Skip to content
Web3

Gasless Onboarding Wallet

Lets new users act on-chain with just an email-style login and no gas.

Advanced48h2–4 people15/20 fit
TL;DR

Build Gasless Onboarding Wallet for apps onboarding non-crypto users in ~48h with 2–4 people. Stack: Solidity + Account abstraction + viem + Next.js.

Why it wins: Tackles Web3’s biggest UX barrier.

Build flow

01 · Problem
Seed phrases and gas fees scare away new users.
02 · Solution
Smart-account wallet with sponsored transactions, so the first actions are free and simple.
03 · Build
  1. 1Smart account contracts
  2. 2Paymaster setup
  3. 3Login + account UI
  4. 4Sponsored action demo
04 · Demo
Sign up → perform an on-chain action → user never sees gas or a seed phrase.

MVP checklist

  • Smart account creation
  • Sponsored transactions
  • Simple login
  • Activity feed

Tech stack

TechRole
SoliditySmart contracts
Account abstractionSmart accounts + paymaster
viemEthereum client
Next.jsFrontend + API routes

Reference repos

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

Related ideas

More Web3

  • Web3

    Social Recovery Wallet

    Recover a wallet through trusted friends instead of a seed phrase

    Advanced28h2–3
    Account AbstractionSolidityWagmi
    17/20

  • Web3

    Recurring Stablecoin Payments

    Pay subscriptions in stablecoins without signing every month

    Advanced28h2–3
    Account AbstractionSolidityViem
    15/20