Alpaca-lotto
Next-gen lottery on NERO Chain using AA and Paymaster for a seamless Web2-like UX
Core Purpose
Overview
AlpacaLotto is a Web3 lottery platform built on NERO Chain using Account Abstraction (ERC-4337) and AI optimization. Users can join with any token, pay gas flexibly, and interact with ease.
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Key Features • Multi-token entry: Use any ERC20 token for tickets & gas • AI optimizer: Suggests best token based on cost, balance, volatility • Session keys: Sign once, play multiple times securely • Batch actions: Buy multiple tickets in one transaction • Social recovery: Restore wallet via trusted contacts
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Tech Stack • Frontend: React, TypeScript, wagmi v2, viem • Backend: Node.js, Express, ethers.js • Contracts: Solidity 0.8.12, OpenZeppelin, ERC-4337 • AA SDK: userop, NERO Paymaster (Types 0/1/2 supported)
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NERO Integration • Smart contract wallets (AA) • Pay with any token (via Paymaster) • Batch UserOps to reduce gas • Scoped session keys for safe, smooth UX
What's Next
Aiming to make AlpacaLotto even easier to use, especially for non-crypto users. Upcoming features include: • One-click wallet creation and gasless onboarding • Smarter AI suggestions for token and gas choices • Mobile-first session key experience • User-generated lotteries and NFT prize pools
As a real-world use case of Account Abstraction, AlpacaLotto showcases how Web3 can feel like Web2. It lowers the entry barrier and helps grow the NERO ecosystem by turning casual users into active participants.