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Author Topic: Nexus - Pure SHA3 + CPU/GPU + nPoS + 15 Active Innovations + More to Come  (Read 753869 times)
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June 19, 2014, 04:41:27 AM
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nex·usˈneksəs' : a connection or series of connections linking two or more things.

Nexus is a currency that solves the many challenges of the future, and begins the transition to a global digital economy. The Nexus currency powers the new digital economy by providing fast, affordable, and secure payment channels that are easy to use and eliminates wasteful transaction fees. Nexus provides essential tools to embolden individuals and organizations to manage their finances with complete autonomy. Nexus is the next step in the evolution of financial freedom.




For more videos, please visit:





The World’s First Three Dimensional Chain
The 3D Chain is an evolution of Blockchain protocol, built from the ground up to provide a strong foundation for Nexus and other future projects using the technology. Using an unique implementation of three consensus channels, Nexus transforms the blockchain into a 3D process called the 3 dimensional chain. By adapting to transaction volume, using trust to secure the network, and weighting transactions to determine the most efficient use of resources, the 3DC increases decentralization and limits the influence exerted by any one system. The 3DC protocol organically scales to meet network computational demands, which means the network gets faster as more nodes join the system.




The history of Nexus

Nexus started as a vision of improving the Bitcoin protocol and at the same time cleaning the cryptosphere from scam coins.

Lead Developer Colin Cantrell (Viz) studied the foundations of the Bitcoin Core code, understanding how Satoshi structured Bitcoin and identifying opportunities for improvement. At this time, the altcoin market was being flooded with scams and pump and dump schemes where coins pushing promises, buzz words, and the allure of quick profits were used to swindle BTC from communities. Fom Viz’s vision, Coinshield (CSD) was born.
 
The first CSD block was mined on September 23, 2014 at 16:20 UTC-7, and the project soon-to-be named Nexus was live. At that point, the project had one channel of mining: a Prime Mining channel (CPU). On October 23, 2014, the Hashing (GPU) channel was launched as the second proof channel. The blocks included a first-ever subsidy, where a portion from each mined block would be sent to one of 13 developer accounts and another portion would be sent to one of 13 exchange accounts. On January 24, 2015, CSD was listed on Bittrex Exchange.
 
Shortly afterwards, Viz drafted the first whitepaper that outlined how the network would work to recycle and merge the economies and communities of these scam coins. The goal was to help the people in those communities, bring them into the CSD community, and at the same time help clean up the cryptosphere. The exchange accounts would be used to merge these economies by exchanging the coins for a portion of CSD.
 
On April 11, 2015, Viz announced the intention to rebrand to Nexus. Discussion pursued about the ticker symbol, and NIRO was chosen to represent Nexus. On July 24, 2015, Nexus version 2.0 was released with Nexus Proof of State (nPOS) and the introduction of the Trust Network. This laid the foundation for the broader scope of Nexus.
At the beginning of September 2015, Videlicet revealed his identity as Colin Cantrell. In October 2015, a more formal team was formed to promote development, build the community, and market Nexus. The ticker symbol was revised to NXS. Discussions on Nexus’s direction led to the decision to abandon the recycling and merging that was part of the Coinshield project. The technical work required to implement the merging was done, but with the explosion in the number of new cryptos, the process would have had little impact. Therefore, Nexus began to develop into something much more expansive. The project had a whole new direction.

Nexus still seeks to help carry on Satoshi’s dream of decentralization, and as such continues to work on improving the Blockchain protocol. Some of how it works, its goals, specifications, and features are described further in this post. For a more complete explanation, please read the Nexus whitepaper.




Nexus: Under the hood

Decentralized Decentralization

Consensus
Nexus uses 3 consensus channels to maximize decentralization and provide fast, secure transactions. Each channel has an independent difficulty algorithm, amongst other checks and balances, to prevent a single channel from monopolizing block production and compromising the security of the network. Nexus channels include a Prime channel (CPU Mining), a Hashing channel (GPU Mining), and Nexus Proof of Holding (nPOH).

Trust-based Proof-of-Holding
Nexus takes the proof-of-stake system developed by Peercoin, and combines it with a Trust-based weighting system to create the Proof-of-Holding consensus mechanism. Nodes receive a Trust rating that is established by their contributions to the network, which increases over time. Nodes with greater Trust are granted an increased minting rate, which increases from 0.5% to 3% within one year, the longer you build Trust on the network.

Security
Nexus aims to be one of the most secure blockchains in the world by increasing decentralization, and implementing quantum resistance. Using multiple consensus channels greatly reduces the risk of a 51% attack, as an attacker would need to control all 3 channels. A set of checks and balances prevents an individual channel from being able to compromise the entire network.
Nexus uses a combination of SHA3 hashing algorithms combined with 571 bit private keys and 512/1024 bit proof of work, to make Nexus one of the world’s leading quantum-resistant blockchains.
Furthermore, Nexus is developing an evolving key signature scheme to keep an account’s public keys obscured even when making transactions. This is made possible by moving away from addresses based on public key hashes, and implementing a new system called Signature Chains.


Scalability
While other blockchains consider larger block sizes or off-chain payment channels in an effort to increase transaction throughput, the Nexus 3DC proposes another solution, allowing Nexus to scale completely on-chain.
Transaction processing is distributed across multiple channels working synergistically to increase transaction throughput as resources increase. Individual channels verify transactions, consolidate verified transactions into Merkle trees, and add finished blocks onto the blockchain. The Unified Time protocol enables transaction processing, trust locks, and block locks to be consistent throughout time. The potential of Nexus 3DC is limited only by node count and represents the most energy-efficient consensus system to date.

Spaced-Based Blockchain
As decentralized as blockchain technology strives to be, it nevertheless remains dependant on traditional infrastructure. By combining the decentralized blockchain software, satellite and ground based mesh networks, and a large team of passionate people, Nexus is focused on gaining a high degree of autonomy from external influences. By placing our own communication infrastructure in space, the network won’t be susceptible to government jurisdiction (similar to international waters).
Nexus is actively building relationships within the aerospace industry to allow for the hardware infrastructure to be compatible with its transaction system.



Specifications

Proof-of-work hashing algorithm
Keccak-1600, Skein-1024 and SHA3-512

Consensus channels
Prime (CPU), Hashing (GPU), and Nexus Proof of Holding (nPOH)

Initial Supply
78 Million over a 10 year distribution period

Current Supply
http://nexusoft.io/platform/statistics/supply.php or http://nxsorbitalscan.com/ , https://nexplorer.co.uk/ , http://nxs.efficienthash.com/

Maximum Annual Inflation
nPOH: Up to 3% annually; 2% after initial distribution is complete
Prime and Hashing Minting Channels: 1% annually after initial distribution is complete

Block Time
300 seconds for Hashing channel
300 seconds for Prime mining channel
60 seconds for nPOH

Block Reward
Prime and Hashing Minting Channels: The effective reward is established by the reserve balances. These reserves have a decayed amount deposited every time interval of one minute. If the balance is below a given threshold, the reward value will be based on a time’s value of a decayed amount. This means that the reward will be given based on how long it was taken to create the block. This prevents the reserves from being depleted as large amounts of computing power jump on and off the mining network.

nPOH Minting Channel: The effective reward is an annual interest rate that ranges between 0.5 and 3.0% annually.

Minting Difficulty
The miner’s difficulty is calculated by a proportion generated from the time it took to create the block, and the target time. The target time is calculated by the NXS Reserves working to deflate the difficulty if the reserves go over a threshold. This is designed to maintain transaction processing despite a loss in computing power on said channel, by aiding in the reduction of the difficulty to a more suitable level.




NEXUS TEAM

Colin Cantrell(Videlicet),Chief Architect & Embassy Board of Directors, colin@nexusearth.com
Kierre Reeg: Executive Director
Jacynda Smith: Embassy Board of Directors
Colin Forbes: Chief Financial Officer
Brian Smith: Developer
Wendy Katz: Marketing Manager
Brian Vena: Director of Business Development
Nelson Sparks: Director of Operations
John Saviano: Creative Manager
Dionna Bailey: Nexus Ambassador
Mike Casey: Community Hub Manager
Alex El-Nemer: Global Partnerships & International Relations
Gale Holman: Controller
Ashley Swazey: Executive Assistant
Andrew Krohn: Media Production & Marketing


Nexus Development Team Email Address: team@nexusearth.com
Nexus Development Team NXS Address: 2Qpe2rDTMUKBq4evL9im61SBj3dAJ4H3u1SiVjYbSdwYPJy5NSP
Nexus Development Team BTC Address: 1My2GsdknNxs2x8BLPfzAQUQ1oGVouBi6Y




Wallet downloads:

For the latest releases, please visit: https://github.com/Nexusoft/Nexus/releases
or nexusearth.com for detailed instructions






Recent database files:

Oracle Database

Lower Level Database (LLD)

Block explorer



NEXUS MINING

For tutorials on Nexus GPU and CPU mining, please visit:


Prime Channel
[Miners Created by Videlicet, Optimized by Supercomputing]
Prime Solo Miners:
Source Code [Github]
Windows Binary x86
Windows Binary x64




Nexus Mining Pool: nexusminingpool.com:9549 http://nexusminingpool.com/



Prime Pool Miners:
[url=https://github.com/Nexusoft/PrimePoolMiner]Source Code [Github]

Windows Binary x86
Windows Binary x64

Hashing (GPU) SK-1024 Channel

GPU pool - nxspool.ru Also has the last pool miner download on site.
GPU pool created by a.kubrakov with GPU pool miner created by Nobody( slackuser).

[Miners Created by Wolf, Windows Miner Modified by Paulscreen]

Windows 64 bit AMD Solo Miner
Linux AMD Solo Miner Source Code

[Miners Created by Bitslapper, Optimized by djm34 and Mumus]
SK-Miner [NVIDIA] Windows
SK-Miner [NVIDIA] Source
SK-Miner [Github]



Source code:





Markets:











Nexus on Coin Market Cap



Nexus Wiki:



Find out more details of the Nexus protocol including technological advancements



Social media:

www.nexusearth.com

NEXUS Instagram

NEXUS Discord






Join Us on SLACK

REDDIT r/nexusearth

IRC #nexusearth

YOU, ME, AND BTC PODCAST



Nexus improves upon the Bitcoin protocol:












Current features:

3 consensus channels: Every channel reinforces the others to prevent 51% attacks on one channel, forcing attacker across multiple channels.

Hashing:Nexus uses a combination of different hashes, including Keccak-1600, Skein-1024, SK-576, SK-512, and SK-256.

SK-1024: Using Skein-1024 and Keccak-1600 for GPU PoW to produce a 1024 bit output hash used for the block hash providing the highest security.

Prime: Searching for Dense Prime Clusters as CPU PoW, finding these clusters of numbers that are ~308 digits to verify prime density in large numbers.

Keys: 571 Bit Private Keys compared to 256 bit in other currencies. Using NID_sect571r1 as the algorithm.

Difficulty: Calculated with time overlaps and true % over bounds, using weighted block average over past 5 blocks.

LLP: Lower Level Protocol as a template protocol to allow any protocol to be created with ease without need for repeated network programming.

Core LLP: Protocol responsible for time keeping as an advancement to NTP, keeping clocks on the network synchronized within a few seconds of one another. Maximum clock drift for Nexus is 10 seconds.

Mining LLP: Dedicated Mining Protocol outside of JSON-RPC Server to allow the greatest performance for mining. Protocol can handle 5k + connections allowing solo mining of any magnitude.

No Reward Halving: Rewards are calculated along an exponential decay curve to slowly reduce the value of each block rather than shock both miners and the market with block reward halving which acts as a rudimentary decay model.

Released Reserves: Decayed amounts are deposited into the Reserves for each channel, preventing a miner from being able to mint more than the projected amount while difficulty is compensating to their amount of computing power.

Fractional Rewards: When reserves are below given thresholds, the mining reward is then based off of the time it took to create a block preventing a miner from ever being able to deplete the reserves.

Decentralized Checkpoints: Every 60 minutes, the Nexus protocol automatically creates a checkpoint. This prevents blocks from being created or modified dated prior to this checkpoint, thus protecting the chain from malicious attempts to introduce an alternate blockchain.

Trust Keys: The minting rate increases the longer a node secures the blockchain, incentivizing nodes to actively stake. This increases the difficulty for successfully attacking the network, as nodes with greater Trust are more likely to find new blocks.

Nexus Proof of Holding: Nexus’s Proof of Holding system is based upon the Peercoin protocol, completely recoded and redesigned from scratch, utilizing an efficiency threshold, trust keys, and logarithmic weights to create the fairest and most stable staking system to date.

Developer Commission: The Developer Fund fuels ongoing development and is sourced by a 1.5% commission per block mined, which will slowly increase to 2.5% after 10 years. This brings all the benefits of development funding without the associated risks and limits the control which can exerted by the developer account.

The Ambassador (renamed from Exchange) keys are funded by a 20% commission per block reward. These keys are mainly used to pay for marketing, and producing and launching the Nexus satellites.



Planned features:

Reversible Transactions: Transaction can be reversed if below expiration time by sending transaction void to the network.

Two-Way Signatures: Receiver of transaction will be required to sign to prove ownership of txout before it will be processed. This will prevent burning coins by accident.

Trust Network: Using Trust Keys and more sophistication in Checkpoints will create a Trust Network in which nodes will be given the opportunity to vote on checkpoints and blocks to agree on set blockchain. This will prevent a rogue node from trying to manipulate the network.

Sync-less Wallets: Using the Trust Network as a backbone and the LLP for the protocol, will allow wallets to remain sync-less by processing transactions in the Trust Network.

HTML5 Wallet: Probably coming sooner rather then later, essentially building up a clean simple HTML5 wallet using qt web server. Will have all the great visuals that HTML5/CSS3 provides. Most likely coming before transaction features to have a cleaner GUI to integrate more functionality into.

Double Spend Protection: Using input locking and checking on reorganizations, can prevent a transaction from ever being able to be overwritten by a longer blockchain after a checkpoint eliminating any threat of 51% attacks.

LLL Integration: Once the Library including Static and Dynamic Databases is finished, next will be integrating LLP, LLD, and LLS with possible LLE for encrypted communications and high efficiencies in protocol responses and data storage.



UPDATES TO BE INCLUDED IN FUTURE RELEASES

Updates Planned for the Full 0.3.0 Release include:

1.   LLD database integration.
2.   Trust Key Depreciation Update
3.   Many new RPC commands for increased utility and Block Explorer performance.
4.   LLP Updates.
5.   Reworking of the nPOS system for increased difficulty.




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June 19, 2014, 04:41:49 AM
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Technical Specifications and Download links coming soon. For Now Click The Image Up There ^^ to go to downloads.

[Nexus] Created by Viz. [Videlicet] : "videre licet - it may be seen; evidently; clearly"
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June 19, 2014, 04:43:27 AM
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Guys, why you are so brand new if you are going to resurrect altcoin marketplace from this pandemonium?

Update: Oh, just noticed X11, you guys creating coins for FPGA, not for GPU. Use Scrypt-N.

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June 19, 2014, 04:51:10 AM
 #4

Guys, why you are so brand new if you are going to resurrect altcoin marketplace from this pandemonium?

Update: Oh, just noticed X11, you guys creating coins for FPGA, not for GPU. Use Scrypt-N.

This is precisely why we pre-announced so early, to gather input from the community. Thank you.

Edit: To your prior question, I have been programming for the better part of 10 years, and been heavily involved in Crypto Currencies since April, 2013.

[Nexus] Created by Viz. [Videlicet] : "videre licet - it may be seen; evidently; clearly"
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June 19, 2014, 04:59:32 AM
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Im not a crypto guru.. in laymens terms, whats the planned length of POW? The code is all greek to me.
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June 19, 2014, 05:02:40 AM
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what is the point of the Coin    Huh

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June 19, 2014, 05:06:04 AM
 #7

Im not a crypto guru.. in laymens terms, whats the planned length of POW? The code is all greek to me.

It follows an exponential decay model, which follows a curve to ease shock to market. It will be minable forever, with minimal inflation of 1-3% after initial distribution which will decay to a minimum in around 10 years. Coinshield was designed to have longevity, and be a stable container for wealth for many years to come.

[Nexus] Created by Viz. [Videlicet] : "videre licet - it may be seen; evidently; clearly"
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June 19, 2014, 05:07:35 AM
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Interesting..

Watching this coin
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June 19, 2014, 05:09:31 AM
 #9

Why don't you guys use X13 algo?

.
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June 19, 2014, 05:12:28 AM
 #10

Why don't you guys use X13 algo?

This is precisely why we pre-announced so early, to gather input from the community. Thank you.

EDIT: Why do you think we should go with X13?

[Nexus] Created by Viz. [Videlicet] : "videre licet - it may be seen; evidently; clearly"
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June 19, 2014, 05:18:38 AM
 #11

Not sure I understand what is described fully, but definitely sounds interesting......will watch.
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June 19, 2014, 05:19:44 AM
 #12

New coin new Channels.

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.SEMUX
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  Semux uses 100% original codebase
  Superfast with 30 seconds instant finality
  Tested 5000 tx per block on open network
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KryptoKash
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June 19, 2014, 05:20:02 AM
 #13

Not sure I understand what is described fully, but definitely sounds interesting......will watch.
Let me edit the post, and try to make it a bit clearer. Sorry about that.

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June 19, 2014, 05:22:12 AM
 #14

Why don't you guys use X13 algo?

This is precisely why we pre-announced so early, to gather input from the community. Thank you.

EDIT: Why do you think we should go with X13?

You shouldn't because X13 like every "new" X(N) are designed to be FPGA-friendly. really, stop all this XN rush. Haven't you see how difficulty rising to the moon in a few minutes after launch? Don't feed China.

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June 19, 2014, 05:23:59 AM
 #15

Why don't you guys use X13 algo?

This is precisely why we pre-announced so early, to gather input from the community. Thank you.

EDIT: Why do you think we should go with X13?

You shouldn't because X13 like every "new" X(N) are designed to be FPGA-friendly. really, stop all this XN rush. Haven't you see how difficulty rising to the moon in a few minutes after launch? Don't feed China.

This is very good information, Thank You. Why do you suppose Scrypt-N is the best choice for GPU miners?

[Nexus] Created by Viz. [Videlicet] : "videre licet - it may be seen; evidently; clearly"
mumus
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June 19, 2014, 05:25:24 AM
 #16

Can we know more about the Prime number POW. Is it using similar algorithms like  primecoin or riecoin or is it something new? Primecoin is already GPU so if you want to stay CPU then I guess going in the direction similar to riecoin would be adviced, searching for huge primes which is still "hard" to implement on GPU.
If you are already implementing something new then I would also suggest implementing a new PoW also for GPU like X12 or X14 by adding an additional algo which can be easily implemented on GPU.
mumus
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June 19, 2014, 05:28:18 AM
 #17

Why don't you guys use X13 algo?

This is precisely why we pre-announced so early, to gather input from the community. Thank you.

EDIT: Why do you think we should go with X13?

You shouldn't because X13 like every "new" X(N) are designed to be FPGA-friendly. really, stop all this XN rush. Haven't you see how difficulty rising to the moon in a few minutes after launch? Don't feed China.

I think those who can implement a new X(N) protocol on FPGA deserves to earn more, indifferently from which nation they are coming from.
KryptoKash
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June 19, 2014, 05:28:38 AM
 #18

Not sure I understand what is described fully, but definitely sounds interesting......will watch.
I added this in the opening post. I hope it helps clear things up:
How It All Works:
Coinshield lets users vote in any shitcoin to our system. When a shitcoin is added to our site we open a "channel" for it. A channel will simply let you deposit the shitcoin to the system and in exchange give you CSD. If you accept the trade the system will then take your shitcoin and dump it on active buy orders. The BTC that is generated from this process will then be used to build buy walls for CSD. Here is a better breakdown on how it all works.
Please CLICK HERE for a quick overview on the trade in process flow.

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June 19, 2014, 05:31:16 AM
 #19

Can we know more about the Prime number POW. Is it using similar algorithms like  primecoin or riecoin or is it something new? Primecoin is already GPU so if you want to stay CPU then I guess going in the direction similar to riecoin would be adviced, searching for huge primes which is still "hard" to implement on GPU.
If you are already implementing something new then I would also suggest implementing a new PoW also for GPU like X12 or X14 by adding an additional algo which can be easily implemented on GPU.

The CPU channel is using Riecoin pow. The GPU is actually now being discussed to be changed to Scrypt-N, what do you think the POW should be for the CPU and GPU Channels?

EDIT: Also considering reducing X11 to X7 or X5 to lower the margin between CPU and GPU miners, and make it more GPU friendly. But as sammy007 pointed out, it does make it FPGA friendly. I do not have any test data at the moment as to whether going towards X7 or X5 would have any effect on FPGA. Anyone?

[Nexus] Created by Viz. [Videlicet] : "videre licet - it may be seen; evidently; clearly"
mumus
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June 19, 2014, 05:51:55 AM
 #20

Can we know more about the Prime number POW. Is it using similar algorithms like  primecoin or riecoin or is it something new? Primecoin is already GPU so if you want to stay CPU then I guess going in the direction similar to riecoin would be adviced, searching for huge primes which is still "hard" to implement on GPU.
If you are already implementing something new then I would also suggest implementing a new PoW also for GPU like X12 or X14 by adding an additional algo which can be easily implemented on GPU.

The CPU channel is using riecoin pow. The GPU is actually now being discussed to be changed to Scrypt-N, what do you think the POW should be for the CPU and GPU Channels?

I have a good feeling about this coin and I like the idea.
In my opinion some new algorithms both for CPU and GPU can create some hype and also can bring attention of qualified developers in these fields, which is good.
As I wrote before, if you can and have time I would suggest a new X12 or X14 PoW just simply adding a new algo to the existing X11 or X13. Otherwise my suggestion is X13.
Regarding to the CPU PoW I like Riecoin so it's a good choice, but again if you can bring something new in this territory then would be nice. I guess 10 days is not enough time for such changes.
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