Onchain Commerce Shop
Commerce starter application for selling products onchain with wallet checkout and USDC payments.
Template
Coinbase CDP
Open Source
GitHub
BaseEthereum
IntermediateWeekend Project
All ideas
Ethereum
Base+1
EthereumBase+3
Ethereum
Smart Signer
AI reviews every transaction before you sign it and warns you in plain English what it actually does.
Advanced
Agentic Apps
Security
4–8 weeks
Overview
A browser or wallet extension layer that simulates txs, explains risks, and flags approvals, drains, and phishing patterns.
Problem
Users sign opaque calldata and unlimited approvals without understanding real-world impact until funds are gone.
Suggested Features
- ·Transaction simulation
- ·Plain-English risk summary
- ·Approval and spender warnings
- ·Known scam contract blocklist
Suggested APIs
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Wallet onboarding and embedded wallet infrastructure for apps.
Free
Freemium
Alchemy
Blockchain node infrastructure and developer APIs.
Free
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Ollama
OSS
Run large language models locally with a simple API.
Chain-agnostic
Free
Chainalysis
Blockchain analytics and compliance screening tools.
Freemium