🚀 BUIDL CTC Ideathon Ethiopia

BUIDL CTC Ideathon Ethiopia is an in-person, beginner-friendly ideathon happening ahead of BUIDL CTC 2026. It’s an open space for developers, and Web3-curious builders and students to explore ideas, learn, and prepare to build for a global BUILD CTC 2026 Hackthon (https://buidl.creditcoin.org/)

🗓 Jan 31, 2026
⏰ 1:00 PM – 6:30 PM
📍 BlueSpace Coworking space, Bole
🍽 Snacks and Food
👉Register(Limited Spots): https://luma.com/361816kh

​🌍 Who Should Join

Web2 & Web3 developers, Students, designers, founders and anyone curious about Web3

Join solo or with a team.
No prior Web3 experience. No polished product.

Just show up, pitch your idea🚀
Top 5 Projects will split prize pool of 500$

🧩 Themes

DeFi, RWA, DePIN and Gaming. Early-stage and creative ideas are welcome

🏆 $500 Prize Pool

🥇 $200
🥈 $125
🥉 $100
🏅 $50
🏅 $25

⚠️ Limited capacity — secure your spot early

Polkadot Solidity Bootcamp

2 weeks of hands-on Solidity training focused on real deployment on Polkadot Hub.

• Online recorded sessions
• Labs, homework & guided builds
• Final physical meetup
• Project showcases & giveaways
• A launch pad for the coming solidity hackathon

join us on the telegram group and start with us
@polkadot_et

🔥The "Final Boss" Struggle

Let’s be real for a second... why does one "simple" DSA problem sometimes feel like a final boss fight? 😂

You open a platform, stare at a wall of text, and 2 hours later, your brain feels like mush. We’ve all been there stuck in the "grind" where you’re just memorizing solutions instead of actually getting it.

The struggle is real:

❗️Going on a 3-hour YouTube "side quest" only to end up more lost than when you started. 🌀😵‍💫
❗️Not being able to see what the code is actually doing.
❗️That "burnout" feeling after just two days of practice.

Why do you think this is happening? Is the way we're taught just... broken?

But enough about us, let’s have a "Brain-Melt" check-in.

If you had to describe your brain after a 2-hour DSA session using only 3 emojis, what would they be?

Mine: 🫠 🪵 🔌 (Melted, confused as a log, and unplugged).

Drop yours below! Let’s see who’s currently in 'Infinite Loop' mode. 👇

👥 Join us:
🔗 Telegram
💬 LinkedIn

#CodeFox #CodingStruggles #DSA

📌 CPD Entrance Exam – Practice Guide

The CPD entrance exam is open to 1st, 2nd, and 3rd year students from any department.
All practice problems will be solved on Codeforces.

🔹 1st Year
Denoscription:
Focuses on checking your understanding of basic Python programming and simple problem-solving. You just need to know how to read, understand, and implement code correctly.

Topics: Implementation, brute force, easy sorting, basic sets & dictionaries

Ratings: 800

NB: If you don’t know the topic names, don’t worry—just practice 800-rated problems.

🔹 2nd Year
Similar to 1st year, but with slightly harder problems. You are expected to be more comfortable with logic and basic algorithms.

Topics: All 1st year topics but more harder (edited here)

Ratings: 800 – 900

🔹 3rd Year
Tests stronger problem-solving skills and algorithmic thinking. Questions require better optimization and understanding of common techniques.

Topics: All previous topics (1st year & 2nd year) + two pointers, sliding window, prefix sum, matrix problems

Ratings: 800 – 1200 (max)

❓ Have questions or need clarification?
Feel free to drop them in the chat—we’re happy to help.

📢 More updates, practice sets, and guidance will be shared soon, so stay tuned!

👉 Don’t forget to join the channel:
@csec_astu_community_education
@CSEC_ASTU

🎉Welcome to the Team

Congratulations to the students selected for the CSEC ASTU Blockchain & Web3 Developers Task Force.

You’ve been chosen to build real-world blockchain solutions, explore cutting-edge Web3 technologies, and lead the blockchain movement on campus.

This is more than a selection it’s a responsibility.

🔥The journey starts now. Let’s build the future together.

here is students list who selected 🔗Link

👥 Join us:
🔗 LinkedIn
💬 Telegram
▶️ YouTube

#CSECASTU #Blockchain #Web3 #TechLeaders #BuildInPublic

🔥 Hackathon Winners Announced!

A 35-hour AI hackathon featuring a seminar by Anwar Misbah and hands-on projects with LLMs, RAG, real-time apps, and LangGraph.

Projects were evaluated based on functionality, accuracy, and user experience and the creativity was impressive!

🎉 Congratulations to our champions!

🥇 Divas Team
🔗 Demo: Link
Members: Temkin Abdulmelik, Fetiya Yusuf, Siham Kasim Tsion, Birhanu, Lelo Mohamed

🥈 Apex Team
🔗 Demo: Link
Members: HaileGebriel Bekalu, Jaleta Kebede, Natnael Esayas, Gelila Muluget, Gelila Tadesse

🥉 Magi Team
🔗 Demo: Link
Members: Biruk Tadele, Amanuel Merera, Bereket Aschalew, Remedan Jemal

👏 Huge thanks to all participants and mentors for the energy, creativity, and guidance that made this hackathon truly impactful!

- Development Division

👥 Join us:
🔗 LinkedIn
💬 Telegram
▶️ YouTube

#HackathonWinners #AgenticAI #InnovationInAction #CSEC_ASTU #RAG #Dev

📢 Applications Now Open

CSEC ASTU Development Division is opening its doors to new members!

If you’re a 2nd or 3rd year student who loves technology and wants hands-on experience building real solutions, this is for you.

🗣 Interview Process:
Qualified applicants will have a short interview to discuss their skills, interests, and motivation.

⚠️ Limited slots available; applications close once all spots are filled.

👉 Apply here: Link

Ideas matter, but building them together is what creates impact.

- Development Division

👥 Join us:
🔗 LinkedIn
💬 Telegram
▶️ YouTube

#CSEC_ASTU #Application #DevDivision #TechCommunity #BuildTogether #SoftwareDevelopment #FutureDevelopers

🔥Sunday Tech Talk

🏨 The "Hotel Key" Hack (IDOR)

Imagine you check into a hotel and get a room key. You look at your key and see it’s for Room 101.

As you walk down the hallway, you start wondering: "Wait... if I’m 101, what happens if I just walk up to Room 102 and try my key?" In a bad hotel, the lock doesn't care who you are; it only cares that you have a key.

Hackers do this with Web Addresses:

You log into your bank and see your profile at: bank[.]com/user/500

You get curious and change the number in the address bar to: bank[.]com/user/501

Suddenly, you’re looking at Abebe’s bank account balance. 😲

The hacker didn't "break" the door down; they just asked for a different room and the computer was too polite to say, "Hey, you aren't allowed in there!"

🔓Good security doesn't just check if you have a key (Authentication); it checks if that specific door belongs to YOU (Authorization).

👥 Join us:
🔗 LinkedIn
💬 Telegram / Cyber
▶️ YouTube

- Cyber Security Division

#CyberSecurity #IDOR #CSEC_ASTU

📢 Applications Now Open

CSEC ASTU’s Competitive Programming Division (CPD) is now accepting new members.

Eligibility:

This application is open to 1st, 2nd, and 3rd year students only.

The selection process will take place in the following stages:

1. Registration

📝 Apply here 👉 LINK
⏳ Deadline: Tuesday February 10, 2026.

2. Practice Phase

After registration closes, a Google Sheet containing practice problems will be shared via email.
Only active participants who solve a significant number of problems will be eligible for the official contest.

3. Final Selection

⚠️Participants will be given a limited time to solve the problems from the Google Sheet. Eligible students will then be shortlisted and informed of the date and time of the official contest.

For more information join - @CSEC_ASTU_Community_Education

Good Luck!
— Competitive Programming Division (CPD)

👥 Join us:
🔗 LinkedIn
💬 Telegram / Community
▶️ YouTube

#CSEC_ASTU #CompetitiveProgramming #ProblemSolving #DSA

‼️ Notice to CPD Applicants ‼️

We sincerely apologize for closing the previous Google Form.

The form was temporarily closed to update it and ensure that only students who are genuinely committed to competitive programming apply to the CPD.

This update also allows students interested in other divisions to apply to those instead.

Please note that switching divisions after selection will not be allowed.

✅ You may attend sessions from other divisions
❌ Switching divisions after joining is not allowed

If your main interest is Development, Cybersecurity, or Data Science, please wait for their application forms.

⚠️ Important:

Even if you submitted the previous form, you must apply again. Old responses will not be considered.

🔗 Updated Form:

👉 LINK

We apologize for any inconvenience and appreciate your understanding.

— Competitive Programming Division (CPD)

🔥 Sunday Tech Talk

The Telegram Engineering Paradox

Did you know Telegram, one of the biggest messaging apps in the world 🌍, is maintained by around 20 developers?

Yep an app used by hundreds of millions (now billions) of users, run by a tiny core team.
One big reason often mentioned: how they think?

Many of those engineers come from competitive programming backgrounds. CP trains you to care about:

• Speed (time complexity)
• Memory (space efficiency)
• Scalability & reliability
• Solving hard problems under pressure

CP isn’t everything, but it builds foundations that show their power when traffic explodes.

That’s why many seniors say:
Data Structures & Algorithms are a long-term investment, not just interview prep.

CP doesn’t replace development, it strengthens it. 💪

— Competitive Programming Division (CPD)

👥 Join us:
🔗 LinkedIn
💬 Telegram / Community
▶️ YouTube

#CSEC_ASTU #SundayTechTalk #CompetitiveProgramming #ProblemSolving #DSA

Hey everyone,

⏳ Only 1 day remaining until registration closes!

If you haven’t registered yet, please make sure to submit your application early.

🔥 Welcome to the 2nd Semester at CSEC-ASTU!

As we begin the 2nd semester, we are excited to invite all members to an important semester kick-off event combined with our official election program. This event marks a new phase for our community, filled with opportunities, responsibilities, and leadership.

Event Details:
🔒 Members only
📅 Date: Monday - Feb 16, 2025
🕒 Time: 01:00 LT
📍 Location: Lab 2

This is a crucial moment for every member to participate, contribute, and shape the future of CSEC-ASTU. Your presence matters!

⚠️ MANDATORY FOR ALL MEMBERS

Let’s start the 2nd semester with unity, leadership, and purpose! 🚀

👥 Join us:
🔗 LinkedIn
💬 Telegram
▶️ YouTube

#CSECASTU #2ndSemester #Election #Leadership #Community

🔥Sunday Tech Talk

Clean Data = Powerful AI Models

In AI and machine learning, data quality is everything. Messy data leads to flawed models no matter how sophisticated your algorithms are.

When training a model on user data, but it contains duplicate entries, missing fields, inconsistent labels ("cat", "Cat", "CAT", "kitty"), and incorrect labels (dogs labeled as "car"). Your model is learning chaos leading to bias, poor accuracy, and unreliable predictions.

The Data Cleaning Process
• Remove duplicates
• Standardize formats and labels
• Handle missing values
• Fix or remove errors and preserve the original dataset.

After proper cleaning you'll see better performance, stable training, reliable evaluation, and safer deployment.

What's your experience with data quality in AI projects? Drop your thoughts below.
— Data Science Division

👥 Join us:
🔗 LinkedIn
💬 Telegram
▶️ YouTube

#CSEC_ASTU #SundayTechTalk #CleanData

We are about to begin in 10 minutes. arrive on time as we do not tolerate latecomers.

🎉 Welcome to Development Division

After a careful and thorough evaluation process, we are excited to officially announce the newly selected members of the Development Division.

👏 Congratulations to our new members!
Check the official list here: Link

Event Details:
🗓 Date: Feb 18, 2026
⏰ Time: 10:00 LT
📍 Location: B-508 R-10

⚠️ Attendance is mandatory, all selected members are required to be present. Former members encouraged to attend and support.

Great things are built one line of code at a time.

— Development Division

👥 Join us:
🔗 LinkedIn
💬 Telegram
▶️ YouTube

#CSEC_ASTU #DevelopmentDivision #NewMembers #Welcome