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Web3

Onchain Event Guestbook

Visitors sign a permanent guestbook at an event.

Beginner6h1 person16/20 fit
TL;DR

Build Onchain Event Guestbook for beginners learning solidity in ~6h with 1 person. Stack: Solidity + Scaffold-ETH.

Why it wins: Perfect first web3 project.

Build flow

01 · Problem
Beginners need a tiny first contract that feels fun.
02 · Solution
A contract stores short messages with sender and time, and a page displays them live as the audience signs.
03 · Build
  1. 1Write contract
  2. 2Deploy
  3. 3Build feed
  4. 4Add moderation
04 · Demo
The audience signs the guestbook during the demo.

MVP checklist

  • Sign message
  • Live feed
  • Profiles
  • Moderation

Tech stack

TechRole
SoliditySmart contracts
Scaffold-ETHdApp starter kit

Reference repos

Open-source projects you can build on. Links checked 2026-10-31.

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