How are you, hacker? How are you, hacker? 🪐 What’s happening in tech today, December 21, 2025? The
           HackerNoon Newsletter
          brings the HackerNoon 
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          straight to your inbox.
          On this day,
          
            The Mayan Long Count Calendar Ended in 2012,  Gangnam Style Reached One Billion Views in 2012,  The First Ever Basketball Game is Played in 1891, 
          
          and  we present you with these top quality stories. 
          
            From 
        Best AI Automation Platforms for Building Smarter Workflows in 2026
       to 
        Leader or No Leader, That is the Question,
       let’s dive right in. HackerNoon Newsletter homepage On this day, The Mayan Long Count Calendar Ended Gangnam Style Reached One Billion Views The First Ever Basketball Game is Played Best AI Automation Platforms for Building Smarter Workflows in 2026 Best AI Automation Platforms for Building Smarter Workflows in 2026 Leader or No Leader, That is the Question Leader or No Leader, That is the Question Exploiting EIP-7702 Delegation in the Ethernaut Cashback Challenge — A Step-by-Step Writeup Exploiting EIP-7702 Delegation in the Ethernaut Cashback Challenge — A Step-by-Step Writeup By @hacker39947670 [ 18 Min read ] How to exploit EIP-7702 delegation flaws: A deep dive into the Ethernaut Cashback challenge with bytecode hacks and storage attacks Read More. @hacker39947670 Read More. From AI-Supported to AI-First: What We’ve Learned Re-Engineering How We Build Software From AI-Supported to AI-First: What We’ve Learned Re-Engineering How We Build Software By @dataops [ 3 Min read ] AI-first engineering shifts developers from coding to intent-setting, delivering 3× faster releases, better quality, and a new engineering mindset. Read More. @dataops Read More. Best AI Automation Platforms for Building Smarter Workflows in 2026 Best AI Automation Platforms for Building Smarter Workflows in 2026 By @stevebeyatte [ 7 Min read ] From no-code tools to enterprise AI systems, discover the top AI workflow automation platforms to use in 2026, and learn which solution fits your business needs Read More. @stevebeyatte Read More. Leader or No Leader, That is the Question Leader or No Leader, That is the Question By @chris127 [ 9 Min read ] For most of human history, leaders were necessary. We needed them to coordinate, decide, organize and share their vision. But technology is changing this. Read More. @chris127 Read More. Earth Cleaning Technologies: The Current RD Status and Why Were Still Losing the Race Earth Cleaning Technologies: The Current RD Status and Why Were Still Losing the Race By @chris127 [ 7 Min read ] Imagine if you could reverse decades of pollution. Remove tons of CO₂, Clean oceans, restore forests at scale. The good news? We can! The bad news? We don’t! Read More. @chris127 Read More. Before Bitcoin: The Forgotten P2P Dreams that Sparked Crypto Before Bitcoin: The Forgotten P2P Dreams that Sparked Crypto By @obyte [ 5 Min read ] Before crypto, pioneers dreamed of decentralized money and fair sharing. Their wild ideas shaped today’s digital freedom. Go explore how it all began!
 Read More. @obyte Read More. Obscura Brings Bulletproofs++ to the Beldex Mainnet for Sustainable Scaling Obscura Brings Bulletproofs++ to the Beldex Mainnet for Sustainable Scaling By @beldexcoin [ 3 Min read ] The obscura hardfork enabled Bulletproofs++ on the Beldex mainnet at block height 4939549. Learn what this upgrades means for you. Read More. @beldexcoin Read More. Code Review Anti-Patterns: How to Stop Nitpicking Syntax and Start Improving Architecture Code Review Anti-Patterns: How to Stop Nitpicking Syntax and Start Improving Architecture By @nikitakothari [ 5 Min read ] Code reviews are pricey. Let machines catch style issues so humans can focus on what matters: security, scalability, and architecture. Read More. @nikitakothari Read More. 🧑‍💻 What happened in your world this week? It's been said that
          writing can help consolidate technical knowledge,
          establish credibility,
           and contribute to emerging community standards.
          Feeling stuck? We got you covered ⬇️⬇️⬇️ writing can help consolidate technical knowledge establish credibility and contribute to emerging community standards ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME ANSWER THESE GREATEST INTERVIEW QUESTIONS OF ALL TIME We hope you enjoy this worth of free reading material. Feel free to forward this email to a nerdy friend who'll love you for it.See you on Planet Internet! With love, 
 The HackerNoon Team ✌️

The HackerNoon Newsletter: Gos New Experimental Packages: What to Know (12/20/2025)

What's New in the HackerNoon Newsletter?

The HackerNoon Newsletter: Leader or No Leader, That is the Question (12/21/2025)

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