AmericanFortress has raised $8 million in seed funding to advance quantum-resistant blockchain infrastructure. The round was co-led by SAVA Digital Asset Fund, Moon Pursuit Capital and 0G Labs, and coincides with a patent filing for quantum-resistant cryptographic transaction signing.
Preparing Blockchain Networks for Quantum Risk
Quantum-resistant blockchain infrastructure refers to systems designed to help protect digital asset transactions from potential future attacks by quantum computers. Bitcoin, Ethereum and many other blockchain networks rely on elliptic curve cryptography, which remains secure against classical computers today. However, a sufficiently powerful quantum computer could theoretically derive a private key from an exposed public key, creating risk for wallets whose public keys have already appeared on-chain.
AmericanFortress is developing technology intended to address this risk without requiring blockchains to rebuild from the ground up. According to the company’s announcement, 0G Labs is expected to be the first blockchain network to deploy the technology in production.
More Than a Quantum Security Tool
AmericanFortress’ FortressNames platform is designed to combine several blockchain infrastructure functions into one system, including quantum-resistant transaction signing, human-readable wallet names, compliant stealth address privacy and zero-knowledge balance confidentiality.
The goal is to make blockchain transactions more secure, private and usable without forcing users or networks to rely on multiple disconnected tools. By positioning the platform as a retrofit for existing blockchains, AmericanFortress is targeting practical integration with current networks.
Why This Development Matters
The funding highlights a broader shift in digital asset infrastructure. As blockchain adoption expands, security, usability, privacy and compliance are becoming increasingly connected. Improving one area while leaving others unresolved can limit real-world adoption.
AmericanFortress’ approach treats quantum-resistant blockchain infrastructure as part of a broader transaction layer rather than a standalone feature. That may be important for networks, applications and institutions looking for blockchain tools that are both future-oriented and practical for current use.
The $8 million round will support production deployment of the company’s privacy infrastructure and its planned $AF token generation event, which is targeted for the second quarter of 2026.
For Sarson Funds, this portfolio company update reflects several long-term digital asset themes we continue to monitor, including blockchain security, post-quantum cryptography, wallet usability and privacy-preserving infrastructure.
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