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We are excited to participate and present Syscoin Platform's ideal characteristics and capabilities towards a well-rounded Reddit Community Points solution!
Our scaling solution for Reddit Community Points involves 2-way peg interoperability with Ethereum. This will provide a scalable token layer built specifically for speed and high volumes of simple value transfers at a very low cost, while providing sovereign ownership and onchain finality.
Token transfers scale by taking advantage of a globally sorting mempool that provides for probabilistically secure assumptions of “as good as settled”. The opportunity here for token receivers is to have an app-layer interactivity on the speed/security tradeoff (99.9999% assurance within 10 seconds). We call this Z-DAG, and it achieves high-throughput across a mesh network topology presently composed of about 2,000 geographically dispersed full-nodes. Similar to Bitcoin, however, these nodes are incentivized to run full-nodes for the benefit of network security, through a bonded validator scheme. These nodes do not participate in the consensus of transactions or block validation any differently than other nodes and therefore do not degrade the security model of Bitcoin’s validate first then trust, across every node. Each token transfer settles on-chain. The protocol follows Bitcoin core policies so it has adequate code coverage and protocol hardening to be qualified as production quality software. It shares a significant portion of Bitcoin’s own hashpower through merged-mining.
This platform as a whole can serve token microtransactions, larger settlements, and store-of-value in an ideal fashion, providing probabilistic scalability whilst remaining decentralized according to Bitcoin design. It is accessible to ERC-20 via a permissionless and trust-minimized bridge that works in both directions. The bridge and token platform are currently available on the Syscoin mainnet. This has been gaining recent attention for use by loyalty point programs and stablecoins such as Binance USD.
SolutionsSyscoin Foundation identified a few paths for Reddit to leverage this infrastructure, each with trade-offs. The first provides the most cost-savings and scaling benefits at some sacrifice of token autonomy. The second offers more preservation of autonomy with a more narrow scope of cost savings than the first option, but savings even so. The third introduces more complexity than the previous two yet provides the most overall benefits. We consider the third as most viable as it enables Reddit to benefit even while retaining existing smart contract functionality. We will focus on the third option, and include the first two for good measure.
Syscoin + Matic IntegrationMatic and Blockchain Foundry Inc, the public company formed by the founders of Syscoin, recently entered a partnership for joint research and business development initiatives. This is ideal for all parties as Matic Network and Syscoin Platform provide complementary utility. Syscoin offers characteristics for sovereign ownership and security based on Bitcoin’s time-tested model, and shares a significant portion of Bitcoin’s own hashpower. Syscoin’s focus is on secure and scalable simple value transfers, trust-minimized interoperability, and opt-in regulatory compliance for tokenized assets rather than scalability for smart contract execution. On the other hand, Matic Network can provide scalable EVM for smart contract execution. Reddit Community Points can benefit from both.
Syscoin + Matic integration is actively being explored by both teams, as it is helpful to Reddit, Ethereum, and the industry as a whole.
Proving Performance & Cost SavingsOur POC focuses on 100,000 on-chain settlements of token transfers on the Syscoin Core blockchain. Transfers and burns perform equally with Syscoin. For POCs related to smart contracts (subscriptions, etc), refer to the Matic Network proposal.
On-chain settlement of 100k transactions was accomplished within roughly twelve minutes, well-exceeding Reddit’s expectation of five days. This was performed using six full-nodes operating on compute-optimized AWS c4.2xlarge instances which were geographically distributed (Virginia, London, Sao Paulo Brazil, Oregon, Singapore, Germany). A higher quantity of settlements could be reached within the same time-frame with more broadcasting nodes involved, or using hosts with more resources for faster execution of the process.
Addresses used: 100,014
The demonstration was executed using this tool. The results can be seen in the following blocks:
It is important to note that this POC is not focused on Z-DAG. The performance of Z-DAG has been benchmarked within realistic network conditions: Whiteblock’s audit is publicly available. Network latency tests showed an average TPS around 15k with burst capacity up to 61k. Zero-latency control group exhibited ~150k TPS. Mainnet testing of the Z-DAG network is achievable and will require further coordination and additional resources.
Even further optimizations are expected in the upcoming Syscoin Core release which will implement a UTXO model for our token layer bringing further efficiency as well as open the door to additional scaling technology currently under research by our team and academic partners. At present our token layer is account-based, similar to Ethereum. Opt-in compliance structures will also be introduced soon which will offer some positive performance characteristics as well. It makes the most sense to implement these optimizations before performing another benchmark for Z-DAG, especially on the mainnet considering the resources required to stress-test this network.
Cost SavingsTotal cost for these 100k transactions: $0.63 USD
See the live fee comparison for savings estimation between transactions on Ethereum and Syscoin. Below is a snapshot at time of writing:
ETH price: $318.55 ETH gas price: 55.00 Gwei ($0.37)
Syscoin price: $0.11
Snapshot of live fee comparison chart
Z-DAG provides a more efficient fee-market. A typical Z-DAG transaction costs 0.0000582 SYS. Tokens can be safely redeemed/re-spent within seconds or allowed to settle on-chain beforehand. The costs should remain about this low for microtransactions.
Syscoin will achieve further reduction of fees and even greater scalability with offchain payment channels for assets, with Z-DAG as a resilience fallback. New payment channel technology is one of the topics under research by the Syscoin development team with our academic partners at TU Delft. In line with the calculation in the Lightning Networks white paper, payment channels using assets with Syscoin Core will bring theoretical capacity for each person on Earth (7.8 billion) to have five on-chain transactions per year, per person, without requiring anyone to enter a fee market (aka “wait for a block”). This exceeds the minimum LN expectation of two transactions per person, per year; one to exist on-chain and one to settle aggregated value.
Tools, Infrastructure & Documentation
Syscoin BridgeMainnet Demonstration of Syscoin Bridge with the Basic Attention Token ERC-20
A two-way blockchain interoperability system that uses Simple Payment Verification to enable:
APITools to simplify using Syscoin Bridge as a service with dapps and wallets will be released some time after implementation of Syscoin Core 4.2. These will be based upon the same processes which are automated in the current live Sysethereum Dapp that is functioning with the Syscoin mainnet.
DocumentationSyscoin Bridge & How it Works (description and process flow)
Superblock Validation Battles
HOWTO: Provision the Bridge for your ERC-20
HOWTO: Setup an Agent
Developer & User Diligence
Trade-offThe Syscoin Ethereum Bridge is secured by Agent nodes participating in a decentralized and incentivized model that involves roles of Superblock challengers and submitters. This model is open to participation. The benefits here are trust-minimization, permissionless-ness, and potentially less legal/regulatory red-tape than interop mechanisms that involve liquidity providers and/or trading mechanisms.
The trade-off is that due to the decentralized nature there are cross-chain settlement times of one hour to cross from Ethereum to Syscoin, and three hours to cross from Syscoin to Ethereum. We are exploring ways to reduce this time while maintaining decentralization via zkp. Even so, an “instant bridge” experience could be provided by means of a third-party liquidity mechanism. That option exists but is not required for bridge functionality today. Typically bridges are used with batch value, not with high frequencies of smaller values, and generally it is advantageous to keep some value on both chains for maximum availability of utility. Even so, the cross-chain settlement time is good to mention here.
CostEthereum -> Syscoin: Matic or Ethereum transaction fee for bridge contract interaction, negligible Syscoin transaction fee for minting tokens
Syscoin -> Ethereum: Negligible Syscoin transaction fee for burning tokens, 0.01% transaction fee paid to Bridge Agent in the form of the ERC-20, Matic or Ethereum transaction fee for contract interaction.
Z-DAGZero-Confirmation Directed Acyclic Graph is an instant settlement protocol that is used as a complementary system to proof-of-work (PoW) in the confirmation of Syscoin service transactions. In essence, a Z-DAG is simply a directed acyclic graph (DAG) where validating nodes verify the sequential ordering of transactions that are received in their memory pools. Z-DAG is used by the validating nodes across the network to ensure that there is absolute consensus on the ordering of transactions and no balances are overflowed (no double-spends).
APISyscoin-js provides tooling for all Syscoin Core RPCs including interactivity with Z-DAG.
DocumentationZ-DAG White Paper
Useful read: An in-depth Z-DAG discussion between Syscoin Core developer Jag Sidhu and Brave Software Research Engineer Gonçalo Pestana
Trade-offZ-DAG enables the ideal speed/security tradeoff to be determined per use-case in the application layer. It minimizes the sacrifice required to accept and redeem fast transfers/payments while providing more-than-ample security for microtransactions. This is supported on the premise that a Reddit user receiving points does need security yet generally doesn’t want nor need to wait for the same level of security as a nation-state settling an international trade debt. In any case, each Z-DAG transaction settles onchain at a block target of 60 seconds.
Syscoin SpecsSyscoin 3.0 White Paper
(4.0 white paper is pending. For improved scalability and less blockchain bloat, some features of v3 no longer exist in current v4: Specifically Marketplace Offers, Aliases, Escrow, Certificates, Pruning, Encrypted Messaging)
WalletsWeb3 and mobile wallets are under active development by Blockchain Foundry Inc as WebAssembly applications and expected for release not long after mainnet deployment of Syscoin Core 4.2. Both of these will be multi-coin wallets that support Syscoin, SPTs, Ethereum, and ERC-20 tokens. The Web3 wallet will provide functionality similar to Metamask.
Syscoin Platform and tokens are already integrated with Blockbook. Custom hardware wallet support currently exists via ElectrumSys. First-class HW wallet integration through apps such as Ledger Live will exist after 4.2.
Current supported wallets
Syscoin Spark Desktop
ExplorersMainnet: https://sys1.bcfn.ca (Blockbook)
Thank you for close consideration of our proposal. We look forward to feedback, and to working with the Reddit community to implement an ideal solution using Syscoin Platform!
Is quantum resistance to protect against hacking, or against “fast mining” (preventing inequality between PoW miners)? How is it possible to guarantee quantum resistance? Isn’t our understanding of quantum computing just based on theories since quantum computers are not fully functional yet?Side chains will run parallel and be interoperable with the main chain. Side chains allow for new, more efficient, consensus mechanisms as well as smart contract functionality. Eventually other major blockchains will be interoperable with Hcash, through side chains and relays, DAG EVM for ETH, and other “Layer 2” solutions (Lightning Network for BTC and BTC forked code). Side chains allow for different scalability methods, flexibility and accessibility.
What do you mean by “exchange of value and valuable information”? Is this the exchange of coins and smart contracts?Quantum resistance is the protection against attacks made by quantum computers, which is currently contrasted by what we know about classical computers. Quantum computers weaken the security assumptions of certain types of cryptography, including ECDSA. If ECDSA were broken, attackers could steal balances in addresses that have made previous spends because the ECDSA public key for the address is revealed to the blockchain. Addresses with unexposed ECDSA keys will be resistant to this type of attack, as they are secured by RIPEMD160 and their ECDSA keys have not been revealed. Quantum resistance does not mean quantum proof. Quantum resistance means that quantum-based attacks do not have a significant advantage over the computers we have today. Based on what we currently know, our signature scheme is quantum resistant. No one knows what the future holds which is why it is important to always continue research and development into quantum resistant cryptography.
Imagine that in 2 years, a kid walks up to you and asks, “What do you do and how does it help society?”The “value” you are referring is not derived from our current understanding of value (fiat). The “true value” that blockchain systems hold is stored in the hashes themselves. Data and information is king.
An uninformed businessman who has no understanding of blockchain, but has heard Bitcoin approaches you. How do you explain your product and the benefits to him so that he remembers to give you a call the next day?We are one of many projects that helped build a more secure web of connected devices, and revolutionized peoples’ opinion on value and what really matters.
After reviewing the Hcash source code on GitHub https://github.com/HcashOrg/hcashd, I've found that almost all the Hcash main chain code has been written by SJTU (Shanghai Jiao Tong University), for example https://github.com/sammy00 https://github.com/yczhangsjtu. What have other contributors, such as the Nucleus Team, done for Hcash?Tell him to do his research on blockchain first before selling him on some grand idea. Smart investors grow a stable smart economy, not dumb money.
The main chain public repo hasn’t been updated very frequently.Shanghai Jiao Tong University’s Lab of Cryptography and Computer Security is the primary contributor to the main chain code. It is no small feat to have the 4th best university in China working on this project. The Nucleus Team is working with them to finish main chain testing. After the main chain launch, the Nucleus team will focus on the future development for Hcash including our side DAG EVM and main chain Lightning interoperability.
When will the swap from Hshares to Hcash take place?Please refer to our new GitHub. The frequency of updates will increase as we approach/ pass the main chain launch.
What is the exact date of main chain launch?The swap to the main chain will take place after the main chain launch mid-February. Announcements will be made as to how and where you can swap your Hshares for Hcash.
Will you provide interoperability for all the existing blockchains?The main chain launch will take place mid-February. We are aiming for release on February 15th.
Will the interoperability between the blockchains support both transfer of data and transfer of value?We hope to provide interoperability for all blockchains in the future. That is a lot of work though. We will start with the larger chains that have healthy development and community sizes first. To make this easier, we plan to provide a back-end solution for new blockchains to make this process easier.
What is a block-less blockchain? Is this a traditional distributed system?Yes
How will Hcash bridge block-less and traditional blockchains?A block-less blockchain accomplishes the same goals as a traditional blockchain by using consensus to determine the order of transactions. A block-less blockchain, such as a DAG, allows for faster consensus without traditional block size requirements. Faster consensus means higher throughput.
What signature scheme will you use to achieve quantum resistance? Why?Through relays between our main chain and side DAG. A more technical analysis will be available in our upcoming yellow paper.
Provide an overview as to how inoperability will be achieved.Hcash is using the BLISS signature scheme. Hcash’s version of BLISS has been hardened to mitigate side channel attacks. BLISS was chosen for its efficient key and signature size.
Specifically, what is the theory behind Hcash’s interoperability?We will be using relays to Hashed Timelock Contracts for Lightning Network interop on our main chain, relays and colored coins that operate with our DAG EVM, bridges to side chains for more uncommon chains, and back-end protocols for newer blockchains.
What is the timeline for interoperability? Will this be the main focus of Hcash? When can be expect an Alpha version?This answer would be longer than the entire AMA. Unfortunately, the specifics will have to wait until the yellow paper release. In the meantime, I would read the Lightning Network whitepaper because it is an excellent source of information. You could also research BTC relays and EVMs.
How will swap values be calculated when switching between blockchains? Is it based on the current market value?We will be updating the roadmap in Q2. Interop timeframes will be easier to gauge after the main chain release. There are quite a few ideas around what we would like to tackle next, whether it would be assisting other projects on Lightning Network development, the DAG EVM implementation, or possibly both at the same time.
Will you update the whitepaper to include a comprehensive overview of interoperability, its theory and its exchange functions?Yes, it would be based on the current, real time market value.
Can you explain who will use the Hcash? I am trying to figure out where the supply and demand will come from.In the coming months we plan to do an update on the white paper. The technical analysis will be provided in our yellow paper. These will be detailed in the updated roadmap to be released after the main chain launch.
Will you be hiring an advertising team?Our target audience is everyone, from people playing mobile games to supporting business and government logic. The supply and demand will come with the need to transfer more and more data across multiple platforms. As for the economic model, this has not been outlined yet. We will be exploring all methods that fall in line with creating smart economies, including 2 token models.
What are ring signatures in cryptography? How do they work?We are already expanding Western marketing, primarily in the US. More focus on this will come soon after the main chain.
Most of us understand the interoperability of the network. What is a specific use case for Hcash? What role will Hcash have in the network? What makes it a requirement for interoperability? If someone has Bitcoin and wants to convert it to Ethereum using Hcash’s network wallet, is Hcash used as a fee for that conversion?At this time, we are exploring more efficient transaction schemes, such as bulletproofs. Bulletproofs can reduce the computational power needed for privatized/ anonymous transactions.
Here is an analogy. You walk into an arcade with 20 different machines. Each of these machines takes a different token, but you only have coins that operate with one of these machines. This would be the type of solution we hope to provide. Fees can be paid with Hcash. In the future we can explore taking fees in other denominations as well. More of this would be explained in detail with our yellow paper and economic model.
Are you willing to divulge how many apps you have in development for the Hcash main chain?Main chain release is mid-February, but we are aiming for launch on February 15th.
What is the Martian’s current relationship to Hcash? Is he still part of its team?The primary focus right now is to improve the stability of the Hcash main chain. This will ensure successful launches in the future for developers on our side DAG EVM.
Will the main chain go up according to schedule? Are there any problems with Hcash? The specialist sales team was made up of shareholders/ investors, right?The Hcash team is currently located on Earth. The last I heard the Martian was returning to Mars.
Is the code on GitHub all original? Are all developments executed on GitHub? Why is there so little original code? There are so few modifications. I also noticed there are remarkably few references to the code. Most of them are from documents that have been updated.Provided no unforeseen circumstances, we are on schedule for the main chain release. There are roadblocks and disconnects with every project. This is a new world of technology we are exploring. I think the team you may be referring to is the Hcash Foundation themselves. A lot of the Western marketing and development is being handled by the Nucleus Team.
What is scope of the Hcash R&D team?Many engineers have worked to contribute to the blockchain community over the years. We are taking advantage of the hard work and research that has been done while also making our own meaningful contributions for others to use in their code. It is important to acknowledge the contributions of others. The work completed by Decred in particular has allowed us to grow. Now we will have our chance to contribute back to them and others with our post quantum signature scheme and NG implementation. There are advantages of having similar projects that people don’t realize. For example, after our main chain launch we can explore assisting with development on the Lightning Network. As for GitHub, you will see activity increase when the main chain launches.
Hcash is currently collaborating with three universities. Shanghai Jiao Tong University has been working on the main chain quantum resistance. What are the main responsibilities of the other two universities?To assess, research and develop cutting edge decentralized consensus mechanisms and applications.
The Westerners working on Hcash don't seem very enthusiastic. They aren't following a lot of people on Twitter. Does the team have any clearer plans for increasing publicity?Building blockchain technology is a group effort. The other teams have also been researching other options for main chains, smart contracts etc. For example, Dr. Joseph Liu from Monash University is working on ring signature schemes to continue our research and development into privatized transactions. We are looking forward to taking the best efforts of all teams and bringing them to the blockchain communities at large, starting with the post quantum implementation from LoCCS at Shanghai Jiao Tong University.
Are there plans to get onto more exchanges such as Bittrex?The Westerners are primarily focused on the technology, development, and creating more content. The community management will be increasing transparency and activity in time. More Western marketing can be done after the launch of the main chain.
When will quantum resistant technology be implemented into Hcash? Where can we follow the developments being made and is there anywhere we can go to participate in the project?When moon? We are constantly considering all options to allow users to access Hcash. Currently we are listed amongst some of the top exchanges like Binance and growing exchanges like KuCoin.
Where do you download the wallet? How do you mine?Quantum resistant technology is available now on GitHub at https://github.com/HcashOrg/hcashd and will be available for use outside of the testing environment when the main chain launches in the middle of February.
When will Hshares swap Hcash? Can you announce a general time?The wallet for the new main chain can be found on GitHub at https://github.com/HcashOrg/hcashwallet. You can mine on the new main chain by joining a pool or using the hcashd node to solo-mine.
Will there be an address mapping when Hshares swaps to Hcash like there was with EOS? What other kind of mechanism will be used for the coin swap?Hshares can be redeemed for Hcash after the main chain launches in the middle of February. Announcements will be made regarding how and where to swap your Hshares for Hcash.
When will the main chain that can support smart contracts go online? When will tokenization for Hcash take place?A snapshot of Hshares will be included in the Genesis (first) block of Hcash’s launch to allow users to convert their Hshares into Hcash. An announcement will be made as to how, when and where conversions will take place.
There aren't many updates on GitHub and there aren’t many contributors. What kind of coordination is going on with the development team?Smart contract functionality will be available when our side DAG launches. Users, businesses and developers will be able to build dApps, launch tokens and more. We are making sure the main chain is a stable foundation before adding our DAG to the Hcash ecosystem.
Based on what I've been reading, Shanghai Jiao Tong University is mainly responsible for the main chain portion of the project. How is their team doing? How many research students in their labs are helping them?Both the Nucleus Team and members of Shanghai Jiao Tong University LoCCS are working together to finalize testing. Updates are being made to our GitHub at https://github.com/HcashOrg/hcashd.
Can you confirm that the main chain will finally go up in mid-February? Is it just a hypothetical date and then a further delay?Shanghai Jiao Tong is responsible for building and launching the new main chain. Their team there has been doing a great job with research and development and we look forward to seeing more of their work. The Nucleus Team is currently working with them to finish testing. After testing, the Nucleus team will focus on the future development of the project including our side DAG. I do not know the size of their team as we have not visited their lab.
What is the status of these interoperability features? When is the main chain going online?The primary responsibility is to make sure the main chain is stable and secure so that it can be used as the foundation to add other important features to the Hcash ecosystem, like smart contracts and hidden transactions. Everyone is working very hard to hit the target release date of mid-February. We are planning on mid-February for the launch unless anything unexpected comes up.
Won’t zero knowledge proofs conflict with the system’s throughput?Main chain will be released mid-February. The interoperability features depend on the stability of the network. Our side DAG EVM will be the quickest addition to the Hcash ecosystem that will allow for ETH interoperability. Lightning Network on the main chain will require further research and development.
We are currently working on more uncommon implementations of zero proof knowledge, such as bulletproofs that allow for efficient transaction speeds. We can also achieve higher throughput with our side DAG.
The Coordinator (or Coo for short) are IOTA nodes spread across the globe and operated by the IOTA foundation. These serve the purpose of issuing zero-value transactions (called milestones) which ensure the incoming transactions that reference the milestone ones conform to the rules of the protocol. A long-established exchange that has been operating since 2014, Has a track record of "zero server down". We offer a bitcoin loan service. 11 bit : TREASURY: 2.4: An exchange operated by the JASDAQ listed company "FISCO" group. It is possible to purchase unique tokens “Fiscocoin (FSCC), Kaikacoin (CICC), Nexcoin (NCXC)”. It is reliable because the operating company is a listed company and ... -brief discussion on what Bitcoin was meant to be, and the issues that have prevented it from being able to be adopted as a P2P currency (speed, fees, UX, etc)-explain the origins of Nano and what the tech does (block lattice vs blockchain, feeless, nearly instant, zero mining, zero inflation) Near Zero Transaction Fees: 1 millionth of a dollar transaction fees allows Stellar to be perfect for additional micropayments use-cases; 2-5 second fully-settled transaction times; Ability to launch ICO’s on the Stellar blockchain: New Projects can launch on the platform to release their own token. For a new transaction to be added, it must build on top of older ones. Suppose that Alice creates a new transaction. For it to be acknowledged, this transaction must reference previous ones. A bit like how a block in Bitcoin references the one that came before it, but there are multiple transactions referenced. The decentralized exchange (dex) built on Ethereum, Uniswap has accumulated a whopping $2 billion in total value locked (TVL) this week. Tuesday’s data shows out of all the dece IOTA releases Pollen, the first phase to the IOTA 2.0 decentralized network which is expected to arrive in the first half of 2021, so let’s find out more in the IOTA news crypto.. IOTA continues its path to the so-called Coordicide which is the removal of the Coordinator, a node run by the IOTA Foundation for the network protection and transaction confirmation. I sent NEO from bitfinex to binance with zero fee and it took only 5min (including that 1min for that email to show up on my phone) But it has to be a whole number, 1.00, not 0.99 or 0.01 level 1 For this, you have to press on the exchange button and place your order. Binance charges 0.1% fee for a trade. The amount of IOTA you get will depend on the price of IOTA coins as per the bitcoin or ethereum you had chosen to exchange for it. Once this transaction is complete, the IOTA coins show up on your exchange account as a balance. From ... Bitcoin transaction fees are on the rise again. Fees shot up more than 350% during the last thirty days to Oct. 22. The most significant increase occurred in the last week, as the price of bitcoin …
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