AA Onboarding Kit

ERC-4337 Account Abstraction toolkit for gasless subscription onboarding.

Part of the sub-protocol collection by CryptoForge.

Overview

The AA Onboarding Kit provides a complete account abstraction infrastructure for subscription-based dApps. It enables gasless onboarding where new subscribers get a smart account with sponsored gas — no ETH needed to start using your product.

Architecture

┌─────────────────┐     ┌──────────────────┐     ┌─────────────────┐
│  User (EOA)     │────▶│  SubAccount      │────▶│  EntryPoint     │
│  + Membership   │     │  Factory         │     │  (ERC-4337)     │
│    NFT          │     │  (ERC-1167)      │     │                 │
└─────────────────┘     └──────────────────┘     └────────┬────────┘
                                                          │
                        ┌──────────────────┐              │
                        │  SubPaymaster    │◀─────────────┘
                        │  (Gas Sponsor)   │
                        │  - Rate limiting │
                        │  - NFT gating    │
                        └──────────────────┘