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Author Topic: [ANN][COS] COSMOS, network of blockchains  (Read 39277 times)
jaekwon
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September 03, 2016, 07:03:32 PM
 #1

CØSMOS

Building a network of blockchains

Purpose

Cosmos is a project with an ambitious mission: To create a network of distributed ledgers that will solve long-standing problems in the cryptocurrency and blockchain communities.

Architecture

The Cosmos network consists of many independent, parallel blockchains, called zones, each powered by classical Byzantine fault-tolerant (BFT) consensus protocols like Tendermint (already used by platforms like ErisDB). Some zones act as hubs with respect to other zones, allowing many zones to interoperate through a shared hub. The architecture is a more general application of the Bitcoin sidechains concept, using classic BFT and Proof-of-Stake algorithms, instead of Proof-of-Work (see our whitepaper for more details).

Cosmos Hub

The first blockchain in the Cosmos network is the Cosmos hub. The Cosmos hub connects to zones via the novel IBC (inter-blockchain communication) protocol and keeps a record of the total number of tokens in each zone. Because all inter-zone token transfers go through the Cosmos hub, you can transfer tokens from one zone to another, quickly and securely, without the need for a liquid exchange or a trusted third party between zones.

The Cosmos hub can connect to many different kinds of zones, as long as each zone speaks IBC. As a result, Cosmos can support a variety of currencies and scripting languages like those found in Bitcoin, Ethereum, ZeroCash, CryptoNote, and more.


  

Interoperability

Cosmos can interoperate with multiple other applications and cryptocurrencies, something other blockchains can’t do well. By creating a new zone, you can plug any blockchain system into the Cosmos hub and pass tokens back and forth between those zones, without the need for an intermediary.

For example, if you wanted to trade bitcoins for ether today, you would have to sell your bitcoins for a fiat currency on an open exchange and then use that fiat currency to buy ether on another exchange. The problem is, many of our exchanges today are plagued by hacks, theft, and cons. Two prime examples are what happened at Mt. Gox and more recently Bitfinex.


  

Scalability

Scaling is another open issue for blockchains. Both Ethereum and Bitcoin support only a fraction of the transactions seen daily on payment networks like Visa or Mastercard. In contrast, zones allow Cosmos to scale out indefinitely. If your transaction speed slows in one zone because too many people are using it, you simply add another zone to the hub and direct half the users over that zone, thereby doubling your transaction speed. Meanwhile, the Cosmos hub ensures that any zones connected to it remain in sync.


  

Upgradability

Another problem blockchains run into is how to handle upgrades when new versions come out. Getting all of the validators (“miners” in the case of Bitcoin) to upgrade to a new version of a blockchain simultaneously is tricky, and could lead to hard forks. This is exactly what happened when Ethereum hard-forked into ETH and ETC due to political/governance issues surrounding the DAO hack. With Cosmos, upgrading is not an issue. You simply plug a new zone into the Cosmos hub, and invite users to move their funds over to it at their leisure.


  

Decentralization

One of the great tragedies of cryptocurrencies today has been their failure to interoperate with existing systems — and each other. Cosmos offers a way to link them together, but without creating a new centralized clearinghouse or exchange.

Cosmos is built on principles of cryptography, sound economics, consensus theory, transparency, and accountability to serve as a new foundation for our future financial systems.

You can use Cosmos as a testing ground for a new cryptocurrency design, an upgrade to an existing cryptocurrency, as a means for decentralized exchange, or as a platform for scalable smart contracts.

Cosmos is not just a single distributed ledger, and the Cosmos hub isn't a walled garden or the center of its universe — anyone can use this protocol to create their own hub to compete with Cosmos in a free market of blockchains

The only question is, what will you build on Cosmos?

Contact

Site - http://cosmos.network
Twitter - http://twitter.com/cosmos_hq
Slack - http://forum.tendermint.com:3000/
Video - https://www.youtube.com/watch?v=b-ytzLX-2EE

Announcements

Watch the Cosmos video!  https://www.youtube.com/watch?v=b-ytzLX-2EE
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shadabahmed
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September 03, 2016, 07:13:21 PM
 #2

dev is there any bounty for translations?
if yes than i will do hindi indian translation.
and goodluck for ur project, seems like it will good

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notsofast
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September 03, 2016, 07:20:08 PM
 #3

Hey dev, is this a fork of Blocknet? Or are you creating your own interoperability protocol from scratch?

twitter.com/notsofast
fitraok09
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September 03, 2016, 07:22:06 PM
 #4

I would reserve to an Indonesian translation.
you can see : https://bitcointalk.org/index.php?topic=1562709.0
this is my testimonial and reference  Smiley
ocminer
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September 03, 2016, 07:33:05 PM
 #5

Is there a bounty for posting in this thread?

suprnova pools - reliable mining pools - #suprnova on freenet
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jaekwon
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September 03, 2016, 07:40:00 PM
 #6

Hey dev, is this a fork of Blocknet? Or are you creating your own interoperability protocol from scratch?

It's an implementation from scratch.  I'm the one of the main devs.  We've been building http://github.com/tendermint/tendermint since 2014.  It's a high performance BFT consensus/blockchain engine written in Golang from scratch, with an eye toward good software architecture.  http://github.com/tendermint/tmsp lets us write the blockchain logic in any language.
jaekwon
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September 03, 2016, 07:48:34 PM
 #7

This project looks really nice. One question for you dev. Will there be any translation bounties?

We will pay for good translations.  If you want to apply, first try translating the introduction of this whitepaper.

https://github.com/cosmos/cosmos/blob/6a15f001eac3cbceb0765b5b03b28a998acdc41a/WHITEPAPER.md

Don't post it here, just email it to us at translations@cosmos.network with subject "Whitepaper intro translation in YOUR_LANGUAGE".

Cheers =J
fitraok09
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September 03, 2016, 07:54:10 PM
 #8

This project looks really nice. One question for you dev. Will there be any translation bounties?

We will pay for good translations.  If you want to apply, first try translating the introduction of this whitepaper.

https://github.com/cosmos/cosmos/blob/6a15f001eac3cbceb0765b5b03b28a998acdc41a/WHITEPAPER.md

Don't post it here, just email it to us at translations@cosmos.network with subject "Whitepaper intro translation in YOUR_LANGUAGE".

Cheers =J

Interested. I will translate your whitepaper now Smiley
Indonesian will be reserve to me okay  Wink
klarki
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September 03, 2016, 08:32:59 PM
 #9


And would other bounties? (Twitter, avatar)

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September 03, 2016, 08:37:24 PM
 #10

Email sent for Filipino translation work request
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September 03, 2016, 10:25:26 PM
 #11

where link wallet?

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September 03, 2016, 10:47:49 PM
 #12

This announcement look really simple but complex, do you have any bounty ? i cannot see any link to the wallet, have you launched or this is just a pre - announcement thread?

jwiz168
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September 03, 2016, 11:59:24 PM
 #13

Done and sent translation of Introduction from whitepaper to Filipino Language
ShooterXD
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September 04, 2016, 12:03:15 AM
 #14

This project looks really nice. One question for you dev. Will there be any translation bounties?

We will pay for good translations.  If you want to apply, first try translating the introduction of this whitepaper.

https://github.com/cosmos/cosmos/blob/6a15f001eac3cbceb0765b5b03b28a998acdc41a/WHITEPAPER.md

Don't post it here, just email it to us at translations@cosmos.network with subject "Whitepaper intro translation in YOUR_LANGUAGE".

Cheers =J

I got this, tomorrow ill work on this.

Cya

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September 04, 2016, 03:17:59 AM
 #15

Very promising project.
Watch today https://www.youtube.com/watch?v=9krAQzN6tbc where Ethan start with Rap bitcoin song  Wink

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MoneyJ
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September 04, 2016, 03:20:36 AM
 #16

Very interesting concept I may say. I'll be tracking on this.




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dodofelix
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September 04, 2016, 01:12:57 PM
 #17

Surely I'll follow

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September 04, 2016, 01:33:08 PM
 #18

Is there a bounty for posting in this thread?

lol it's fun  Grin
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September 04, 2016, 01:36:34 PM
 #19

dev looking for more info! twitter or face bounties? thanks!

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September 04, 2016, 01:41:48 PM
 #20

Good to see a new concept after a long time. following now,waiting for some airdrop  Wink

[]
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