AmericanFortress

Research & technical documentation

Explore AmericanFortress research, technical papers, and current patent materials.

  • 30Inventions
  • 16Patent applications filed
  • 1U.S. patent granted

AF Whitepaper

The comprehensive overview of AmericanFortress privacy protocols, architecture, and vision.

Download AF Whitepaper

Latest research

ZKPoSP: Post-Quantum Zero-Knowledge Proofs for Hierarchical Deterministic Wallets

A Cryptology ePrint Archive preprint describing ZKPoSP and QBIP32, with constructions and benchmarks for post-quantum zero-knowledge proofs in hierarchical deterministic wallets.

Download ZKPoSP PDFRead on IACR ePrint
Research library

The research
behind the product

Preprint
Revised Jul 30, 2026

ZKPoSP: Post-Quantum Zero-Knowledge Proofs for Hierarchical Deterministic Wallets

A Cryptology ePrint Archive preprint describing ZKPoSP and QBIP32, with constructions and benchmarks for post-quantum zero-knowledge proofs in hierarchical deterministic wallets.

Vincenzo Botta · Michal Pospieszalski · Emanuele Ragnoli · Justus Ranvier

Read on IACR ePrint
Coming soon

Send-to-Name™ technical overview

White paper covering the full technical architecture of the patented Send-to-Name™ stealth address system including the one-time address derivation scheme, sender-receiver key exchange protocol, and cross-chain resolution mechanism.

AmericanFortress Research Team

Patent portfolio

Built on original research

Not marketing claims. Public patent filings you can read yourself.

Search on USPTOSearch on WIPO
  • Granted

    U.S. Patent 12,412,162 B2

    Cryptographically Secured Hybrid Cryptocurrency System. The foundation of Send-to-Name.

  • Allowed, awaiting issue

    U.S. 2022/0374529 A1

    Secure Cryptographic Server Card. Notice of Allowance, June 2026.

  • Published application

    U.S. 2022/0335422 A1

    Crypto Currency Hardware Wallet.

  • Published application

    U.S. 2023/0385810 A1

    C-Filter Caching for Cryptocurrency Wallet. The technique that blocks IP-to-balance correlation in the wallet.

  • Published application

    U.S. 2025/0069062 A1

    Zero-Knowledge Proof Identity Credentials (AML). Compliance without surrendering your identity.

  • International

    WO 2025/244654

    Privacy-Preserving Cryptocurrency Transactions. The SafeSend™ family.

  • International

    WO 2024/043935 and WO 2024/043936

    Hardware wallet and server card, via WIPO.

  • International

    EP 4578139 A1 · JP 2025-529912 A

    Filed internationally.

Further filings are pending.

Press coverage

Featured coverage

Three of the 13 articles written about AmericanFortress. The full index lives on the publications page.

Oct 28, 2026Finbold

AmericanFortress partners with Sumsub to bring verified IDs to crypto

Finbold reports on the Sumsub partnership and FortressID, a reusable identity credential linked to a FortressName, with users choosing what identity information they share with counterparties.

Read on Finbold
Oct 27, 2026The Paypers

AmericanFortress partners with Sumsub on verified crypto identity

The Paypers covers how AmericanFortress and Sumsub plan to bring reusable identity verification to FortressNames through FortressID, including selective disclosure and user control over shared credentials.

Read on The Paypers
Sep 24, 2026The Next Web

AmericanFortress paper shows how ZKPs can prove crypto wallet ownership

The Next Web covers the AmericanFortress research into proving that several wallet addresses share a hidden origin, without exposing the seed, private keys, or the addresses themselves.

Read on The Next Web
See all 13 articles