1. Introduction

PowerPick is a verifiable, automated, and gas-efficient on-chain lottery. The core contract:

• Sells system tickets (k picks between 6 and 15).

• Draws 6 numbers via Chainlink VRF v2.5.

• Tallies winners exactly using combinatorial math.

• Pays out per-tier winners in USDT and/or PLAY.

• Burns 25% of PLAY(swapped if user used USDT) to support token economics.

• Automates operations with Chainlink Automation.

• Disables ERC‑721 transfers (soulbound) to ensure safety.

The design focuses on transparency and Randomness while supporting a robust referral model to encourage players to marketing the system.