// mistakes
Mistakes Hub
The things nobody tells you. 13 real failures from shipped projects, organized by category.
Track 1 · Solidity Systems·Module 4 · Evolutionary Voting·[Architectural]
Storing a paragraph cost me $140 in gas
Track 2 · Full-Stack Web3·Module 4 · Why Redis Suddenly Appeared·[Technical]
I rebuilt Redis badly, three times
Track 2 · Full-Stack Web3·Module 5 · Why Indexing Appeared·[Architectural]
Without The Graph, every page load was a full chain scan
Track 1 · Solidity Systems·Module 4 · Evolutionary Voting·[Technical]
A simple loop that bricked our hackathon at 714 votes
Track 4 · Why Web3 UX Failed·Module 1 · Why Web3 UX Failed·[UX & Product]
Onboarding took 9 minutes out of a 10-minute demo
Track 4 · Why Web3 UX Failed·Module 1 · Why Web3 UX Failed·[Conceptual]
Why sending gas to a smart account contract instantly reverts
Track 1 · Solidity Systems·Module 3 · Deployment & Blockchain State·[Technical]
The Version Mismatch Nightmare
Track 0 · Blockchain Foundations·Module 3 · Networks & Storage·[Conceptual]
The Ganache Ghost Connection
Track 1 · Solidity Systems·Module 1 · Solidity Fundamentals·[Technical]
The Pragma Panic Attack
Track 0 · Blockchain Foundations·Module 4 · Wallets & Identity·[UX & Product]
The Private Key Copy-Paste Disaster
Track 1 · Solidity Systems·Module 3 · Deployment & Blockchain State·[Technical]
The Truffle Migration Confusion
Track 0 · Blockchain Foundations·Module 5 · Gas & Transactions·[Conceptual]
The Gas Estimation Black Hole
Track 1 · Solidity Systems·Module 3 · Deployment & Blockchain State·[Technical]