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Meet.XLM


💰 The Hidden Problem

≈$100,000 USD — Stellar distributed $100,000 at Meridian alone.
And has distributed over $30M USD in grants.

But behind this number exists a blind spot:

There is no native, private, and anti-sybil way to prove real participation in XLM-funded events.

Without this, blockchain doesn't touch the real world.


🔴 How It Works Today

Today, reporting and metrics for community events and grants are:

  • Manual
  • Opaque
  • Inconsistent

Result: Stellar is growing in the dark — no verifiable engagement data.


✅ The Solution

Meet.XLM is a native, private, and anti-sybil protocol based on ZK-UltraHonk and Soroban.

Transform event participation into verifiable on-chain reputation using:

  • 🔐 Zero-Knowledge Proofs (ZK-proofs)
  • Soroban Smart Contracts
  • 🎮 Dynamic NFT Badges

🎯 How It Works

1. HOST logs into the app
   ↓
2. Creates an event
   ↓
3. Sets minimum XLM requirement (e.g., ≥100 XLM)
   ↓
4. Shares event link with community
   ↓
5. ATTENDEE selects event
   ↓
6. Generates ZK-proof (client-side) proving balance WITHOUT revealing wallet
   ↓
7. Proof verified on-chain via Soroban → Access granted
   ↓
8. At check-in → Receives NFT badge with rarity (Common/Rare/Epic)
   ↓
9. Social game: Scan others to reveal their NFTs

Result: Verifiable, private, fraud-proof event participation.


🏗️ Architecture

┌─────────────┐
│  ORGANIZER  │ ──► Create Event ──► ┌──────────┐
└─────────────┘                       │ Backend  │
                                      │  API     │ ──► Verify ZK ──► ┌──────────┐
┌─────────────┐                       └──────────┘                   │ Soroban  │
│  ATTENDEE   │ ──► Generate ZK ───────────────────────────────────► │ Contract │
└─────────────┘     Proof (Client)                                   └──────────┘
                                                                            │
                                                                            ▼
                                                                      Mint NFT

Core Components

1. ZK-Proof System (Privacy)

  • Proves "has ≥X XLM" without exposing wallet or exact balance
  • Generated client-side (no server trust needed)
  • Uses Noir circuits compiled to WASM

2. Soroban Smart Contract

create_event(host, min_xlm, max_attendees, rarity_config)
mint_veiled_nft(attendee, event_id) 
reveal_nft(nft_id, rarity_seed)
cross_reveal(revealer, target_nft)

3. Dynamic NFT Badges

  • Veiled before check-in
  • Revealed with rarity at event
  • Cross-Reveal: Social game to reveal others' NFTs

🚀 Why Stellar?

Metric Meet.XLM (Stellar) POAP (Ethereum)
Cost per NFT $0.00001 $5-20
Mint Time 5-8s 30-60s
Privacy ZK-proofs Address exposed
Payment USDC native External

Example: Event with 200 participants

  • Stellar: $0.002 total
  • Ethereum: $2,000 total

📊 Go-to-Market (LATAM Focus)

Our GTM strategy targets LATAM Stellar ecosystem in partnership with chapters and ambassador leaders:

Event Management → Real-time dashboards, check-ins, metrics
Engagement & Gamification → NFT rewards, leaderboards, social games
Privacy by Design → ZK-proofs protect user data

Pilot Partners:

  • Stellar LATAM Ambassadors
  • Blockchain Acceleration Foundation (BAF)
  • University chapters (Brazil, Argentina, Colombia)

🗺️ Roadmap

Q4 2025: Pilot

  • Launch with LATAM community leaders
  • Feedback iteration and continuous improvement
  • 30+ events milestone

Q1 2026: Grant Funding

  • Apply for Stellar Community Fund grant
  • Advance technical development (ZK circuits, analytics)
  • Partnership MOU with Stellar Foundation

Q2 2026: DAO & Public Good

  • Token launch (governance + utility)
  • Transform into sustainable Digital Public Good
  • White-label solution for ecosystem partners

Technical Evolution:

V0: Generate and verify ZK-proofs using Soroban ✅
V1: Dashboard for event management, check-ins, engagement metrics
V2: Expand to prove ownership of ANY Stellar token (crucial for ambassadors)
V3: Mint private NFTs via NFC proximity for gamified in-person engagement tracking


🚀 Quick Start

Prerequisites

Node.js >= 18.x
Rust >= 1.70
Stellar CLI (soroban-cli)

Installation

git clone https://github.com/bellujrb/meet.xlm-stellar.git
cd meet.xlm-stellar

# Frontend
cd frontend && npm install && npm run dev

# Backend
cd backend && npm install && npm run dev

# Soroban Contract
cd contracts && cargo build --target wasm32-unknown-unknown --release

👥 Dream Team

Our team has 5+ years of experience in blockchain engineering and web3 infrastructure.
Active engagement with 10+ web3 communities and universities in the Brazil/LATAM ecosystem.

Lucas Bispo de Oliveira — CEO & Blockchain Engineer

João Rubens — CTO & Software Engineer

  • 5+ years full-stack engineering
  • Expert in distributed systems

Jenny Tejedor — Chief of Growth & Community

  • LATAM ecosystem connector
  • 6+ years community management

🏆 Built for Stellar Hack+ Buenos Aires 2025

Special thanks to:

  • Stellar Development Foundation (SDF)
  • Blockchain Acceleration Foundation (BAF)
  • The Stellar community in LATAM

Built with ❤️ for team meet.xlm

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