A Session — Three Cosmos Validators Share Their Experience

Becoming a Cosmos Validator is a unique opportunity to be a part of a revolutionary project aimed at solving today’s blockchain scalability and interoperability issues. The maintenance and security of the Cosmos Network rely on a community of validators to perform certain operations. Their...

From: Interchain Foundation

July 02, 2018

Launch Communications - June Community Update

Launch Communications — June Community UpdateJuly 2, 2018TL;DRComing soon, to a terminal near you: Ethermint 2.0.Ledger Nano code is implemented and about to be sent for review by Ledger.The Tendermint repository is being transformed into a monorepo and several other repo consolidations...

From: Tendermint Team

June 23, 2018

ICF Supports 5-year Research Program Led by Professor Dan Boneh

The Interchain Foundation Supports the Center for Blockchain Research at StanfordThe Interchain Foundation (ICF), along with five other blockchain organizations including the Ethereum Foundation, Protocol Labs, OMG, DFINITY, and Polychain Capital, have collectively committed to supporting the...

From: Chjango Unchained

June 22, 2018

Announcing — Incentivized Testnet Game

Cosmos is rolling out a game called: “A Testnet of Steaks”The Cosmos Network is rolling out a game of high steaks — you read that right— in its multiple iterations of testnets before its highly anticipated main network is launched. The game is called “A Testnet of Steaks”. The...

From: Chjango Unchained

June 12, 2018

Key Recommendations to Becoming a Cosmos Validator

The Cosmos Network Hub is launching shortly. One of the most important milestones for success of the Cosmos Network is the emergence of a diverse group of validators to maintain and secure the network. The early days of the Cosmos Network will test the ability of the fundraiser participants to...

From: Zaki Manian

May 31, 2018

Launched! Tendermint Bug Bounty Program

Since late 2017, Tendermint has had a coordinated disclosure policy and an active security inbox open to anyone with a bug or security issue to report. As we close in on the launch of our mainnet, we want to do more to actively reward people who invest their time and talent in finding bugs and...

From: Jessy Irwin

May 30, 2018

Latest in Cosmos — (Critical) Community Update, May

What to expect after launch & how to prepare for on-chain governanceGreetings Cosmonauts,The Cosmos Hub is launching this summer. The team is focusing on landing the last set of MVP features and we’re getting closer and closer to feature-complete testnets. The initial network will have a...

From: Tendermint Team

May 24, 2018

Cosmos Validator Economics - Bridging the Economic System of Old into the New Age of Blockchains

Cosmos Validator Economics — Bridging the Economic System of Old into the New Age of BlockchainsThis blog post was co-authored by Felix Lutsch, Brian Crain and Meher Roy from Chorus One & Chjango Unchained from Tendermint/CosmosI. Cosmos Economic DesignCosmos is an upcoming network of...

From: Chjango Unchained

May 10, 2018

Tendermint Explained - Bringing BFT-based PoS to the Public Blockchain Domain

Tendermint Explained — Bringing BFT-based PoS to the Public Blockchain DomainStartersFor definitions, read the Primer by Chjango Unchained.For an overview of the Cosmos/Tendermint software stack, read The Value Proposition of Cosmos by Gautier MARIN.Watch the Cosmos Network Topological...

From: Chjango Unchained

May 03, 2018

Voyager Update — v0.5.0 Release

Voyager Update — v0.5.0 ReleaseAhoy Space Rangers!This is your inbound telemetry communication from the Intercosmos Space Station. Boy, do we have news for you! The latest and greatest Voyager space shuttle to bring commercial spaceflight to market has been deployed. If you are the one...

From: Tendermint Team

May 02, 2018

Latest in Cosmos—April Community Update

May 1, 2018Greetings Cosmonauts,We’re 85% of the way to launch. We know that the community is very excited about taking part in this space race (among many other exciting projects that are launching this summer) but it’s prudent to keep expectations reasonable. We remind you to gauge...

From: Tendermint Team

April 13, 2018

Crypto 4 Your Thoughts Hackathon—Recap & Winners Announcement

RecapCosmos, along with Purse, was a Platinum sponsor of the Crypto 4 Your Thoughts hackathon, which ended last weekend. There were well over 200 attendees and we spotted some very bright, enthusiastic, and passionate builders of the open source ethos in the Bay Area leveraging blockchain...

From: Chjango Unchained

April 03, 2018

Understanding the value proposition of Cosmos

Cosmos is generally seen as an interoperability solution, something to connect blockchains together. While it is certainly a part of what we are trying to achieve, this conception of Cosmos leaves out many important pieces. Cosmos is much, much more than just an interoperability solution. To...

From: Gautier MARIN

Why application-specific blockchains make sense

Cosmos enables developers to easily build and deploy scalable and interoperable application-specific blockchains. But what are application-specific blockchains exactly, and why should you consider building your decentralised application as an application-specific blockchain?What are...

From: Gautier MARIN

April 02, 2018

Voyager Update: “Onboard with Onboarding”

Brand new series! Find out what the Voyager team achieved during our two week sprint from March 6–20, 2018.What is Voyager?Cosmos Voyager is the GUI, or mission control center for the Cosmos Network. You’ll be able to view cool graphs of the network status, validator status, blocks, and...

From: Peng Zhong

Latest in Cosmos—March Community Update

April 2, 2018Dear Cosmonauts,We estimate that the Cosmos Hub will be launching short of 3 months’ time. There are a lot of exciting announcements jam packed into this month’s update so here goes.New HiresChristopher Goes—Software DeveloperChristopher Goes hopes that distributed ledgers...

From: Tendermint

April 01, 2018

Introducing the Anti-Atom

90 years ago, the British physicist Paul Dirac introduced the world to the theory of positrons, suggesting the existence of a theoretical particle exactly the same as an electron, except with a positive charge. Dirac went on to win the Nobel Prize in Physics after experimental evidence of these...

From: Sunny Aggarwal

March 14, 2018

Technology Choices When Building Your Own Blockchain

You want to create your own cryptocurrency but your options are dismally limited. If you’re new to blockchain development and are weighing the options about which path to take to bootstrap your token, you have just about three good ones: 1) fork an existing codebase like Bitcoin’s, 2) write...

From: Chjango Unchained

March 13, 2018

Social Impact thru Alternative Economic Systems—Operation UBI

A New Technology Stack for Alternative EconomicsBillions of dollars from around the world are pouring into cryptocurrencies today. While it’s an exciting time to participate in this crypto gold rush, it’s important to remind ourselves about why blockchain developers are rushing to do the...

From: Tendermint

March 03, 2018

LotionJS Beta Release

To program a blockchain in JavaScript, just apply Lotion.https://github.com/keppel/lotionKey FeaturesSpin up blockchain applications in JavaScript.Under the hood, Lotion runs on top of Tendermint Proof-of-Stake consensus and networking protocols so you only need to worry about writing the...

From: Tendermint

March 02, 2018

Developer Deep Dive—To Signed or not to Signed?

Choosing a type for blockchain height (beware of unsigned integers)Before this pull request, it was a mess. ABCI was using a uint64 height on EndBlock. Tendermint Core was using the same type for TxResult. Block and BlockStore, however, were using int heights (remember that int is different...

From: Anton Kaliaev

March 01, 2018

Latest in Cosmos—February Update

February 28, 2018There has been a lot of buzz in the cryptocurrency community awaiting, with bated breath, the launch of the Cosmos mainnet. We have received reports of people investing in tokens that are completely unrelated to this project that sound, in name, very similar. As such, please be...

From: Tendermint

February 28, 2018

“Hello World!” The Cosmos-SDK is Ready for Takeoff

Dear Cosmonauts,This announcement marks a pivotal moment in, dare we say, the evolution of blockchain applications. We’ve done a major infrastructural upgrade that has been many months in the works. Without further adieu, we introduce: the Cosmos-SDK (v0.10.0). The reason to get excited is...

From: Tendermint

February 26, 2018

Tendermint Core Release v0.16.0

We hit a key milestone along the Cosmos Launch Roadmap. With the release of Tendermint Core v0.16.0, we can soon spin up the incoming iteration of the new testnet, Gaia-3, which will be using the current Tendermint release.Keep up with the latest releases here: (Tendermint Core Releases)Notable...

From: Tendermint

February 23, 2018

The Technicals of Interoperability—Introducing the Ethereum Peg Zone

Cross-blockchain crypto-asset transfer is core of what we do at Cosmos. Within the ecosystem, crypto-assets are transferred via the IBC protocol, an Inter-Blockchain Communication protocol, which facilitates interoperability. Notably, IBC only works if both the starting and the destination...

From: Chjango Unchained

February 13, 2018

Debugging the memory leak in Tendermint

I have spent last week looking for clues and writing test cases in order to find and fix the memory leak in Tendermint. For those of you who don’t know, Tendermint Core is a Byzantine Fault Tolerant (BFT) middleware that takes a state transition machine — written in any programming...

From: Anton Kaliaev

Dev Update—Debugging the Memory Leak in Tendermint

I have spent the last week looking for clues and writing test cases in order to find and fix the memory leak in Tendermint. For those of you who don’t know, Tendermint Core is a Byzantine Fault Tolerant (BFT) middleware that takes a state transition machine — written in any programming...

From: Anton Kaliaev

February 12, 2018

Cosmos Launch Schedule

Dear Cosmonauts,We’d like to thank you for embarking on this journey with us as we build the spaceship that will propel us into the Cosmos. As we lay the foundations for the Internet of Blockchains from the ground up, we appreciate your patience. Many of you have helped us bootstrap this...

From: Tendermint

February 03, 2018

Cosmos-UI Release v0.4.0

The latest Cosmos-UI release is now live!Running the UI with the binary release is super simple. Download the zip file, extract it, then double click the ATOM icon. Don’t forget to save your mnemonic, even if this is just on a test network.NOTE: DO NOT ENTER YOUR FUNDRAISER SEED. THIS...

From: Tendermint

February 02, 2018

Quickstart Guide — Connecting to the Latest Testnet

Quickstart Guide — Connecting to the Latest TestnetHow to Connect to the Latest TestnetInstall GaiaFor now we are only supporting installing from source, since it gives you the ability to audit the code you compile. Version 1.9.2 of Go is required to run a node in Gaia. Follow the...

From: Adrian Brink

January 31, 2018

Latest in Cosmos—January Update

January 31, 2018New HiresArianne Flemming—Finance ManagerArianne brings a mix of startup operating experience and financial expertise to the Tendermint team. She was Associate Director at a seed-stage accelerator based at the University of Toronto, and more recently, Director of Finance at an...

From: Tendermint

January 30, 2018

Gaia Testnet Roadmap

This testnet roadmap gives you an idea about where we are in terms of testing and how much more there is to go. In a separate post, you’ll be given a quickstart guide about how to connect to the latest release of the gaiatestnets.Gaia, DefinedGaia is the ancestral mother of all life.The gaia...

From: Tendermint

January 29, 2018

Cosmos SDK Alpha Release

Cosmos-SDK Alpha ReleaseThe highly anticipated alpha release of the Cosmos-SDK is here!View it on GitHub!Basecoin exampleDesign philosophyCosmos-SDK Basics (WIP; help wanted)Construct a Blockchain using the Cosmos-SDKThe Cosmos-SDK is a generic framework that comes with all the tooling to...

From: Tendermint

January 01, 2018

Latest in Cosmos—December Update

December 31, 2017Happy New Year, Cosmonauts!This month’s community update is all about the progress we’ve made on the development front. We’re rolling out communications in higher frequencies at each phase of every release. In particular, we have a lot of technical and...

From: Tendermint

December 14, 2017

Cosmos UI Release

Greetings Cosmonauts!Lots of great software is in the works. You can expect frequent updates from us as we push through each release on our way to launch. Last week, we released the first public alpha of the Cosmos UI.Until now, all interactions with the Cosmos Gaia testnet have been via the...

From: Tendermint

December 13, 2017

Cosmos Fee Token—Introducing the Photon

Separating the Staking Token from the Fee TokenMany of you are familiar with the Atom. It is the native staking token for the Cosmos Hub, where its core utility is used as a means to secure the Cosmos Network and is not intended to be used to pay fees or act as a currency. The Atom should be an...

From: Tendermint

December 09, 2017

Bug Bounty Program for Tendermint & Cosmos

At Tendermint, we believe that security researchers and white hat hackers are a vital part of building strong, resilient cryptocurrency protocols. To preemptively detect and fix bugs/edge cases while actively supporting the work that hackers and researchers do to find them, we are launching the...

From: Tendermint

December 08, 2017

Testnet disruption update

ReportLast night a disruption in testnet Gaia-1 happened. It caused nodes to go down. Cause of the outage is identified and fixed. You can restart your node, it should function properly.What happened1- A bug was identified in the way our validator nodes handled logs. This was an operational...

From: Gautier MARIN

December 03, 2017

Critical Roadmap Announcement—November Update

December 3, 2018Greetings Cosmonauts,As mentioned in our Launch Update, we are behind schedule. Despite pounding through features and specifications these past few months, the software for the Cosmos Hub would not be up to the required security standards to launch before the end of the year....

From: Tendermint

Update on Launch Timeline

Dearest Cosmonauts,We wanted to take a moment to update you on the expected launch date for the Cosmos Hub. In a sister post, we include updates on the state of development and more details about the short-term roadmap.The Cosmos Hub is the initial cornerstone of the Cosmos Network. It is...

From: Tendermint

November 24, 2017

Developer Deep Dive—ETGate, Gateway between Ethereum & Tendermint

One of the most important functionalities of the Cosmos Network is IBC (Inter-Blockchain Communication protocol). It enables individual blockchains to communicate, allowing users to send tokens across zones — such as sending pegged bitcoins to a smart contract on the Ethereum zone. The IBC...

From: Joon

November 23, 2017

A tour of Cosmos for Developers

If you want to develop a decentralized application today, you have multiple choices. Depending on the use case, a decentralized application can be built as a blockchain (application-specific blockchain) or on top of an existing blockchain (e.g. a smart contract on Ethereum). The former option...

From: Gautier MARIN

November 16, 2017

Consensus Compare: Casper vs. Tendermint

The Long Road to Proof-of-StakeFor definitions, see (Primer).The Byzantine General’s Problem was first proposed by Lamport, Shostak, and Pease in 1982. It described the problem of achieving distributed agreement over a compromised communications network — of making “a reliable system...

From: Tendermint

November 02, 2017

Latest in Cosmos—October Update

November 2, 2017Greetings Cosmonauts. Our end-of-the-month community update is two days delayed but better to be fashionably late than never! Here’s a recap of what happened in Cosmos in the month of October.New HiresFabian Weber: Software EngineerFabian is a full-stack JavaScript developer...

From: Tendermint

Understanding the Basics of a Proof-of-Stake Security Model

Devcon3 is fully underway, and despite the development-focused agenda at the conference, a majority of the audience is still befuddled during talks about consensus protocols. We took this as an opportunity to translate the technical jargon into plain English.Consensus BasicsStandard...

From: Tendermint

October 30, 2017

Light Clients on Ethermint

This post is about how you can build very good light clients using Ethermint.Ethermint docs here: http://ethermint.readthedocs.io/en/develop/Ethermint GitHub repo here: https://github.com/tendermint/ethermintIt’s very hard to build light clients on Ethereum because a light client at least must...

From: Tendermint

October 27, 2017

A Beginner’s Guide to Ethermint

Ethermint is the high speed implementation of Ethereum built on top of Tendermint. Part of Tendermint’s goal when we launch Ethermint together with the Cosmos Hub is to give developers the best of both worlds—the full capabilities of writing and executing smart contracts in Ethereum plus all...

From: Tendermint

October 18, 2017

Initializing Proof-of-Stake — Becoming a Part of the Cosmos Validator Working Group

What are Cosmos Validators?RoleValidators are responsible for committing new blocks in the blockchain. These validators participate in the consensus protocol by broadcasting votes which contain cryptographic signatures signed by each validator’s private key. Validators have a cryptographic...

From: Tendermint

October 11, 2017

Light Clients in Tendermint Consensus

Alongside the core consensus engine, we are building a large set of tooling for the Tendermint ecosystem and the Cosmos Network. Since the release of basecoin 0.6 in June 2017, we have a complete and working implementation of our light client protocol, which allows a client to get cryptographic...

From: Ethan Frey