Wildcard

Wildcard is a multi-chain data- and token-bridge for both cryptocurrencies and NFTs, and has been in development since late 2020. It relies on hardware supporting TEEs (Trusted Execution Environment) and is based on novel research from the Applied Cryptography Group of the Technical University of Darmstadt (the CommiTEE protocol for provably secure TEE-based L2 chains). Wildcard has its own second-layer asset ledger which acts as a hub connecting multiple chains, and as a unifying chain-agnostic crypto-asset platform.
- Motivation for the project: Wildcard is essential to TrustChain as it enables state content verification across layer-1 and layer-2 chains. This allows for secure, provable cross-chain data and asset interoperability, enhancing TrustChain's capability to support decentralized, verifiable applications.
- Generic use case description: In gaming, Wildcard enables players to securely own, trade, and transfer in-game assets (NFTs) across multiple blockchains. Players can prove asset ownership, even across ecosystems, enabling true cross-game asset portability and fostering decentralized gaming economies.
- Essential functionalities: Cross-Chain NFT Bridging - Secure transfer of NFTs across blockchains, Proof of NFT Possession - Verifiable ownership on layer-1 and layer-2 chains, State Proofs - Provable cross-chain data sharing, Developer Tools - Chain-agnostic SDK for simplified dApp creation.
- How these functionalities can be integrated within the software ecosystem: Wildcard integrates into the software ecosystem via APIs, a chain-agnostic SDK, and pre-built UI components, allowing seamless implementation of its functionalities. It enables cross-chain NFT bridging, proof verification, and data sharing, enhancing interoperability and simplifying multi-chain dApp development.
- Gap being addressed: Wildcard addresses the limitations of existing technologies by unifying diverse blockchains and abstracting their complexities. Unlike current solutions, it enables chain-agnostic development, fosters economic mobility, supports near-instantaneous transactions, and breaks blockchain information silos, promoting seamless interoperability.
- Expected benefits achieved with the novel technology building blocks: Wildcard’s building blocks enable chain-agnostic development, eliminating technical barriers for multi-chain products. It offers near-instant transactions with low fees, secure cross-chain data and asset transfers, fosters competition by easing migration between blockchains, and bridges blockchain silos for interoperability.
- Potential demonstration scenario: TA gaming dApp integrates Wildcard to enable players to trade and transfer in-game assets (NFTs) seamlessly across multiple blockchains. Players verify asset ownership, enjoy instant low-cost transactions, and interact with a unified platform, showcasing interoperability and enhanced user experience.
Team

Hendrik Amler
Co-founder and CEO of Polycrypt
Entity

PolyCrypt
Bringing modern cryptopgraphy to market.
Website: https://polycry.pt
LinkedIn: https://x.com/PolyCrypt_
Tagged NGI TrustChain