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SignQuantum

25
ResearchSan Francisco, United StatesEst. 2023
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About

SignQuantum develops quantum-resistant digital signature technologies for enterprises and government agencies. In 2025, the company entered an exclusive distribution agreement with ITTI for quantum-resistant digital signatures across Latin America. SignQuantum provides post-quantum cryptography solutions that protect digital signatures and authentication systems from quantum computing threats. Update 2025-09-11: Ueno Bank deployed SignQuantum's post-quantum signatures and QANplatform's blockchain to secure 2.2 million documents. Source: https://quantumzeitgeist.com/ueno-bank-first-bank-to-deploy-quantum-resistant-signatures-worldwide-in-paraguay/ Update 2025-08-06: SignQuantum and QANplatform launched a post-quantum digital signature security solution using NIST-recommended algorithms and QANplatform's blockchain. Source: https://quantumzeitgeist.com/signquantum-qanplatform-launch-nist-aligned-post-quantum-digital-signature-add-on-for-secure-time-stamping/

Quantum Specifications

Quantum Focussoftware

Backed By

Lakestar
Lightspeed Venture Partners
Quantum Coast Capital
Type One Ventures
Trumpf Venture
Gic Government Of Singapore Investment Corporation
Hercules Capital
Inven Capital

Frequently Asked Questions

SignQuantum develops quantum-resistant digital signature technologies for enterprises and government agencies. In 2025, the company entered an exclusive distribution agreement with ITTI for quantum-resistant digital signatures across Latin America. SignQuantum provides post-quantum cryptography solutions that protect digital signatures and authentication systems from quantum computing threats. Update 2025-09-11: Ueno Bank deployed SignQuantum's post-quantum signatures and QANplatform's blockc...
SignQuantum is headquartered in San Francisco, United States.
SignQuantum was founded in 2023.
SignQuantum operates in the following sectors: quantum security, quantum cryptography.