Martin Luther Obahor

PUBLIC KEY CRYPTOGRAPHY USING ECDSA Hello LinkedIn fam, in the latest phase of my web3 learning, I delved into public key cryptography and created a one page application that simulates transactions made by wallets on the blockchain. How does this work? 1. On generating a wallet, an address, a public key and a private key is generated 2. This private key is stored in the local storage so it is available ONLY to the client node 3. On sending a transaction, the transaction is signed with a hash of the private key 4. This hash can be verified by the decentralized server and compared with the public key to verify that the sender is indeed the owner of the wallet NOTE that in this entire process, the private key is never publicly available to the server or any third party. This is a snippet of what happens on the blockchain everytime a wallet transaction is made #blockchain #web3 #dapps

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Where do I even begin? It’s funny how life twists and turns in the most unexpected ways. You see, I had registered for Altschool Africa before, but I joined the engineering class. Just as I was about to dive deep into JavaScript, it all came crashing down. Let’s fast forward a bit… Hello everyone, I’m Precious Davies, currently enrolled in the product design track at Altschool Africa, under a scholarship with Flutterwave. Before I initially registered for Altschool, I was always fascinated by problem-solving and started taking courses around product. My first attempt saw me certified as a Scrum Master, also i got a brief overview of product design. Recently, I wrote a post on Medium about imposter syndrome and its threat to success. Everyone experiences this to some extent, but mine was overwhelming. I overthought everything about joining Altschool, from funding to time management and motivation. Despite my fears, I registered, passed the initial test, applied for the Flutterwave scholarship, and got picked. This scholarship was the motivation I needed to continue. First semester came and I aced it. Second semester arrived and I barely got through it. Fear and imposter syndrome crept in, compounded by the pressures of work, running my personal business as a shopper and jewelry seller, and managing my private life. I secluded myself, thriving more in my own space. People around me began to mock me, asking, “Tech girl, what are you always typing on your laptop? We can’t see any money.” Some even doubted I was really into tech because “tech people have money.” Honestly, people can be so thoughtless with their words. Now, third semester is here, and I finally feel I can make it as a product designer. Altschool has introduced me to amazing people who inspire me to keep pushing. Attending classes has been challenging, especially since I’m often in transit during class times. But having friends who are genuinely invested in your growth is incredibly rare, and I’m grateful for finding them in Altschool. Currently in my team, we’re working on our capstone project, upgrading a current product of Flutterwave. I’m very excited about this project because it’s a fantastic problem solver. It’s been a roller coaster of emotions, juggling deadlines, but my team supports each other, and for that, I’m thankful. I can’t wait to finish and graduate as a product designer. This third semester, my goal is to secure an internship before graduation, and I’m hopeful it will become a reality. Thank you, AltSchool Africa. cc Adewale Yusuf Jerry Uke Micah Timileyin Tabitha Wanjiku Thank you, Flutterwave cc Olugbenga Agboola. Thank you to my team, Altwave A Jewel Uguru .Faruq Kuku Thank you to all my Altschool friends Afe O. Daniel Peter Chijioke Imoleoluwatomiwa Adeleke Ernest Kehinde Miracle Toluwanimi Segun Isaac Anubi See you all at the top! “Success is not final, failure is not fatal: It is the courage to continue that counts.” — Winston Churchill

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𝗧𝗵𝗶𝘀 𝘆𝗲𝗮𝗿 𝗜 𝘀𝗲𝘁 𝗺𝘆𝘀𝗲𝗹𝗳 𝘂𝗽 𝗳𝗼𝗿 𝗮 𝗰𝗵𝗮𝗹𝗹𝗲𝗻𝗴𝗲 𝗮𝗻𝗱 𝗜 𝘀𝘂𝗰𝗰𝗲𝗲𝗱𝗲𝗱 𝘁𝗼 𝗺𝘆 𝘀𝗵𝗼𝗰𝗸. Don't get me wrong, I did not set myself up for failure but the challenge was beyond my imagination. An opportunity in Tech came my way end of last year and I jumped ship not knowing what I was getting into. Started of as a FrontEnd Developer and along the way came across UI/UX Design. Here are a few things I have learnt about this path: 📌 Perseverance is a skill you must have to succeed. When I started my career in UI/UX design, I quickly learned that it was not going to be easy. You think there is no code so it's simple till you realize how much thought is put in designing digital products. I would sleep on the same day and wake up on the same day as I found myself staying up late, learning new skills and tools each day. It has been a constant race to keep up with the latest trends, techniques and technologies. 📌 Tools and trend keep on evolving One thing you ought to know is that UI/UX design is not for the faint-hearted. It’s not about mastering one tool and being done. You have just mastered Figma then you find out there are other Prototyping tools like Penpot and Whimsical and the cycle begins. It requires relentless learning and adapting to new challenges. 📌 Patience is a Virtue if you want to start seeing the results you want. To be a great designer To create innovative and user-friendly designs To be the most sought-after designer You need to embrace perseverance And put in the work while you're at it. If you understand these, then you're on your way to success. How do you manage the continuous learning curve in your journey? What are your strategies for staying updated? Share your thoughts in the comments! Seeing me for the first time? My name is Gladys Waireri, a Civil Engineer turned UI/UX Designer. I love design wholeheartedly , all aspects, in the Engineering sense, architectural and artistic sense. Follow connect with me. Need designs that drive engagement? Send me a DM and let's create user-friendly digital solutions together.

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When I began my coding journey, my laptop had just 2GB of RAM and a 120GB hard disk. Later, I upgraded to 4GB RAM and a 320GB HDD. Those days were challenging. With my Ubuntu operating system, every day presented new difficulties. I was constantly fixing Ubuntu errors or addressing laptop issues. I had to resolve numerous problems and reformat my laptop multiple times. It felt like life was determined to test my resolve. I wasn't alone in using such laptops, yet mine seemed to crash consistently. Despite crying, praying, and getting angry, nothing changed. I had no choice but to endure. I didn't quit. Thankfully, Google provided solutions to most problems. Unbeknownst to me, life was preparing me for the future. It was imparting lessons that would be invaluable for teaching others. Life foresaw that I would become an instructor, and those experiences would be crucial. Today, many of my students wonder if I studied debugging as a specialized course. They are curious about how I acquired such extensive knowledge, even beyond coding. They do not realize the hardships I endured to reach this point—the frustration, depression, and disappointment that ultimately shaped me. Now, I use these experiences to assist others facing similar challenges. I can genuinely say: "Thank God for those tough days." I am sharing this because I understand that failure and disappointment are inevitable, especially at the start of any journey. Sometimes, these challenges arise to teach you lessons that will benefit you in the long run. If you avoid them, you might still encounter them later when it might be harder to learn from them. Therefore, embrace them now. Embrace difficult times, as there is much to learn from them. I will conclude with this quote by James Sharp: "It is not every calamity that is a curse, and early adversity is often a blessing. Surmounted difficulty not only teaches, but heartens us in our future struggles." To your success, #decodementor

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One of the high points for me on Day 3 of Tech4Dev #WTF24 career week was reflecting on my career journey. One thing every speaker emphasized is the need for continuous learning. Just when you think you can take a little break after an intensive six months you are reminded that the learning never ends 😁 So here is to continuous learning #wtf24 #tech #tech4dev #careerweek #bingo #Taltrix

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