OneBlock+

🎉 Big moment — the results are in! The winners of the [Deploy on Revive, Scale on Polkadot 2.0] Polkadot Mini Hackathon are officially here 👇 A huge thank you to every builder who participated! You’ve brought so many creative and technically impressive projects to the @Polkadot 2.0 ecosystem! Congrats to all the winners, and shoutout to everyone who joined. This hackathon wouldn’t have been this exciting without your ideas and energy 🙌 🥇 1st Place @jonaQin | @Likeben233 | @yangyan25467106 🥈 2nd Place @LifeClippy 🥉 3rd Place @JMiaozi 💻 Best Developer @youwei04806470 | @99xMeme | @ranass_official | @bolajahmad_ 🛠️ Most Dedicated Developer @Chocolly985 | @HaydenChan | RoccoonHacker 📩 Prizes will be distributed by our assistant Emma (WeChat: oneblockEmma). Stay tuned! #Web3 #Polkadot #Hackathon

🧵 Polkadot April 2026 Recap 💰 New economic model (live since Mar 14) in full effect: • Annual DOT issuance cut by 53.6% at launch • Max supply capped at 2.1B DOT • ~13–14% step reductions every 2 years 🌍 Ecosystem milestones - @Acurast hit 750M on-chain txs via 250K+ devices across 175+ countries. - @web3summit returns June 18–19 in Berlin. - @Polkadot Docs MCP is live: your interactive Polkadot expert for XCM, OpenGov, Asset Hub & more. - @NovaWalletApp keeps UX simple & intuitive, making staking, governance & multi-chain easy. #Polkadot $DOT #Web3 Read more ⬇️

📌 Complete your homework beforehand and bring specific questions! ⬇️ Homework Links 👉 Multiple Choice: wj.qq.com/s2/26518939/jn… 👉 Practical Exercises: github.com/papermoonio/20…

📢 Build Your First DApp on @Polkadot｜Office Hour 6 is here! 🗓 May 7 (Today) at 20:00 UTC+8 👨‍🏫 Instructor: Zhou Jun | TA: Jack 🎯 What you’ll get: ✅ Full course recap ✅ Analysis of common homework issues ✅ Additional key concepts ✅ Live Q&A 💻 Join the live session (Tencent Meeting): meeting.tencent.com/dm/Pl5rDYuI9nQz Don’t miss it! 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3

👏 Bulletin Chain by @Polkadot: a practical, low-cost decentralized storage solution for everyday Web3 apps! ✅ On-chain data with flexible lifespans (~2 weeks by default) ✅ Guaranteed availability of IPFS-compatible data ✅ No pinning, simplified access, recoverable archives ✅ Enables chats, feeds & file sharing fully on-chain Reliable, recoverable, and built for scale. This is how we build the next generation of social feeds and dApps.👇 #Web3 #Polkadot #BulletinChain

🌖 How does a Web3 builder take a decentralized break for May Day? 🚒 On this special day, we give new meaning to hard work. 🔍 Together, we’ll continue exploring innovative project opportunities in the @Polkadot ecosystem. 💎 Wishing every Web3 builder a joyful holiday! #Polkadot #Web3

🎉 Lesson 6: Cross-VM Execution & DeFi Practice is now live! Dive in and start learning now 👀 👨‍🏫 Instructor: Jun Zhou | @PaperMoonIO DevRel 🎡 Course Outline: 1️⃣ Principles of EVM ↔ PVM Interoperability 2️⃣ Core Mechanics of Uniswap 3️⃣ Deploying & Testing Uniswap V2 Code 4️⃣ Examples of EVM ↔ PVM Cross-Calls 5️⃣ Rust Native Implementation of Fibonacci: A Performance Boost 6️⃣ Top 10 Core Advantages of Polkadot Hub 🚩 Course Playlist: youtube.com/playlist?list=… ✏️ Lesson 6 Assignments: 1️⃣ Multiple Choice: wj.qq.com/s2/26518939/jn… 2️⃣ Practical Task: github.com/papermoonio/20… 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3

🚀 Office Hour 5 kicks off tomorrow! Build your first full PVM DApp on @Polkadot from 0 to 1. ⏰ Time: April 30 (Thu), 8:00 PM 👨‍🏫 Instructor: Zhou Jun｜TA: Jack 📌 What you’ll get: ✅ Full walkthrough of Lesson 5 ✅ Step-by-step assignment breakdown ✅ Key concept deep dive ✅ Live Q&A to clear all your questions 💡 Finish the assignment in advance and come with questions: wj.qq.com/s2/26449101/35… 👉 Join the session: meeting.tencent.com/dm/Pl5rDYuI9nQz See you tomorrow at 8 PM! 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3

🎉 Lesson 5 is live: Build a Full DApp from Scratch (PVM) ‼️ 👨‍🏫 Instructor: Zhou Jun | DevRel @PaperMoonIO 🎡 What you’ll learn: 1⃣️ End-to-end DApp build: on-chain data storage & updates 2⃣️ wagmi basics: connect wallets & query balances 3⃣️ EVM vs PVM: Fibonacci efficiency comparison 4⃣️ EVM vs PVM: real performance benchmarks 🚩 Course playlist: youtube.com/playlist?list=… ✏️ Lesson 5 Task: wj.qq.com/s2/26449101/35… 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3 #EVM

🚩 Course playlist: youtube.com/playlist?list=… ✏️ Lesson 4 – Task 4: 1⃣️Quiz: wj.qq.com/s2/26359758/hz… 2⃣️Practical: github.com/papermoonio/20…

📢 Build Your First DApp on Polkadot | Office Hour 4 is here‼️ Stuck on Homework 4? Code not running? No worries — join us tonight at 8 PM as instructor Zhou Jun and TA Quantx walk you through it step by step. 🎯 Focus this session: Hands-on Q&A for multi-language clients (wagmi + web3.py) 🪝 Key concept recap 🪝 Homework deep dive 🪝 Open Q&A ✅ Finish your assignment in advance and bring your questions! 🔴 Join Live session (set a reminder): meeting.tencent.com/dm/Pl5rDYuI9nQz 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3 #EVM

🚩 Course playlist: youtube.com/playlist?list=… ✏️ Lesson 4 – Task 4: 1⃣️Quiz: wj.qq.com/s2/26359758/hz… 2⃣️Practical task: github.com/papermoonio/20…

🎉 Lesson 4: Multi-language Clients (wagmi + web3.py) is live! Don’t miss it 👀 👨‍🏫 Instructor: Zhou Jun | @PaperMoonIO DevRel 🎡 What you’ll learn: 1⃣️How users interact with the blockchain — from RPC to SDK. 2⃣️Hands-on with ethers — from connection to deployment, building on-chain interactions from scratch. 3⃣️Viem in practice — chain ID validation, read/write separation, and contract calls. 4⃣️Web3.py in practice — sync & async workflows, deployment, and contract interaction. 💬 Add our WeChat assistant Emma(🆔oneblockEmma) for more details! #Polkadot #Web3 #EVM

📢 Build Your First DApp on Polkadot | Office Hour 3 starts tonight! ⏰ April 16 (Today), 20:00 UTC+8 🎓 Instructor: Zhou Jun | TA: Quantx ✍️ Agenda: ✅ Key concepts recap ✅ Assignment walkthrough ✅ Additional learning resources ✅ Live Q&A 🧐 Try to complete the assignment in advance and come with questions! 👉 Assignment: wj.qq.com/s2/26271329/x1… 📺 Live session: meeting.tencent.com/dm/Pl5rDYuI9nQz Let’s nail the dev workflow and local testing setup together 💪 💬 Add our WeChat assistant Emma(🆔oneblockEmma) for more details! #Polkadot #Web3 #EVM

🎉 Lesson 3: Engineering Workflow & Local Testing Environment is now live! Dive in and start learning 👀 👨‍🏫 Instructor: Zhou Jun | DevRel at @PaperMoonIO 🎡 What you’ll learn: 1️⃣ Setting up a local @Polkadot dev environment + intro to Hardhat & Foundry 2️⃣ Running and debugging local nodes & RPC services 3️⃣ Using Hardhat (EVM / PVM) 4️⃣ Using Foundry 🚩 Course playlist: youtube.com/playlist?list=… ✏️ Lesson 3 – Task 3: wj.qq.com/s2/26271329/x1… 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3 #EVM

🚩 Course playlist: youtube.com/playlist?list=… ✅ Lesson 2 – Task 2 1⃣️Quiz: wj.qq.com/s2/26201415/l6… 2⃣️Hands-on task: github.com/papermoonio/20…

📢 Build Your First DApp on Polkadot | Office Hour 2 🕒 Time: April 9 (Thu), 8:00 PM UTC+8 👨‍🏫 Instructor: Zhou Jun | TA: Fugui ✍️ What we’ll cover ▪ Key takeaways from the lesson ▪ Step-by-step homework walkthrough ▪ Additional learning resources ▪ Live Q&A 🧐 Tip: Try to complete the homework in advance and come with specific questions — you’ll get much more out of the session! 🚩 Join the live session (Tencent Meeting): meeting.tencent.com/dm/Pl5rDYuI9nQz See you Thursday at 8 PM 👋 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3 #EVM

🚩 Course playlist: youtube.com/playlist?list=… ✏️ Lesson 2 – Task 2: 1⃣️Quiz: wj.qq.com/s2/26201415/l6… 2️⃣ Practical Task: github.com/papermoonio/20…

🎉 Lesson 2: Smart Contracts = On-Chain Backend is now LIVE‼️ Jump in and start learning 👀 👨‍🏫 Instructor: Zhou Jun｜@PaperMoonIO DevRel 🎡 Course Outline: 1⃣️Deep dive into Polkadot account system & gas mechanics 2⃣️In-depth walkthrough of Revive code 3⃣️Hands-on: Interacting with Polkadot using TypeScript 4⃣️Hands-on: Precompiled contracts in action ⏳ Registration closing soon‼️ Sign up for a chance to win $100U in our lucky draw 🎟️ 👉 Quick Registration: wj.qq.com/s2/25742667/su… 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3 #EVM

🧵 Polkadot March 2026: Big protocol shifts + builder momentum 1️⃣ Tokenomics overhaul • Issuance ↓53.6% + 2.1B cap • New Dynamic Allocation Pool (DAP) 2️⃣ Adoption milestone • First US spot DOT ETF (21Shares TDOT) 3️⃣ Dev UX upgrades → Docs MCP (AI-powered doc search in your IDE) → OpenZeppelin Wizard now supports Polkadot → RevX beta: AI vibe coding for Polkadot contracts 4️⃣ Polkadot Solidity Hackathon wrapped • 268 hackathon builds → 26 winners (DeFi, AI, infra) Big month. Lower inflation, better tooling, more builders. #Polkadot #Web3 $DOT

📚 8:00 PM Tonight | Build Your First DApp on Polkadot — Office Hour 1 Still have questions after Lesson 1 “Hello, Polkadot Smart Contracts”? Not sure about your assignment? Don’t worry, tonight’s Office Hour has you covered! ✅ Course recap ✅ Assignment review ✅ Extended insights ✅ Live Q&A Hosted by Zhou Jun (@PaperMoonIO DevRel) and teaching assistant Fugui (full-stack developer, building with AI across React/Rust/Solidity) — expect plenty of practical takeaways! 🔗 Tencent Meeting: meeting.tencent.com/dm/Pl5rDYuI9nQz See you at 8 PM! Bring your questions and join us live! 💬 Add our WeChat assistant Emma (🆔 oneblockEmma) for more details! #Polkadot #Web3 #EVM