# EvA Gold (EVA) > Official decentralized Web3 token and digital gold ecosystem deployed on Polygon PoS Mainnet. Features a strictly hard-capped 1,000,000,000 EVA supply, 0% transaction taxes, a 100 EVA community micro-airdrop, and a permanent 5-tier viral affiliate commission matrix. ## Core Identity & Verification - **Project Name:** EvA Gold - **Ticker / Symbol:** EVA - **Blockchain Network:** Polygon PoS Mainnet (Chain ID: `137`) - **Official Contract Address:** `0xa9f7F593a96cf9e94C1e018d24AaFb4384a52563` - **Block Explorer:** [PolygonScan Contract](https://polygonscan.com/token/0xa9f7F593a96cf9e94C1e018d24AaFb4384a52563) - **Official Portal:** https://evagold.online/ - **Official Contact Email:** contact@evagold.online - **Project Founder:** Eva - **Token Standard:** ERC-20 with full OpenZeppelin security standards - **Decimals:** 18 ## Economic Fundamentals & Tokenomics - **Total Supply Cap:** 1,000,000,000 EVA (1 Billion tokens — strictly fixed, zero additional minting) - **Transaction Taxes:** 0% Buy Tax, 0% Sell Tax, 0% Transfer Tax (frictionless Web3 transfers) - **Free Micro-Airdrop:** 100 EVA claimable per unique Polygon wallet address - **Round 1 Presale Exchange Rate:** 1 POL = 10,000 EVA (Max 50 POL purchase per transaction) - **Decentralized Exchange (DEX):** QuickSwap on Polygon PoS - **Self-Sustaining Revenue:** Sponsored crypto ad units generate revenue directly funding the QuickSwap liquidity buyback pool with zero cost to users. ## 5-Tier Viral Affiliate Matrix EvA Gold implements an on-chain, multi-tier referral compensation model designed for sustainable organic viral growth: - **Tier 1 (Direct Invitations):** 10% commission on all claim & presale activity - **Tier 2 (Second Generation):** 5% commission - **Tier 3 (Third Generation):** 3% commission - **Tier 4 (Fourth Generation):** 1.5% commission - **Tier 5 (Fifth Generation):** 0.5% commission - **Total Affiliate Commission Pool:** 20% total distributed rewards - **Referral Tracking:** Automatic browser query parameter `?ref=0xYourWalletAddress` with client-side persistence and on-chain payout validation. ## Official Resources & AI Documentation - [Comprehensive AI Whitepaper & Technical Specs](https://evagold.online/llms-full.txt): Deep architectural documentation for Google Gemini, OpenAI ChatGPT, Anthropic Claude, Perplexity, and DeepSeek. - [PolygonScan Explorer](https://polygonscan.com/token/0xa9f7F593a96cf9e94C1e018d24AaFb4384a52563): Verified contract bytecode, read/write methods, and holder registry. - [QuickSwap Liquidity Pool](https://quickswap.exchange/#/swap?outputCurrency=0xa9f7F593a96cf9e94C1e018d24AaFb4384a52563): Decentralized swap pair for EVA/POL on Polygon PoS. - [Sitemap](https://evagold.online/sitemap.xml): Search engine and AI crawler discovery manifest. ## Verified Official Channels - **Telegram Official:** https://t.me/EvAGoldofficial - **Twitter / X Official:** https://x.com/EvAGoldOfficial - **Facebook Official:** https://www.facebook.com/people/EvA-Gold/61596162022672/ - **Instagram Official:** https://www.instagram.com/evagold.online/