PolyCrypt GmbH

PolyCrypt GmbH is a German blockchain infrastructure company specializing in cryptographic solutions for scalable, interoperable blockchain ecosystems. Founded to address the scalability challenges preventing blockchain mass adoption, the company develops cutting-edge off-chain technologies and provides consulting services for deep-tech cryptographic applications.

Core Products/Services

PolyCrypt's flagship offerings include Perun, an open-source state channel framework enabling ultra-low latency payments and complex business logic across multiple blockchains, and Erdstall, a second-layer scaling solution providing instant, gas-free transactions with privacy-by-default. Beyond these products, the company delivers high-tech software development, consulting for deep technology implementations, and use case research for blockchain applications.

Key Strengths

The company distinguishes itself through advanced cryptographic expertise spanning threshold cryptography, verifiable random functions (TCVRFs), zero-knowledge proofs, and self-sovereign identity (SSI) solutions. Their modular, blockchain-agnostic approach enables seamless integration with existing environments while supporting cross-chain interoperability. PolyCrypt's technology addresses critical blockchain challenges including scalability (2000+ TPS), offline payment capabilities via NFC/Bluetooth, and trust-minimized cross-chain swaps without bridges.

Notable Clients/Projects

PolyCrypt maintains strategic partnerships with leading blockchain foundations and enterprises including Bosch, Web3 Foundation, Cardano, Polkadot, Nervos, Worldcoin, Cosmos, and Hyperledger Foundation. Their Perun framework operates as a Hyperledger Labs project, demonstrating industry recognition. Key implementations include distributed wallets for Polkadot, credential exchange frameworks (LOEWE3), and the Wildcard cross-chain bridging project.

Why Choose PolyCrypt

PolyCrypt offers end-to-end support from conceptualization through deployment, combining academic rigor from their Darmstadt research roots with production-ready engineering. Their dual approach—providing both self-service developer tools (Perun SDK, Perun Node) and professional consulting services—enables clients to choose their preferred engagement model. The company's focus on cryptographic soundness, proven security guarantees through virtual channel technology, and commitment to open-source development ensures clients benefit from cutting-edge research while maintaining implementation flexibility.