Starken

Starken
Key Feature
Partners

Inspiration

The idea for Starken was born from the struggles of the current Web3 gaming market. In Q2 2025, blockchain gaming activity dropped by 17%, over 300 projects became inactive, and investments hit a two-year low. Despite these challenges, NFT trading volume and revenue in gaming remained resilient, showing that NFT game items still hold strong business potential.

At the same time, the rise of AI agents and the continued dominance of BTC as the most liquid digital asset highlighted opportunities to reshape the gaming economy. Existing NFT marketplaces lack robust messaging systems, true P2P negotiations, and cross-chain settlement options. We wanted to build something different: a mobile-first, Starknet-powered NFT game item marketplace that gives players real ownership, secure negotiations via Wootzapp, and the ability to pay in Bitcoin seamlessly.

What it does

Starken is a next-generation NFT game item marketplace designed for Web3 gamers and collectors. It provides:

BTC-to-Starknet Payments: Buyers can pay in Bitcoin via Xverse wallet, while sellers receive their preferred Starknet tokens through Atomiq SDK atomiq swaps.
P2P Negotiations: Using Private messaging, buyers and sellers can chat, negotiate discounts, share tips, and build trust before closing a deal.
Escrow & Security: A Starknet smart contract holds funds and NFTs until both parties confirm, preventing scams.
Mobile-first Experience: A simple, intuitive dApp that works like a Web2 marketplace, reducing onboarding friction.
Interoperability: Support for multi-game NFTs across Starknet’s ecosystem (Dojo Engine + Cartridge integration).

In short, Starken combines trading, payments, and communication into one seamless experience for Web3 gaming.

How we built it

Starken was built by combining cutting-edge Web3 infrastructure with a mobile-first design philosophy.

Smart Contracts: The marketplace core and escrow logic were developed in Cairo, leveraging Starknet’s scalability and composability.
Payment System: Integrated Xverse Wallet to enable Bitcoin-native user connectivity, and Atomiq SDK for atomiq swaps between BTC and Starknet assets — allowing buyers to pay in BTC while sellers receive their preferred Starknet token.
Messaging Layer(Future): Built a Wootzapp-powered encrypted chat system for peer-to-peer negotiations, letting users securely discuss, offer, and agree on prices directly.
Mobile-first Interface: Focused on optimizing the UI for gaming users, ensuring intuitive flows similar to Web2 apps but fully Web3-native underneath.

This tech stack ensures Starken runs efficiently on Starknet while maintaining security, accessibility, and interoperability.

Accomplishments that we're proud of

We’re proud of several key milestones that mark Starken’s innovation:

First Bitcoin-integrated NFT marketplace on Starknet, combining BTC liquidity with Starknet-native assets.
Seamless atomic swap flow where users pay in BTC and sellers receive Starknet tokens in seconds.
Mobile-native experience that mirrors Web2 usability, significantly lowering the onboarding barrier for gamers.

What's next for Starken

Starken is at its beginning, but our vision goes much further:

Short Term (2025 Q4 – 2026 Q1): Launch the MVP with BTC payments, Starknet marketplace contracts. Wootzapp-based messaging will be supported in the future. Support for more games and assets will be expanded.
Mid Term (2026 Q2): Introduce DAO governance, letting the community influence game integrations, features, and reward mechanisms. Add on-chain reputation scores for trustworthy traders.
Long Term (2026 Q3 and beyond): Integrate AI agents for automated item recommendations, price predictions, and fraud detection. Expand cross-chain interoperability, enabling users to bring NFTs from other ecosystems.

Ultimately, Starken will evolve into a full-stack NFT gaming hub — where players don’t just trade items but negotiate, collaborate, and grow communities around their digital assets.