Granbell

The company provides a suite of quantum-resistant security solutions for digital finance, including post‑quantum certificates with automated key rotation to protect communications against future quantum attacks.

Updated 2 months ago

Funding

Funding not disclosed

Funding rounds are not available yet.

Founders

Founder details are not available yet.

Product

Problem

Financial institutions face growing threats from emerging quantum computing capabilities and increasingly sophisticated cyber attacks, which can compromise cryptographic keys, communication channels, and digital asset custody. Existing infrastructure often lacks quantum-resistant encryption, secure high-performance networking, and truly isolated storage solutions, leaving critical financial data and assets vulnerable.

Solution

Granbell delivers a suite of quantum-resistant security products tailored for digital finance. Its post‑quantum certificates incorporate dynamic key rotation, automatically updating cryptographic keys to maintain protection without service disruption. The company also provides a decentralized, IPv6‑based Web3 backbone that offers high‑throughput, end‑to‑end encrypted connectivity for cross‑border transactions and smart‑contract interactions. For asset custody, Granbell offers an air‑gapped cold‑storage appliance that combines hardware encryption, biometric authentication, and redundant offline backups, ensuring institutional digital assets remain isolated from network threats.

Target Audience

Primary customers are banks, payment processors, and institutional digital‑asset custodians that require long‑term cryptographic security and resilient network infrastructure for high‑value financial services.

Features

Post‑quantum X.509 certificates with automated, periodic key rotation to prevent key compromise
Decentralized IPv6 Web3 network layer delivering low‑latency, encrypted links for global financial operations
Trustless identity and governance mechanisms built into the backbone for secure transaction verification
Air‑gapped cold‑storage hardware featuring tamper‑evident design, multi‑factor biometric access, and encrypted key storage
Redundant offline backup architecture to guarantee data durability and regulatory compliance
Integrated management console for unified monitoring of certificates, network performance, and storage health