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The TechBeat: Backing Up Weaviate with MinIO S3 Buckets to Achieve Strategic Enhancement to Data Management (4/13/2024)

The TechBeat: Backing Up Weaviate with MinIO S3 Buckets to Achieve Strategic Enhancement to Data Management (4/11/2024)

Backing Up Weaviate with MinIO S3 Buckets to Achieve Strategic Enhancement to Data Management

In the presentation below, 0xGorilla, CTO at , presented on the current state of price oracles and the steps to improving them. DeFi Wonderland https://youtu.be/HR9rRp6c7Y8?si=Q1DhUBDXGOvzTmHZ&embedable=true Below is a glossary of key concepts mentioned during 0xGorilla’s talk, intended as a supplement to his video presentation. WHAT IS DEFI WONDERLAND? is a community of developers, researchers, investors, and other DeFi enthusiasts with the collective mission of fostering a decentralized and open financial landscape. The team works with prominent DeFi protocols such as , , and to push the boundaries of innovation in the DeFi space. DeFi Wonderland Optimism Reflexer Connext PRICE ORACLE is a permissionless oracle solution built on Uniswap V3 to provide reliable price quotes on any existing token. The project reduces complexity for users and protocols and removes the trust issues associated with liquidity providers. Price aims to address the oracle problem by leveraging Uniswap’s decentralization and sustainability while using automation to ensure reliability. Price Oracle CARDINALITY ARRAY Cardinality arrays are data structures used by price oracles to represent and process multiple price data points from various sources. They enable oracles to efficiently collect and process data, simplify the calculation of Time-Weighted Average Prices (TWAP), and help in the application of statistical analysis on the price history. To use cardinality arrays, oracles collect data with each element representing a single price data point e.g., the price of an asset at a specific timestamp. Next, the arrays store the data efficiently and the price oracles can now process them into accurate information for smart contracts and dapps. Additionally, cardinality arrays may be synchronized to prevent data inconsistencies. TWAP (Time-Weighted Average Price) QUERYING TWAP is the average price of an asset over a specific period, which is adopted by DeFi protocols to avoid price manipulation. TWAP querying refers to the process which provides the TWAP price through average price calculations using data from an oracle or data source. The first step in TWAP querying is to select the time interval over which the average price will be calculated and then collect price data for the asset at regular intervals during that period. After this, the oracle calculates the weighted average price and performs data validation to check for outliers, data inconsistencies, and potential manipulation attempts. Finally, the Time-Weighted Average Price is obtained as output. SPOT PRICE Spot price represents the immediate value of an asset in the market without accounting for any future changes. In DeFi where prices are volatile and prone to manipulation, oracles avoid returning the current spot price. Instead, oracles use price-averaging methods like Time-Weighted Average Price (TWAP), Volume-Weighted Average Price (VWAP), Simple Moving Average (SMA), and many others to provide stable and manipulation-resistant reference prices. More information about TWAP and VWAP algorithms can be found in by Chainlink. this article Learn more about DeFi Wonderland here: Wonderland Website Wonderland GitHub Wonderland Twitter 0xGorilla Twitter Price Oracle Documentation The Blockchain Oracle Summit is the world’s only technical summit that dives deep into the use cases, limitations, and impacts of oracles on the wider blockchain ecosystem. Leading speakers worldwide gathered in Paris to share their work and experience building and using oracle solutions. Article by . Michael Abiodun Also appears . here

Case Study: How To Achieve A Good On-Chain Solution For Price Feeds Post Merge

কেস স্টাডি: একত্রিত হওয়ার পরে মূল্য ফিডের জন্য একটি ভাল অন-চেইন সমাধান কীভাবে অর্জন করা যায়

Fallstudie: So erreichen Sie eine gute On-Chain-Lösung für Preis-Feeds nach der Zusammenführung

Estudio de caso: Cómo lograr una buena solución en cadena para los feeds de precios después de la fusión

Étude de cas : Comment obtenir une bonne solution en chaîne pour les flux de prix après la fusion

केस स्टडी: मर्ज के बाद मूल्य फ़ीड के लिए एक अच्छा ऑन-चेन समाधान कैसे प्राप्त करें

ケーススタディ: マージ後の価格フィードに対して優れたオンチェーン ソリューションを実現する方法

사례 연구: 병합 후 가격 피드에 대한 우수한 온체인 솔루션을 달성하는 방법

Estudo de caso: como conseguir uma boa solução on-chain para feeds de preços pós-mesclagem

Практический пример: как создать хорошее внутрисетевое решение для ценовых потоков после слияния

Örnek Olay: Birleşme Sonrası Fiyat Akışları İçin İyi Bir Zincir İçi Çözüm Nasıl Elde Edilir?

Nghiên cứu điển hình: Cách đạt được giải pháp tốt trên chuỗi cho nguồn cấp dữ liệu giá sau khi hợp nhất

案例研究：如何为合并后的价格反馈实现良好的链上解决方案

Process mining isn't a novel concept. Since its emergence in 2011, process mining has been undergoing continuous improvement as leading providers like and consistently refine and expand their suite of tools. Celonis UiPath The process mining market is expected to reach , so understanding both the direct and hidden benefits of the methodology is crucial for enterprises aiming for a competitive edge. Therefore, it makes sense to break down the value and purpose of this technology, while outlining the key steps for achieving the most rewarding results. by 2028 $12.1 billion The definition of process mining Process mining involves extracting and utilizing data to explore and improve enterprise workflows. The reason why it is important is directly connected to the process most common reason for failed digital transformations— , as noted by Organizations resist change when they can’t see the entire journey clearly and thus fail to align with leaders' thoughts. lack of vision and direction Deloitte. Business leaders may not provide specifics, resulting in unclear transformation goals, undefined timeframes, and a lack of transparency for employee motivation within updated workflows. Low visibility arises from the abundance of enterprise data and processes requiring detailed sorting and examination. However, manual handling is time-consuming, error-prone, and leads to blind spots rather than insights. Due to this, process mining becomes a game-changer by collecting log event data, transforming it into a graph that visualizes a specific enterprise process and its cycle. By using process mining technology, executives and decision-makers can and gain insights on potential areas of improvement. view process performance in different scenarios Process mining value Process mining offers new opportunities across the enterprise and brings efficiency to various departments Marketing and sales productivity boost Process mining allows breaking down sales processes, identifying weak points. It also delivers insights into lead and client interactions. Monitors sales process: visualizing processes and interactions for KPI tracking. Designs agile sales process: defining success criteria for a flexible process. Increases conversion rates: identifying and addresses stages limiting conversion. Optimizes customer experience: defining activities impacting customer choices. Improves marketing strategies: evaluating lead responses to marketing campaigns. Compliance and auditing facilitation According to an EY survey, process mining can optimize control-related activities, including auditing and regulatory compliance, in about of cases with: 19% Accelerated issue discovery: uncovering the reasons causing operational issues through detailed workflow visualization. Transparent financial reporting: analyzing event logs for financial transactions. Improved financial control testing: identifying control problems and non-compliance issues for consistent auditing instead of periodic assessments. Cost reduction: reducing manual tasks and optimizing employee time management. How to get max value from process mining Over 12 years, process mining has evolved from a concept to a core technology embraced by vendors like Celonis and UiPath. As new approaches emerge, the landscape of implementing process mining technology Despite this, executives and decision-makers should focus on the following essentials. will see changes. Form a team Process mining was once a collective effort, involving data gathering and employee surveys for . Now, it focuses on engaged personas instead of employees. actionable visualizations Executive: sets process mining project goals and secures funding and resources. Process owner: is responsible for end-to-end process execution and productivity, defining desired processes, and monitoring. Project manager: handles all aspects of the process mining task, selects technology, manages team communication, and reports progress. Business analyst: analyzes process mining data, identifies opportunities and risks, proposes solutions, and monitors process changes. Data engineer: extracts, transforms, and merges log event data for creating process graphs. BI engineer: connects data with users, ensures a smooth user experience, and facilitates data visualization for process graphs. Infrastructure engineer: ensures proper integration of the process mining solution within the enterprise structure, considering security and compliance. Check data system health For any data-driven process to succeed, having relevant, validated, and healthy data is essential. To ensure fruitful process mining outcomes, executives and project managers must verify the availability of necessary event data and sufficient data history. Identify the need A successful process transformation begins by recognizing a clear need. To avoid blind spots, business leaders should thoroughly investigate the issue prompting the idea for process automation, considering various levels. The depth of research directly impacts the final results and process mining goals. Establish KPIs After understanding enterprise needs, executives and stakeholders move on to the crucial step of defining primary key performance indicators. It involves specifying data sources for insights extraction, considering data dimensions (region, supplier, etc.), and estimating costs and expected outcomes. Develop process maps For successful transformation, creating detailed and multilayered process maps is essential. These maps visually represent the process, facilitating conformance checks to find deviations, process violations, and bottlenecks. Act on insights Contrary to the belief that process mining is only for insight-gathering, it can also contribute to immediate improvements. After identifying opportunities , it's beneficial to address issues promptly instead of postponing for later stages or automation. through process graphs and checks For example, process owners and analysts can streamline processes before implementing intelligent automation, ensuring a smoother transformation. Addressing issues upfront enhances the success of subsequent automation efforts. How to secure consistent growth Intelligent automation is a continuous process that constantly demands insights and awareness of enterprise operations. To improve process mining productivity, there are several important guidelines for business leaders to follow. Decision-makers should regularly update their knowledge of process mining and intelligence trends, connecting with peers and consulting digital partners for valuable insights. Stay updated on trends. Promoting innovation understanding among employees reduces resistance to change. Leaders should consistently assess employees' perceptions of transformation, ensuring friction-free initiatives with clear, trackable results. Foster innovation culture. Maintaining data health by preventing bottlenecks and silos. Investing in advanced data validation methods, and constantly updating and improving security measures for smooth integration across systems. Prioritize data hygiene.

How to Achieve Optimal ROI Through Process Mining

A couple of days ago, I wanted to invest a certain amount into a basket of stocks. But, I encountered a dilemma on how much to invest in individual stocks. I aim to maintain a target allocation ratio for each stock to have a balanced portfolio. Consider the example that you have a portfolio of 3 stocks viz. INFOSYS, TCS and WIPRO. Your current investment in each of these stocks is ₹30, ₹50, and ₹20 respectively (currency is not important here as long as all stocks are in the same currency). Let’s say our Target Allocation ratio (TAR) for each of these stocks is 33%, 33%, and 34% respectively as shown in the following table. Instrument Current Investment Current TAR Target TAR INFOSYS ₹30 30% 33% TCS ₹50 50% 33% WIPRO ₹20 20% 34% Total ₹100 Now, what’s the optimal choice if you want to invest a total of ₹30 to get closer to your TAR for each of these stocks? I googled for some tools but couldn't find any that could help my case. So, I sat in to derive an equation that could provide me with an optimal allocation. Mathematics You have a portfolio of financial instruments: n and your current investments in each financial instrument is: This means that your current investment allocation ratio (between and ) is: 0 1 Now, suppose you want to invest an additional amount of split between these financial instruments. You want to achieve a target allocation ratio of the following for each of these instruments. SN n This implies that: And, our objective is to find out these i.e. how much investment to make in each of the financial instruments. N_i n To solve this problem, we have converted it into an optimization problem. If we assume some initial allocation for each instrument, we calculate the Mean Squared Error between the objective allocation ratio and the actual allocation ratio. Then, we can simply use any (bounded and constrained) optimizing tool to solve the problem. MSE So, Now, we can simply minimize this function to find all N_i Assumptions No selling. The whole point of writing this code is that we don't want to sell any existing instruments to achieve the target allocation. We assume that we would want to invest the full amount of i.e. if you input ₹100 as a new investment to be allocated, the model would allocate the full amount between the financial instruments. new_investment We don't solve the above problem rigorously. The correct way would be to create equations for variables and solve them using an equation solver. However, if that were easy, we wouldn't have invented Machine Learning. So, we instead solve the problem by minimizing the between target and actual allocation ratio using a minimizer function (similar to how Gradient Descent would minimize the error function in Machine Learning). n n MSE Implementation I have converted the above problem into a simple GitHub project. You can find the same . The file details how to use the same. Essentially, I used to minimize the function above. here README scipy.optimizers.minimize MSE To showcase the same, you can edit the file to try out the example that we took in the beginning. src/views/file.py # list all financial instruments
FINANCIAL_INSTRUMENT_NAMES: list[str] = ["INFOSYS", "TCS", "WIPRO"]

# Mention initial investment in each instrument in your currency (all should be in same units)
FINANCIAL_INSTRUMENTS_INITIAL_INVESTMENT: list[float] = [30, 50, 20]

# Mention new investment to be made in same unit as initial investment
NEW_INVESTMENT: float = 30

# Mention TAR for each instrument that you want to achieve
FINANCIAL_INSTRUMENTS_TARGET_INVESTMENT_RATIO: list[float] = [0.33, 0.33, 0.34] Once you have edited the above values in , you can run the code by running the command . It would yield something like the following: src/views/file.py python -m src.views.file Optimizing the MSE to compute optimal allocation. Sit tight!
Final allocation of investment of unit 30 is as follows:
Instrument      Initial Investment %    Target Investment %    Suggested Investment    Final %
------------  ----------------------  ---------------------  ----------------------  ---------
INFOSYS                           30                     33                      10    30.7692
TCS                               50                     33                      10    46.1538
WIPRO                             20                     34                      10    23.0769
Please manually verify the results as Mathematics can only aid you but can't absolve you! As we can see, the model recommended allocation of ₹10 for each instrument. Note that with the given investment amount, it might not be possible to achieve exact TAR but the model would help to move towards it. In the above case, has moved from to . has come down from to and has moved from to . INFOSYS 30% 30.7% TCS 50% 46% WIPRO 20% 23% Feel free to try out different values and let me know if you have any comments. Lead Image generated using Adobe Express

How To Achieve Target Allocation Ratio (TAR) in Your Investment Portfolio

$DEFI Token secures listings on the 7 most popular crypto exchanges, including ByBit, KuCoin, Gate, MEXC, Bitget & Bitmart. Trading will start on January 31st. DUBAI, the United Arab Emirates (UAE), January 30th, 2024/Chainwire/-- De.Fi, the Largest Web3 Super App, excelled with the most prominent public sale in 2023, raising a staggering $17M. Today, the team unveiled the thrilling news to their dedicated community. The highly anticipated $DEFI token is set to make its debut on seven top-tier exchanges, including , , , , , and . The listing event marks a significant milestone for the platform, which is set to redefine the future of DeFi. ByBit KuCoin Gate MEXC Bitget Bitmart DeFi aims to become the first Web3 service to launch a token. Currently, the team is entirely focused on ensuring a successful listing campaign. The dedication to this initiative reflects a commitment to creating a substantial and enduring presence for the $DEFI token in the market. According to the , users should expect the $DEFI listing on crypto exchanges on January 31st, 2024, at 10 AM UTC. official announcement The De.Fi team is backed by a range of leading Venture Capital firms and prominent investors from around the world, including 21Shares, Shima Capital, HOF Capital, and other leading VCs. Prominent partnerships with CoinGecko, zkSync, LayerZero, Trust Wallet, and Hacken show De.Fi's dedication to becoming the ultimate SuperApp that makes Web3 more secure and delivers the best possible user experience. As the buzz and optimism returned to the industry, De.Fi is doubling down on building integrations and partnerships with crypto projects, exchanges, and blockchains. Notably, over 65 crypto projects worldwide have joined forces with De.Fi, leveraging its API for development initiatives. GeckoTerminal, AvaScan, Ankr, HoldStation, Fox Wallet, and many others are already utilizing Antivirus technology to protect their users from crypto scams. Last month De.Fi hit the absolute record of 10,000,000 API calls! Just a couple of weeks ago, De.Fi presented their with an epic prize fund of $100,000. The Quest offers tempting rewards, interesting tasks, and an immersive dive into the realm of gamification. This is something airdrop hunters have been anticipating for a long time. But only the most consistent participants will be rewarded. Quest 2 According to the renewed roadmap, De.Fi has ambitious plans for this year, including the release of several new features: De.Fi Connect, a full-fledged Web3 Social Network for participants in the decentralized finance ecosystem De.Fi L2 Chain to scale and connect their Ecosystem De.Fi-Gpt, is a novel personal finance copilot that will help users make smarter crypto investment decisions. Additionally, after achieving a milestone of over 5 million users in 2023 with the launch of De.Fi 2.0, the team is poised to double this figure as part of their strategic growth plan. About De.Fi De.Fi is a Web 3 Super App because it offers a number of unique and valuable features. This all-in-one platform serves as a portfolio manager dashboard, facilitating tracking of crypto and DeFi positions across a large selection of chains, including non-EVM. Navigate through the Explore Yields feature to find the best DeFi opportunities effortlessly. The Crypto Antivirus, an innovative security system embedded in the dashboard, diligently alerts users to risky tokens and smart contracts. De.Fi SocialFi is gamifying the onboarding process of users into Web3, allowing them to create profiles, amass followers, build communities, earn points, and unlock rewards. Contact PR Manager Maria Lyshchuk De.Fi marketing@de.fi This story was distributed as a release by Chainwire under HackerNoon’s Business Blogging Program. Learn more about the program here.

$DEFI Token Hits 7 Major Exchanges: A Milestone Achievement

Bitcoin now has more than 250 million users at the last estimate. The reason I'm talking about estimates here is that Bitcoin is a pseudonymous network that gives users the ability to have multiple addresses on the network. We can, therefore, have precise on-chain data on the addresses active on the network, but we can only estimate the number of users behind these addresses. Having said that, it is important to bear in mind that while has 250 million users at the moment, only a tiny minority understand the why of Bitcoin. For a majority of investors in the Bitcoin world, Bitcoin is nothing more than an asset with a high potential return on investment. Bitcoin One of many, but mostly the one to own right now. For the few who understand the why of Bitcoin, Bitcoin is much more than that. Bitcoin is a once-in-a-lifetime chance to regain control of your money's future. Bitcoin gives you the freedom . to live your life on your own terms So, it is said that Bitcoin gives you self-sovereignty. However, this self-sovereignty is not instantaneous with Bitcoin. Just because you buy Bitcoin does not mean that you automatically take control over the fruits of your labor and, thus, ultimately, power over your life. To reach this stage of self-sovereignty, you will have to go through four levels in my opinion. You can, of course, go straight to the higher level 4, but generally, it is done progressively, step by step. As you understand why Bitcoin is there and how it works, you move towards that self-sovereignty. Level 1 - Buy Bitcoin The first step to self-sovereignty is obviously to buy Bitcoin. Many people only study Bitcoin or the economy but never take action. Taking action is the key to changing your life for the better. It's not about how much BTC you buy; it's about taking action. Start with the amount you feel most comfortable with, but don't stop there. Keep studying Bitcoin to understand how Bitcoin works and why Bitcoin exists. There is nothing worse than people who buy Bitcoin just to get rich and then never make the effort to understand the deeper meaning of its revolution. Bitcoin has the power to change your life for the better, but to do so, you will need to make the necessary intellectual effort that will give you the confidence to fully embrace its revolution. Level 2 - HODL Bitcoin Once you have acquired sufficient knowledge about Bitcoin, you will have confidence in its revolution. You will understand that Bitcoin is an accumulation game for years to come. Your interest is, therefore, to become a Bitcoin HODLer no matter what. By becoming a Bitcoin HODLer, you will stop worrying about the volatility of the Bitcoin price. This only affects traders. Bitcoin HODLers stay cool no matter what because they know that Bitcoin's goals are long-term. Bitcoin is an incredible monetary revolution. Its revolution will take time. Confidence in Bitcoin allows you to be patient. This is a good thing because Bitcoin always rewards patience. Level 3 - Own your private keys You probably already know the most famous slogan of Bitcoin: “ ”. This slogan is not misleading since Bitcoin allows you to verify everything yourself at any time. Don't Trust, Verify However, there is another slogan that is less well known to the general public that you will have to learn to reach this level 3 in the path of self-sovereignty: “Not your Keys, Not your Bitcoin.” You only own the Bitcoin whose associated private keys you have in your possession. When you buy BTC on a trading platform and leave that Bitcoin on the platform, you do not own that Bitcoin. The platform can potentially decide at any time to ban your account and confiscate your BTC. You fall into the same trap as with the current monetary and financial system in which banks can confiscate your assets at any time for arbitrary reasons. Your interest will, therefore, consist in transferring this BTC to cold storage. You will then take full control over your Bitcoin wealth. It's a daunting prospect for some, but you shouldn't be afraid to do this. It's much easier than some people would have you believe, and more importantly, it's the only way you can truly take responsibility for the security of the fruits of your labor. Level 4 - Run your Bitcoin Full Node After reaching level 3, which is already remarkable, many people stop there. This is a mistake, in my opinion. You have to go even further and become your own bank! . To become your own bank, you need to run a full node on the Bitcoin network By doing this, you will do even better, as you will become a full-fledged bank that relays transactions from the network. Some people say that there is no point for individuals to run a full node on the Bitcoin network. These people are wrong. By reaching level 4, you will be free to take full advantage of the trustlessness of Bitcoin. You won't have to believe the truth of others, but you can build your truth that is reinforced by the fact that it matches the truth of other nodes on the network. Solutions exist to run a full node on the Bitcoin network, and this is something that will allow you to reach the ultimate stage of self-sovereignty. This is what every Bitcoiner should strive for. Final Thoughts Bitcoin is much more than a financial investment with high potential returns. Bitcoin is an alternative system that will allow you to change your life for the better. To do this, you must fully embrace the Bitcoin revolution by taking the path of self-sovereignty. This path consists of 4 major levels. Your interest is to reach level 4 which will consist of buying Bitcoin, HODL Bitcoin no matter what while owning your private keys, and finally running a full node on the network. Then, the power will be in your possession. You will be able to live your life on your own terms. You'll have achieved self-sovereignty. Also published . here

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