submitted by ShadowOfHarbringer to btc [link] [comments]
submitted by AltCash to altcash [link] [comments]
submitted by AltCash to altcash [link] [comments]
submitted by AltCash to altcash [link] [comments]
submitted by AltCash to altcash [link] [comments]
⚖️ Stability in PYRK is ensured through the use of a triple PoW algorithm. The idea of a multi-algorithm originated in Digibyte. Splitting the mining into three different algorithms effectively splits the amount of work performed by each algorithm to 33% of the total network hash rate.submitted by VS_community to pyrk [link] [comments]
🔹 The triple consensus algorithm in PYRK includes SHA256, Scrypt, and X11. Each of these algorithms has been selected for their reliability and security performance.
🔹 With this solution, any pool or miner mining can only achieve 33% of the total hash rate even if they are mining 100% of the hash rate of a single algorithm. It is an exceedingly unlikely case that a single miner attains 100% of the hash rate of a single algorithm.
🔹 The triple algorithm approach helps to further protect the network from bad actors while also providing the preferred Proof-of-Work mechanism.
🛡 Multishield is another factor for network stability. In order to maintain an "average" block timing, blockchains such as Bitcoin, Litecoin, and Pyrk all use different methods of "difficulty retargeting". The idea is that as there is more hash-power provided by the miners it needs to become harder and harder to find the blocks.
Read more about PYRK solutions here: https://www.pyrk.org
submitted by sidhujag to ethereum [link] [comments]
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!
|submitted by santoterracomputing to Bitcoin [link] [comments]|
Hello, community! 👋🏻 In this post, we will tell you about Proof-of-Work and Proof-of-Stake algorithms and why PYRK uses PoW.submitted by VS_community to pyrk [link] [comments]
🔗 A large part of 2019 was discussed in the discussion of the pricing of the key digital assets, which slightly increased, slightly higher than before. 2020 began with the confirmation of the bullish trend, taking into account the increase in bitcoin in January at Z0%. At the same time, the process between Proof-of-Work and Proof-of-Stake (proof of share) did not complete. Emotional gain increased by the approximation of the Ethereum switch from the PoW protocol to the PoS protocol.
🔗 Coins with PoW support are mined in the sector, having a colossal share of 82.92% and a cumulative market capitalization of about $ 213, 5 billion. The predominance of market capitalization on PoW is ensured by the fact that the bitcoin dodu accounts for 65% of the total market capitalization of crypto assets. Its main advantages of PoW are protection against DoS attacks and the low impact of the miner’s cryptocurrency share on mining opportunities.
🏆 PYRK Proof-of-Work triple algorithm
✅ Since PoW is still the preferred mining consensus mechanism, PYRK proposes to take a multiple algorithm approach. Instead of trying to use algorithms which are ASIC resistant, we propose to use algorithms which have had ASIC miners for quite some time. These are: SHA256, Scrypt, and X11.
✅ Since these miners are already in wide use, the distribution of mining should be fair and even. Furthermore, the use of three different algorithms results in a far less chance of any single person gaining a majority hash rate share. Lastly, we use the Multishield difficulty adjustment algorithm to prevent difficulty spike issues resulting from burst mining.
✅ The idea of multi-algorithm originated in Digibyte. Splitting the mining into three different algorithms effectively splits the amount of work performed by each algorithm to 33% of the total network hashrate. This means that any pool or miner mining can only achieve 33% of the total hashrate even if they are mining 100% of the hash rate of a single algorithm. It is an exceedingly unlikely case that a single miner attains 100% of the hash rate of a single algorithm, especially as the number of miners and pools grow with the network. The triple algorithm approach helps to further protect the network from bad actors while also providing the preferred Proof-of-Work mechanism.
Read more about PYRK project and its Proof-of-Work triple algorithm in our Whitepaper: https://www.pyrk.org/Pyrk-Whitepaper.pdf
And on our website: https://www.pyrk.org
|submitted by dyslexiccoder to Bitcoin [link] [comments]|
Hello. 👋🏻 In this post we will tell you about Digibyte and the features of applying its solutions in PYRKsubmitted by VS_community to pyrk [link] [comments]
❓ What is Digibyte?
Digibyte is a cryptocurrency that was created as an alternative to Bitcoin to solve its mining problems.
⚙️ Digibyte Multi-level Difficulty Adjustment
🔸 The idea of a multilevel adjustment of Multishell complexity is that the algorithm can adjust the mining complexity to maintain the block creation speed. Due to the fact that the number of miners can increase or decrease, the network can be unstable, therefore Multishell corrects the difficulty of computing, and hence mining.
🔸 If the miners provide too much power for the network, the algorithm will adjust to this and increase the complexity of mining to the required level. If there is an outflow of capacities, then the algorithm will simplify mining.
💡 Digibyte Multi-Algorithm Mechanism
🔸 Digibyte Multi-Algorithm is a great solution to limit miners. Some algorithms are more complicated than their counterparts. Let's say there is a pool of miners whose ASICs are designed for a very high speed of working with SHA256. If they start mining on SHA256, they will be able to achieve only 33% of hashrate. The remaining 66% belong to two other algorithms.
✅ PYRK borrowed both of these solutions
🔹 This opens up new opportunities for PYRK. The coin will be able to efficiently provide high speed operation both at high network load and at low. Thanks to the Triple Proof-of-Work Algorithm, it is possible to mine on different algorithms. Thus, it is very unlikely for a single miner to attain 100% of the hash rate of a single algorithm.
📢 Read more about the benefits and features of PYRK, based on Digibyte at: http://pyrk.org
submitted by shermand100 to Monero [link] [comments]
Main project page with manual and screenshots https://github.com/shermand100/pinode-xmr
Download PiNode-XMR_v2.12.19_m0.15.0.1.img -Hosted on Google drive - 6.45GB
SHA256 Hash: 0EE90EEC65F430DC89FB3236474AA576BA0AFFFF4005B044FFE40D4A47B148F0
Hardware: Raspberry Pi 3/4 including B and + models
I've been making nodes for other coins for a few years to learn about some crypto basics. It got a bit of interest for I have a site https://PiNode.co.uk but recently far more advanced projects have come on the scene (such as RaspiBlitz for Bitcoin) which was so far superior there was no sense pursuing it . However there are benefits for Monero users running their own node and we didn't have that quality of plug and play node. So I've been giving it a go and this is the result.
The Future of PiNode-XMR:
First of all project needs feedback to continue, I don't know what to develop and introduce unless people say what they don't like, do like or want.
Second, it'd be great if anyone else in the Monero community would like to get involved, we have a great group and I'm sure there is an aspect of this project someone takes an interest in. Please get in touch. Like if there are any budding website designers in our midst the UI is the last module of this project that isn't open source, it's from a template and I've put it together best I can but...throwing that out there :) I'd be nice if the monero community could completely own this project, completely open source.
Finally, I know that now there is more choice on the single board computer market and although the Raspberry Pi is popular it may not be the best hardware choice. So the next plan is to rather than make disk images that are hardware specific, to instead make scripts that are based on an OS ( probably Debian ). This way this project can be built by anyone using a single command onto Pine64, Odroid, Bananapi or any old laptop/pc with Debian for thier full node.
Thanks for taking an interest and readingDan
The "Advanced Settings" page from the UI for a bit of colour after all that text:
Edit: Added download link to this page too. Corrected image layout.
Edit2: Added hash of image. And note it's also possible to flash the image directly onto a USB drive with a program like Rufus and not insert a MicroSD at all. You'll need to then manually expand that partition to the size of the drive, but may be useful to know.
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