What is DPoS? Delegated Proof of Stake Explained

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August 15, 2024

Consensus mechanisms play an essential role in verifying the legitimacy of blockchain networks by fostering trust, security, and agreement among network participants. In this approach, all nodes in a decentralized network must agree on the state of a blockchain.

Blockchains traditionally incorporated Proof of Stake (POS) and Proof of Work (POW). To increase security, Bitcoin, for example, uses the POW mechanism to pay miners to solve computational puzzles. On the other hand, Ethereum compensates participants with native tokens based on their stake levels.

Nevertheless, Delegated Proof of Stake (DPoS) serves as a solution to address inefficiencies that previous methods could not adequately resolve. So, what exactly is DPoS? In this article, we’ll explore what DPoS is, how it works, and more.

What is Delegated Proof of Stake (DPoS)?

Delegated Proof of Stake (DPoS) offers an alternative to the POS consensus algorithm. In DPoS, network participants elect delegates or validators responsible for creating and validating blocks. Afterward, supporters or voters of these delegates can then receive rewards from them.

Background of DPoS

One of the first projects to employ Delegated Proof of Stake (DPoS) to increase blockchain performance was BitShares, a blockchain platform developed by Daniel Larimer in 2015. Due to its early success, DPoS proved to be a feasible solution for other blockchain projects by demonstrating its ability to manage large transaction volumes.

After BitShares, DPoS was used in several other projects. Notable projects include the well-known blockchain network, EOS, and the social media site, Steem. EOS attracted lots of interest for both its large-scale initial coin offering (ICO) and its application of DPoS. This revealed the potential utility of DPoS for extensive blockchain applications.

How Does Delegated Proof of Stake (DPoS) Work?

In DPoS, voting is combined with a simplified block-creation process. It allows token holders to elect a few delegates who are responsible for validating transactions and creating new blocks.

In order to select these delegates, users pool their tokens into a staking pool, and the delegate with the most tokens may help to validate a block. However, the number of tokens a user has helps to determine their ability to vote. This means that the more tokens they own, the more power they have.

Moreover, voters and other delegates keep an eye on the elected delegates as they alternately propose and validate blocks. To guarantee its legitimacy, a block proposal needs to be approved by the majority of delegates. Unlike conventional consensus methods, this procedure improves the network’s scalability and efficiency.

In addition, delegates can be regularly replaced in DPoS elections according to their reputation and performance. This retains only reliable delegates in positions of authority. Occasionally, delegates and users who voted for them receive rewards such as transaction fees. This encourages delegates to perform better, while voters are motivated to select delegates who best represent their interests.

Proof of Stake (PoS) vs Delegated Proof of Stake (DPoS)

Delegated Proof of Stake (DPoS) and Proof of Stake (PoS) are both consensus mechanisms designed to strengthen the efficiency and scalability of blockchain networks. However, they differ significantly in their approach and execution.

In PoS, all stakeholders with a stake in the network participate directly in the validation process. This model relies on the amount of cryptocurrency held by each participant to determine their influence. Although PoS offers advantages like computational power, lower energy consumption, and quicker transaction processing than Proof of Work (PoW), it can also lead to centralization, as those with larger stakes wield more control and accumulate block rewards disproportionately.

However, DPoS introduces a democratic process for block verification by allowing token holders to vote for a limited number of delegates responsible for transaction validation. This system addresses some PoS’s drawbacks by distributing the validation power more evenly among elected representatives or block producers, rather than concentrating it among wealthy stakeholders. Consequently, DPoS often results in higher transaction throughput and improved scalability. When the number of active validators is reduced, it makes the consensus process more apt and less prone to centralization issues in PoS.

Nominated Proof of Stake (NPoS) vs Delegated Proof of Stake (DPoS)

While Proof of Stake (Pos) and Delegated Proof of Stake (DPoS) share some differences, DPoS and Nominated Proof of Stake (NPoS) have a minor overlap.

Delegated Proof of Stake (DPoS) and Nominated Proof of Stake (NPoS) both use voting for blockchain validation, but with key differences. In NPoS used by Polkadot and Kusama, both nominators and validators are fully involved in the staking system. Nominators vote for validators, and both parties must stake tokens. If either nominators or validators act maliciously, they can face penalties.

Conversely, DPoS allows users known as delegators to vote for validators or delegates who handle block creation and verification. These validators are held accountable for any issues, while delegators are not directly penalized.

Advantages of Delegated Proof of Stake (DPoS)

DPoS differs from other conventional consensus methods due to its unique framework and contributions to the blockchain. Below are some of the advantages of DPoS:

Guarantees Efficiency and Scalability

DPoS accelerates block confirmation times and supports higher transaction throughput by limiting the number of delegates responsible for validating transactions. This approach contrasts sharply with more energy-intensive consensus mechanisms like Proof of Work (PoW), thereby contributing to blockchain’s growth.

Inclusivity and Decentralization

DPoS lowers entry barriers by allowing any token holder to participate in the voting process and potentially become a delegate. This fosters a more democratic governance model and encourages broader community involvement.

Ensure Rapid Network Upgrades

DPoS supports rapid network upgrades and adjustments without requiring disruptive hard forks. Its predictable block production and community-driven decision-making contribute to a better and adaptable blockchain ecosystem.

Disadvantages of Delegated Proof of Stake (DPoS)

While DPoS offers several benefits to blockchain, there are certain limitations. Below are some of the associated risks of DPoS:

Risk of Centralization

A primary concern is the risk of centralization, where a limited number of delegates might concentrate power, undermining the decentralized nature of the network. This can potentially lead to vulnerabilities such as collusion and reduced network security.

Dependence on Voter Participation

The system also relies heavily on active voter participation. If stakeholders are disengaged or uninformed, it can result in the election of ineffective or malicious delegates, compromising network integrity. Also, the need for constant user engagement in voting and awareness can be a significant barrier for some users.

Favoring Wealthier Token Holders

DPoS networks may inadvertently favor those with greater token holdings, giving them more influence in delegate elections and potentially skewing governance. This can marginalize smaller stakeholders and exacerbate inequalities.

Financial Barriers to Delegates

Becoming a delegate in a DPoS network often requires substantial financial resources and infrastructure, making it difficult for average users to participate. This financial barrier can limit the diversity of candidates and increase the cost of network participation.

FAQs

What is the Difference Between Stake and Delegate?

Staking is the process of locking cryptocurrency in a network to serve as transaction collateral, while delegation means entrusting the process to validators to ensure network security.

What is The Purpose of a Delegated Validator in a Proof of Stake Blockchain?

A delegated validator in a proof-of-stake blockchain helps to validate transactions and secure the network. They are selected by token holders who delegate their voting power or stake to them. This system helps ensure network security and efficiency while allowing token holders to participate in governance without directly validating transactions.

What Blockchains use Delegated Proof of Stake (DPoS)?

EOS and Steem are popular blockchains that have contributed to the growth of DPoS. Additionally, it is also implemented on other notable networks, which include: SUI, Tron (TRX), Hive, Elastos, Credits, and Ark.

Does Delegated Proof of Stake Work Like Leased Proof of Stake?

While network participants elect representatives, also known as delegates or witnesses, to stake their crypto in DPoS, Leased Proof of Stake allows these participants to lease their cryptocurrency to network nodes.

Conclusion

Delegated Proof of Stake (DPoS) offers an advanced blockchain consensus approach, improving the traditional Proof of Stake (PoS) method. DPoS boosts efficiency and scalability by using a system where token holders vote to elect delegates who validate transactions. This method speeds up transaction processing and lowers energy use, making it an environmentally friendly option compared to PoW. It also increases inclusivity and adaptability within the network.

However, DPoS has its challenges, such as centralization of power among a few delegates, dependence on active voter participation, potential bias towards wealthier holders, and even its financial barriers to becoming a delegate can limit participation diversity. Nevertheless, DPoS presents a promising solution for improving blockchain performance and addressing the drawbacks of earlier consensus models.

Talent and Human Capital Development – Bola Adesope, 7pm WAT Today

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Ndubuisi Ekekwe

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August 15, 2024

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“We build PEOPLE before we build CARS” – Toyota.

“We are not in the coffee business. We are in the PEOPLE business serving coffees” – Howard Schultz, Founder of Starbucks.

“Talent is GOLD. Talent is the backbone of every organization’s success. The best investment any StartUp business or organization can make is the investment in its people” – Bola Adesope.

Join us today as Tekedia Institute Faculty Bola Adesope. ITIL, PMP, CBAP, CSM, PSM, CSPO, ICP-ACC, LPM, SAFe SPC, of SixDots Canada, teaches on Talent and Human Capital Development. The SixDots Team will be spending time in Nigeria, to run workshops on how companies, including startups and large companies, can accelerate innovation and growth via talent development. The date and venue of this free workshop in Lagos will be communicated in class. If interested to attend, please email here for a free pass (write from your business email).

Tekedia Mini-MBA current learners, use the Zoom link in the classboard to attend today’s session; others who are interested should check this page for a webcast of the session.

Thur, Aug 15 | 7pm-8pm WAT | Talent and Human Capital Development– Bola Adesope, SixDots

Tekedia Faculty Bola Adesope is a multi-award winning Agile and Business Transformation leader. Ex-Accenture and ex-Deloitte, he developed Tekedia Institute’s Agile Methodology Framework which many startups across Africa have used to improve operations.

Nigeria Poised to Play A Huge Role in Advancing Africa’s Artificial Intelligence Drive For Economic Progress

By

Ojukwu Emmanuel

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August 15, 2024

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According to a recent Global System for Mobile Communications Association (GSMA) report titled; “AI for Africa: Use Cases Delivering Impact”, it noted that Nigeria has the potential to drive AI for social economic progress and climate development across the African continent.

This follows a report that suggests that AI could increase Africa’s economy by $2.9 trillion by 2030, the equivalent of increasing annual GDP by 3%, resulting in significant development impacts for the continent. The technology is reportedly being deployed across countries in Africa, however, there is not enough evidence of solutions focused on addressing pressing socio-economic and environmental challenges unique to the continent.

The GSMA report seeks to address this gap by identifying AI-enabled use cases and solutions for development in Nigeria, and some of the continent’s tech leaders.

Speaking on the report, Head of Mobile for Development at the GSMA Max Cuvellier Giacomelli said,

“Nigeria’s potential to harness AI for transformative change is immense. The innovative applications we are already seeing in Agriculture, energy, and climate action are just the beginning. With further progress around data availability, connectivity, or skills development, the country can truly enable AI to drive significant socio-economic progress”.

Nigeria’s National Development Plan (2021-2025) aims to unlock the country’s potential across all sectors of the economy to foster sustainable and inclusive development, in line with the global Sustainable Development Goals (SDGs). It acknowledges the challenges the country faces, including in agriculture and energy, and recognizes the role that technology and innovation can play in addressing these challenges.

Al is poised to be transformative in advancing sustainable development efforts in Nigeria. The technology is already being used to develop solutions across sectors such as Agriculture and food security, Energy, Climate Action, and Emerging Developing Maturing.

Agriculture And Food Security

Agriculture is a significant sector in Nigeria, employing almost 40% of the population and contributing to a quarter of its GDP. The report identifies that digital technologies offer significant potential to address the challenges faced by Nigerian smallholder farmers and improve agricultural value chains, particularly in the last mile.

These technologies include weather and climate services that provide farmers with crucial information to adapt to changing conditions, as well as agricultural digital financial services (agri DFS) that enable access to climate-smart inputs and assets.

Al-powered tools, such as predictive analytics and machine learning algorithms, support precision agriculture, optimize crop management, and facilitate access to inputs and equipment. For instance, Crop2Cash and Ignitia use Al to offer tailored farming recommendations, while Hello Tractor uses Al to connect tractor owners with smallholder farmers. Al also plays a crucial role in addressing food insecurity by forecasting hunger and identifying malnutrition hotspots.

Al-driven models, like those developed by the World Food Programme (WFP), analyze weather patterns, crop yields, and market data to provide early warnings of food shortages. However, the effectiveness of these models demands the availability of comprehensive historical data, necessitating regular and extensive data collection.

Energy

Nigeria has the world’s largest absolute electricity access deficit. Lack of access to the electricity grid affects 45% of the population, which is approximately 90 million people.

Al is seen as a key tool for enhancing grid efficiency, improving revenue collection, and reducing power outages. Digital technologies are also being used to support the deployment of mini-grids, which are crucial for extending energy services to off-grid communities.

Smart meters enhance the operational efficiency of these mini-grids by providing real-time insights into household energy usage. While Nigeria was slower than other countries like Kenya in launching mini-grids, the country has made significant progress, with over 100 new solar-powered mini-grids deployed by 2023 as part of its rural electrification program, supported by the World Bank.

Al is helping to bridge the infrastructure gaps by reducing costs and improving operational efficiency, as seen with Husk Power Systems, which uses Al to forecast supply and demand for better service extension. The off-grid sector in Nigeria has also seen a rise in solar home systems (SHS) that provide clean, reliable, and affordable energy solutions.

The off-grid sector in Nigeria has also seen a rise in solar home systems (SHS) that provide clean, reliable, and affordable energy solutions. Startups like Lumos use loT-based PAYG models to offer SHS to various households and businesses, reducing reliance on fossil fuels.

The integration of Al into loT-based PAYG solutions, such as Azuri Technologies’ real-time analysis of user consumption patterns, is expected to grow due to the complementary nature of these technologies. Al has the potential to significantly impact the planning and deployment of both on-grid and off-grid energy solutions in Nigeria.

Climate Action

While Nigeria has very low greenhouse gas emissions, it is highly vulnerable to the impacts of climate change. Al has the potential to significantly enhance the effectiveness and impact of climate tech solutions. Google Research, for example, has developed Al models capable of forecasting floods, providing alerts up to seven days in advance, which enables more effective early warning and disaster preparedness.

Google’s Floods initiative is available in over 80 countries, including Nigeria, where a pilot was conducted in collaboration with UNOCHA. In the area of climate finance, companies like Chemotronix are leveraging Al alongside other emerging technologies, such as loT and blockchain, for their carbon credit platforms. These technologies are used to collect environmental data to measure, report, and verify emissions, contributing to more accurate and reliable climate action.

Future Outlook

The successful development and deployment of Al-enabled use cases depend on the establishment of robust Al fundamentals, encompassing factors such as data availability and quality, skills, and digital literacy, and infrastructure and compute capacity.

It also relies on the broader enabling environment, which includes critical enablers such as strategic partnerships, sufficient and targeted investment and funding, conducive policy frameworks, and dedicated research and development (R&D) efforts.

A Look into the Arrest Warrant Issued by Germany on Nord Stream Explosion

By

Paul Ugbede Godwin

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August 15, 2024

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In a significant development in the ongoing investigation into the Nord Stream pipeline incident, German authorities have issued an arrest warrant for a Ukrainian diver. This move marks a critical juncture in the unraveling of the 2022 undersea explosions that damaged the crucial gas pipelines between Russia and Germany.

The Nord Stream pipelines, which were designed to transport Russian natural gas to Germany beneath the Baltic Sea, suffered extensive damage due to explosions on September 26, 2022. These events occurred amidst Europe’s efforts to reduce its reliance on Russian energy sources following Russia’s full-scale invasion of Ukraine earlier that year.

The German prosecutors’ decision to issue an arrest warrant for the Ukrainian individual, identified as Volodymyr Z., has added a new layer of complexity to the case. According to reports, Volodymyr Z. is suspected of being part of a team that planted explosive devices along the pipeline route.

The potential consequences for Russia and Germany following the Nord Stream pipeline incident are multifaceted and could have long-term geopolitical and economic impacts.

For Russia, the incident has led to a significant disruption of one of its major natural gas supply routes to Europe. This not only affects Russia’s energy revenues but also its geopolitical influence in the region. The damaged pipelines could potentially undermine Russia’s position as a reliable energy supplier to Europe, prompting European countries to accelerate their search for alternative energy sources.

Germany, on the other hand, faces the immediate challenge of securing its energy supply. The damage to the Nord Stream pipelines exacerbates the country’s vulnerability to energy shortages, especially during periods of high demand. This could lead to increased energy prices and put pressure on the German economy, which is already dealing with the broader implications of the conflict in Ukraine.

Moreover, the arrest warrant issued for a Ukrainian national in connection with the incident adds a layer of diplomatic complexity to Germany’s relations with Ukraine. While Germany has been a strong supporter of Ukraine in its conflict with Russia, the investigation’s findings could test this relationship and Germany’s stance on the international stage.

The incident also raises broader security concerns about the protection of critical infrastructure. Both Russia and Germany, along with other stakeholders, may need to reassess and strengthen the security measures for such essential assets to prevent future sabotage attempts.

The Nord Stream pipeline incident has the potential to reshape the energy and geopolitical landscapes of Russia and Germany, with consequences that could ripple out to affect the broader international community. The ongoing investigation and its outcomes will be closely watched by governments and analysts around the world. For more detailed information on the Nord Stream pipeline incident and its implications, you can refer to the comprehensive reports provided by various news outlets.

As the investigation continues, questions remain about the motives behind the sabotage and the identities of all parties involved. The issuance of the arrest warrant by Germany is a step towards uncovering the truth behind this mysterious and consequential event.

The Nord Stream pipeline incident serves as a stark reminder of the vulnerabilities of critical infrastructure and the potential for such incidents to have profound geopolitical repercussions. It underscores the need for rigorous security measures and international cooperation to safeguard such essential assets.

Exploring Major Banks Accumulating Bitcoin ETFs Globally

By

Paul Ugbede Godwin

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August 15, 2024

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The landscape of cryptocurrency investment is witnessing a significant shift as major banks globally are increasingly accumulating Bitcoin Exchange-Traded Funds (ETFs). This move underscores the growing acceptance of Bitcoin as a legitimate asset class within the traditional financial sector.

One of the most notable developments in this arena is the rise of BlackRock Inc.’s iShares Bitcoin Trust (IBIT), which has recently overtaken Grayscale Bitcoin Trust (GBTC) to become the largest Bitcoin fund globally. With nearly $20 billion in assets and managing 288,670 BTC, IBIT’s rapid growth is attributed to its lower expense ratio and BlackRock’s robust reputation in asset management. This is a clear indication of the confidence that institutional investors are placing in Bitcoin ETFs as a secure and viable investment vehicle.

The inclusion of Bitcoin ETFs in the portfolios of some of the world’s largest banks is not just a trend but a testament to the evolving perspective on cryptocurrencies. With the SEC’s approval of Bitcoin ETFs, banks, hedge funds, and other financial institutions now have an easier on-ramp to gain exposure to digital assets.

The competition between IBIT and GBTC has been heating up, with both funds vying for market share. The structural design of GBTC as a closed-end fund led to significant discounts to its net asset value (NAV), resulting in substantial outflows. In contrast, IBIT’s lower expense ratio of 0.25% has made it a more attractive option for investors, leading to its current dominance in the market.

The trend is not limited to BlackRock, as America’s largest bank, JPMorgan Chase, has disclosed its exposure to spot Bitcoin ETFs issued by some of the largest asset managers, including BlackRock, Fidelity, and Grayscale. Similarly, BNP Paribas, one of Europe’s largest banks, has officially joined the Bitcoin adoption movement by investing in BlackRock’s IBIT.

This burgeoning interest in Bitcoin ETFs is part of a broader trend of growing mainstream acceptance of Bitcoin as an asset class. The consecutive days of net inflows into Bitcoin ETFs and the increasing liquidity in the market are positive indicators for the cryptocurrency ecosystem. It reflects a maturing market that is driving innovation and potentially lowering costs for investors.

Investing in Bitcoin ETFs presents a unique set of risks and considerations that potential investors should be aware of. One of the primary concerns is the inherent volatility of the cryptocurrency market. Bitcoin, and by extension Bitcoin ETFs, can experience extreme price fluctuations in short periods, which can significantly affect the value of an investment.

Another risk is market risk, which encompasses security and regulatory issues prevalent in the cryptocurrency space. Investors are exposed to the uncertainties of market regulation, which can lead to sudden and unpredictable changes in the legal landscape affecting Bitcoin ETFs.

Additionally, the fee structures of Bitcoin ETFs may be higher compared to traditional ETFs. This is due to the specialized nature of these funds and the additional costs associated with managing them.

Indirect ownership is also a factor to consider. When investing in a Bitcoin ETF, investors do not own the actual Bitcoin; instead, they own shares in a fund that represents the value of Bitcoin. This separation can lead to tracking errors, where the ETF may not perfectly mirror the price movements of Bitcoin itself.

The strategic moves by these major banks signal a shift in the financial landscape, where digital assets are increasingly becoming part of diversified investment portfolios. With the SEC’s approval of Bitcoin ETFs providing an easy on-ramp for banks and hedge funds, the stage is set for a new era of institutional investment in cryptocurrencies.

As the competition among Bitcoin ETFs intensifies, it will be interesting to observe how this dynamic market evolves and what implications it will have for the future of investment strategies. The growing acceptance of Bitcoin by legacy finance institutions is a testament to the enduring appeal and potential of cryptocurrencies as a transformative force in the global economy.

What is DPoS? Delegated Proof of Stake Explained

What is Delegated Proof of Stake (DPoS)?

Background of DPoS

How Does Delegated Proof of Stake (DPoS) Work?

Proof of Stake (PoS) vs Delegated Proof of Stake (DPoS)

Nominated Proof of Stake (NPoS) vs Delegated Proof of Stake (DPoS)