Govern Before. Enforce During. Prove After.
H33 cryptographically governs identities, authorized actions, and system changes — from AI agents and enterprise APIs to post-quantum migrations — while producing independently verifiable evidence that survives changes in software, models, and vendors.
One cryptographic foundation. Multiple products. Verifiable authority.
Post-Quantum Security. Without the Traditional Weight.
H33 is designed to make post-quantum security lighter, more efficient, and more economical to operate — while giving organizations independently verifiable evidence of critical actions and decisions.
Stronger protection · Less overhead · More accountability
AI Governance · AI Audit Trails · Independent Verification · RWA Tokenization · Asset Provenance · Chain Portability · Post-Quantum Security
H33 combines authority preservation, post-quantum cryptography, and independent verification through APIs, SDKs, and terminal tooling. H33-74 creates a portable 32-byte verification footprint while data remains exactly where it is, enabling third parties to independently verify decisions, approvals, and actions without relying on H33 or the original system.
"H33 does not make agents smarter. H33 makes them stop relying on memory."
One H33. Every capability.
Nothing to install. Discover, access, and operate everything available to you through one unified interface — H33 handles identity, authorization, product discovery, and governance behind the scenes.
Authority and proof that survive change.
Systems evolve. Models change. Vendors disappear. H33 binds authority and evidence cryptographically so decisions can remain independently verifiable beyond the systems that produced them.
Govern the action
Establish and enforce cryptographic authority before a consequential action occurs — who may act, over what, under which conditions, and for how long.
Prove the outcome
Preserve independently verifiable evidence of what actually happened — evidence that stays useful after the model, the vendor, or the infrastructure has changed.
AI Safety and Cryptographic Authority Are Different Problems.
AI safety focuses on model behavior, outputs, and safeguards. H33 addresses the cryptographic authority and accountability of actions taken by AI agents, humans, and enterprise systems.
H33 establishes whether actions were authorized, preserves evidence of what occurred, and enables independent verification and replay.
| AI Safety asks | H33 asks |
|---|---|
| Is the model behaving safely? | Was the action authorized? |
| Is the output appropriate? | Can the action be independently verified? |
| Did the model follow its instructions? | Was authority cryptographically enforced? |
| Can behavior be monitored? | Can evidence be independently verified and replayed? |
AI safety governs model behavior. H33 governs authority, actions, and evidence.
These layers are complementary, not competing. H33 does not replace model safety systems, and behavioral safety platforms can also offer authorization controls. What H33 adds is a cryptographic layer: authority that is enforced, and evidence a third party can check without trusting the model, the vendor, or H33.
One Platform for Post-Quantum Cybersecurity, AI Governance, and Cryptographic Verification.
H33 combines post-quantum cryptography, AI agent governance, fully homomorphic encryption (FHE), zero-knowledge proofs (ZK), cryptographic authority, and independent verification in one cybersecurity platform.
These capabilities work together to authorize and govern AI agents, protect credentials, secure enterprise APIs, perform computation on encrypted data, and produce independently verifiable evidence of critical actions.
Instead of building separate security systems for each problem, H33 composes the cryptographic, privacy, identity, governance, and verification capabilities required for each operation.
The result is one underlying architecture supporting purpose-built solutions for AI security, post-quantum migration, financial infrastructure, software integrity, and enterprise cybersecurity.
This diagram is conceptual. It shows shared cryptographic lineage, not a claim that every product uses an identical execution path or the same dependencies. The architecture documentation describes what each product actually invokes.
Post-Quantum Protection Without Post-Quantum Bloat.
Making Post-Quantum Security Lighter, Not Heavier.
Post-quantum cryptography introduces larger signatures and additional processing demands. That creates a difficult economic equation for organizations managing billions of events, transactions, and decisions.
H33 approaches that challenge differently.
H33-74 uses a compact 74-byte attestation to bind an operation to its underlying cryptographic evidence. Systems can exchange or anchor that compact artifact without repeatedly carrying the entire evidence package.
The result is an architecture designed to reduce duplicated evidence movement, storage overhead, and verification friction — while preserving independent accountability.
74 bytes is the engineering. Lower overhead at scale is the business opportunity.
Why the overhead is real — measured, not asserted
On identical Graviton4 hardware, one ML-DSA-65 signature is 3,309 bytes against 64 bytes for classical Ed25519 — a 52× increase in signature size. That is the post-quantum weight every organization inherits, per signed event. In the same measurement, ML-DSA-65 verification is faster than Ed25519 verification (24µs vs 52µs).
Signature and key sizes, latencies, batch throughput and test conditions: ML-DSA-65 benchmark report📐 Sizes, latencies, conditions →. H33 publishes no measurement of storage, retention, network transfer or cost per verified operation, and makes no claim about them.
Compact
A 74-byte attestation structure: a 32-byte commitment plus a 42-byte companion component carrying lineage and version metadata.
Portable
Designed to move across systems, networks, and infrastructure — through APIs, storage, devices, and ledgers.
Verifiable
Supports independent verification using the required associated evidence and verification material.
What the 74 bytes is — and what it is not
The attestation is deliberately small. The evidence it commits to is not. These are distinct quantities, and this site keeps them distinct.
- Attestation size
- 74 bytes — the portable artifact: a 32-byte commitment plus a 42-byte companion component carrying lineage and version metadata.
- On-chain footprint
- 32 bytes — the commitment that anchors to a ledger. This is the verification footprint an auditor checks against the chain.
- Off-chain evidence
- Unbounded — the underlying computation, inputs, proofs, and audit records the commitment refers to. This is retained separately and is not carried inside the 74 bytes.
- Signature and verification material
- The attestation is signed under three independent NIST post-quantum signature families (ML-DSA, FALCON, SLH-DSA). Those signatures, and the public keys needed to check them, are verification material carried alongside the attestation — not inside the 74 bytes. A single post-quantum signature is itself substantially larger than 74 bytes.
- Full storage and transmission cost
- What a system actually stores or ships depends on which of the above it must retain: the commitment alone, the attestation, the signature set, or the complete evidence package. A 74-byte attestation does not imply a 74-byte total cost.
Any claim that an H33 path is lighter than a conventional non-post-quantum system is scoped to a stated, reproducible, equivalent-workload measurement — see the benchmark suite for workloads and test conditions.
AI Agent Security, Post-Quantum Migration, and Enterprise Cryptographic Governance.
H33 provides integrated cybersecurity capabilities for governing autonomous AI agents, protecting machine credentials, migrating cryptographic systems to post-quantum standards, securing APIs, and verifying critical enterprise operations.
Each solution uses the relevant capabilities of the H33 platform, with consistent cryptographic authority, protected computation, provenance, and independently verifiable evidence.
Authority and Governance
Credentials and Identity
Post-Quantum Migration and Verification
Continuity, Integrity, and Replay
Additional Applications and Infrastructure
Define Authority. Enforce Accountability.
H33 provides post-quantum cryptographic governance for autonomous agents, enterprise systems, and sensitive workflows.
H33-Key — AI Credential Security and Secret-Use Control. A new category, distinct from password managers (storage) and vaults (management). H33-Key lets agents and humans use secrets — API keys, tokens, signing material — without ever exposing them to the terminal, clipboard, logs, screenshots, or AI vision.
Post-Quantum, End-to-End — From NIST Level 1 to Level 5
Don't build post-quantum primitives yourself. H33 exposes the full PQ, FHE, and ZK stack through one authenticated interface. Same primitives. Same audit posture. Production-ready.
Level 1 ~128-bit · Level 3 ~192-bit (H33 default) · Level 5 ~256-bit — ML-DSA, SLH-DSA, FALCON.
See the full NIST stack & tiers → Get API Key → Read the API Spec →The Full Cryptographic Lifecycle.
Eight Layers · One Continuously Attestable Pipeline
H33 continuously preserves institutional cryptographic state — from generation at origin, through encrypted compute, governance, attestation, anchoring, and independent replay.
Enables verifiable tokenization of real-world assets with preserved provenance, authority lineage, privacy, and chain portability.
See the full eight-layer lifecycle →What H33 Governs, Protects, and Verifies
H33 protects sensitive enterprise and AI data during computation while continuously generating cryptographic proof of:
what systems executed · what policies applied · what decisions were made · and whether results can still be independently verified later.
H33 helps enterprises secure AI systems, sensitive data, financial infrastructure, and autonomous agents with post-quantum verification.
Schedule a 30-minute review
Ready to see this applied to your environment?
Schedule an Evidence Architecture Review →Screenshots
Trust operators
SIEM alerts
Audit after incident
Plaintext exposure
Repeatedly move or duplicate large evidence packages
Verification can require access to the original systems
Cryptographic evidence
Independent verification
Deterministic replay
Continuous governance
Zero plaintext exposure
Compact attestations reference separately retained evidence
Evidence designed to survive system changes
What gets proven
Any Size Evidence Package.
One Portable Post-Quantum Proof.
Answer Questions Years Later.
A 12 TB audit package, a million AI decisions, or a decade of compliance evidence can all be reduced to a portable 32-byte commitment inside a 74-byte attestation — while the underlying evidence remains under customer control.
Independently verifiable. No dependency on H33.
Built for banks, governments, healthcare, blockchain, and high-security applications.
3-of-5 threshold decryption🔑 Interactive Shamir demo → · 13 pending patent applications📄 Patent portfolio → · 250+ claims📄 Claim inventory → · 12+ blockchain integrations🔗 Supported chains → · SOC 2 Type II — Report Issued · Prescient Assurance📋 Current audit status → · ISO 27001 — 100% Drata, in final audit📋 Current audit status → · HIPAA via Drata📋 HIPAA posture →
See the triangle? Click it to inspect the evidence behind our claims — measurements, parameters and audit status, each opening its own source.
Built for encrypted AI, post-quantum security, and verifiable enterprise infrastructure.
H33 systems produce cryptographically verifiable audit trails for AI systems, enterprise infrastructure, financial systems, and sensitive data workflows.
Post-quantum continuity infrastructure for systems that must survive migration, replacement, and change.
Preserve verification while keeping evidence private, portable, and independently verifiable.
Most Systems Cannot Prove What Happened.
FHE Signing Gap
Encrypted computation produces results. Signature systems need plaintext. Decrypting to sign exposes data.
Unverifiable Pipelines
Multi-step AI and data pipelines have no cryptographic chain of custody. Every handoff is unsigned.
Lost Provenance
Data flows through systems with no proof of who attested it, how it was routed, or what computation ran.
Traditional logs cannot independently prove what AI systems and enterprise infrastructure actually did.
Most organizations expose sensitive enterprise and AI data during computation, then rely on logs, screenshots, and SIEM alerts after incidents occur. H33 prevents plaintext exposure during AI and enterprise computation while continuously generating replayable cryptographic evidence.
H33 closes all four gaps in a single pipeline.
What happens when AI has no cryptographic accountability
Most AI systems cannot independently prove how decisions were made, what data was processed, or whether operational controls actually executed. As AI gains authority inside enterprises, the ability to independently reconstruct operational behavior is disappearing. H33 provides encrypted AI processing, AI audit trails, compliance verification, fraud prevention infrastructure, and cryptographic operational replay.
Inside the Machine.
Five interoperating subsystems. Multiple patented systems. One replayable operational infrastructure layer. From origin capture to independent verification.
Walk through all five subsystems →From Encrypted AI Processing to Cryptographic Verification
Every AI and enterprise decision becomes cryptographically verifiable audit evidence.
H33 continuously generates cryptographically verifiable audit trails for AI systems, enterprise infrastructure, financial systems, and sensitive operational environments — capturing what executed, what governance rules were active, what runtime produced the result, and whether the outcome can be independently verified later.
H33 combines cryptographic authorization, policy enforcement, privacy-preserving computation, post-quantum attestation, and independent verification to govern critical AI and enterprise operations. Each workflow uses the capabilities required for its purpose while preserving independent security boundaries.
Protected Computation. Customer-Controlled Release.
H33 does not decrypt protected customer data inside H33-operated compute wherever the requested consequence can be performed on protected data. Across supported FHE, biometric, AI/model-input, financial-computation, lookup, tool, cache, and intermediary workflows, computation occurs on protected data, producing a protected or authorized result.
When plaintext release is necessary, the customer explicitly establishes and controls the key and release boundary — preserving the distinction between protected computation and authorized plaintext release.
No unnecessary decryption. No surrendering control of customer data to obtain useful computation.
Total pipeline latency: 1.36ms📐 Full benchmark suite → (H33-128🔒 128-bit NIST L1 →) · Zero plaintext exposure at any stage.
A Small Attestation. A Much Bigger Economic Advantage.
The portable proof primitive powering H33 AIR.
Every H33 engine exports trust through the same primitive: H33-74 — a fixed 74-byte portable attestation, regardless of the size of the evidence it references.
That means organizations can carry a compact cryptographic reference across systems while retaining the underlying evidence separately. At enterprise scale, reducing the information repeatedly transmitted, anchored, or replicated can have significant operational and economic value.
The breakthrough isn’t simply that the attestation is small. It’s what that compact structure makes possible.
Operational and economic value depends on a given workload. H33 publishes no total-cost or storage measurement, and the 74 bytes is the attestation — not the signatures or the evidence package, which are carried separately. See what is and is not counted →
74 bytes regardless of how large the evidence it references is
Moves through APIs, storage, devices, ledgers
Built for family rotation and long-lived verification
Verification does not depend on trusting H33
Evidence survives cloud migration, software replacement, chain migration, model replacement, and vendor change
Sensitive enterprise and AI data remains encrypted throughout processing and verification. The computation happens inside the encryption. The result is post-quantum signed at the moment it's produced. The attestation stays 74 bytes however large the evidence it commits to becomes — so what a system must move and anchor does not grow with it.
Small proof. Massive accountability.
Schedule a 30-minute review
See how H33-74 fits your architecture.
Schedule an Evidence Architecture Review →What Happens If You Chose the Wrong Chain?
Most digital asset systems assume today's blockchain will still be the blockchain of choice ten years from now.
H33-74 separates evidence from any single chain. Assets, approvals, attestations, and audit evidence can be independently verified and re-anchored without losing provenance.
Independently verifiable by anyone, anywhere.
Verification Should Survive Change.
Most systems are portable. Their evidence is not.
H33-74 was designed to survive changes in infrastructure. Organizations replace:
Evidence should not have to start over every time infrastructure changes. H33-74 preserves verification continuity across those transitions.
Reconstruct the Decision.
Who approved it. Why it happened. Who retained responsibility. Years later.
Most systems can tell you what happened. H33 can reconstruct everything around it.
Years later. Independently. Even if the original systems are gone.
Post-Quantum Cryptography and Encrypted Computation API⚙️ Proprietary engine deep-dive →
One API integrates encrypted AI processing, cryptographic verification, post-quantum signing, compliance verification, and replayable audit infrastructure into a single production pipeline.
H33 combines post-quantum security, encrypted AI infrastructure, cryptographic audit trails, and continuous verification into a single API platform — enabling encrypted AI inference, post-quantum authentication, secure transaction verification, and zero-trust operational integrity.
FHE · ZK · Biometrics
BFV · CKKS · TFHE · FHE-IQ
STARK Lookup🛡️ STARK lookup breakdown → · ZKP-AIR
MPC · Agent-74 · PQ Video
All four export trust through H33-74.
AI Blind processes your data without ever seeing it. H33-74 attests the result without decrypting it.
Fast Enough for Inline AI Security and Enterprise Infrastructure📐 Full benchmark suite →
Not a batch job. Not an async queue. Inline, synchronous, every request.
| Mode | Latency | Security | Exposure |
|---|---|---|---|
| H0 (Classical) | 0.8ms | None (quantum-breakable) | Full plaintext |
| H33-128 | 1.36ms📐 Full benchmark suite → | NIST L1🔒 NIST security levels → | Zero |
| H33-256 | 5.98ms📐 Full benchmark suite → | NIST L5🔒 NIST security levels → | Zero |
Why H33 Is Faster Than Expected
A human eye blink takes ~300ms. In that time, H33-128 completes 220 full pipeline authentications.
The Stack Is Ours.⚙️ Proprietary engine deep-dive →
Every engine, every prover, every signature library — built from scratch. No wrappers. No forks. No external FHE or ZK dependencies⚙️ Proprietary engine deep-dive →.
Post-Quantum Security, Encrypted Computing, and AI Governance Products.
H33's cybersecurity products share a common cryptographic governance architecture while addressing different security and operational requirements.
The platform combines post-quantum signatures, encrypted computation, identity and authority controls, zero-knowledge verification, and cryptographic evidence. H33-74 provides compact attestation for supported workflows, enabling independent verification without repeatedly carrying the complete evidence package.
Passwordless, biometric🧬 Biometrics engine deep-dive →, continuous, and invisible authentication — all on encrypted data.
Eleven FHE library members with intelligent routing. BFV adds and multiplies. CKKS runs encrypted ML workloads. TFHE decides. All post-quantum attested.
ZK proofs, quantum-resistant signatures, and blockchain attestation for verifiable trust.
Multi-party computation, PQ video, AI attack detection, and agentic infrastructure.
Full API Service Grid
Enterprise-grade. Formally verified.
PQ Compliance Shipping Now
NIST FIPS 203 (ML-KEM/Kyber) and FIPS 204 (ML-DSA/Dilithium) compliant today🔒 NIST security levels →. NIST FIPS 205 (SLH-DSA/SPHINCS+) compliant today. All three families active in production. All NIST Known Answer Tests passed. FIPS 140-3 self-tests operational.
Constant-time implementations. No branching on secret data. Tested with ctgrind and timing analysis.
Trust, Review, and Deployment
Security
- External crypto review
- 10 findings / 10 resolved📐 See test breakdown by module →
- Reproducible benchmarks📐 Full benchmark suite →
- 8-layer defense in depth
Compliance
- SOC 2 Type II — Report Issued · Prescient Assurance
- ISO 27001 — 100% Drata, in final audit
- HIPAA BAA available
- FedNow in progress
Intellectual Property
- Patent Pending
- #19/645,499
- 250+ patent claims
- 13 pending applications
Quantum Migration Is Not Optional
Classical public-key systems are on a migration clock. H33 is built for the systems that have to survive that transition.
The bigger risk isn't just broken encryption. It's unverifiable operations. AI systems, digital asset platforms, insurers, and enterprises are rapidly losing the ability to independently prove how decisions were made and whether controls actually executed.
The next migration challenge is blockchain migration. Organizations increasingly need cryptographic evidence that survives changes in chains, vendors, models, personnel, and infrastructure. See Continuity Portability →
Harvest Now, Decrypt Later
Nation-states capture encrypted traffic today. When quantum computers arrive, they decrypt everything retroactively.
Every Classical Key Is Vulnerable
Shor's algorithm breaks RSA, ECDSA, and Diffie-Hellman. NIST finalized post-quantum standards in 2024.
Data Shelf Life
Quantum computers expected by 2028–2032. Data encrypted today has a 5–7 year shelf life. Federal deadline: 2030.
H33 = drop-in solution. No infrastructure rebuild.
Existing systems produce logs. H33 produces replayable evidence — every decision can be reconstructed, verified, and tied back to the exact runtime that produced it.
One Cryptographic Lifecycle. Multiple Verification Layers.
One API. Full Trust Pipeline.
Encrypt → verify → prove → attest
- ✓No infrastructure rebuild
- ✓One request for the full stack
- ✓Independent verification downstream
SDKs & Libraries
Built for AI Security, Financial Infrastructure, and Regulated Industries
H33 provides AI security infrastructure for banks, healthcare systems, government systems, blockchain infrastructure, insurance platforms, and regulated enterprise environments — with cryptographic verification infrastructure for AI governance, compliance systems, financial operations, secure transactions, and enterprise security workflows.
Banking
OCC/Fed compliance. Post-quantum key exchange. FedNow ready. Encrypted transaction processing.
Healthcare
HIPAA BAA available. Encrypted biometrics. PHI never decrypted on server. FHE clinical data matching.
Government
FedRAMP planned. NIST FIPS 203/204 compliant today. CMMC alignment. Zero-cryptographic lifecycle.
Legal
Tamper-evident evidence chains. Post-quantum signed attestations. Encrypted document management.
Insurance
Actuarial AI on encrypted data. Fraud detection with zero data exposure. PQ-attested claims processing.
Defense
CMMC compliance. Post-quantum video conferencing. Encrypted multi-party computation for classified workloads.
13 Pending Patent Applications · 250+ Claims · 8 Core Cryptographic Primitives⚙️ Proprietary engine deep-dive →
Thirteen H33.ai patent applications are on file with the USPTO — two parent applications, nine H33 architecture filings, and two Continuation-in-Parts. Eight have issued application numbers (Cachee parent #19/309,560 · Substrate #19/645,499 · Transform-Persistent Acceleration #19/656,024 · Upstream #19/661,294 · TFHE Multi-Engine Routing #19/669,799 · Q-Sign #19/683,841 · Agent-Zero #19/693,384 · H33-Key #19/813,615); five await USPTO number assignment (the Biometric Authentication parent, H33-Root, Stamption, and the two Continuation-in-Parts). All thirteen are pending applications, not granted patents. Each primitive below is filed and independently claimable. Full portfolio →
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Schedule an Evidence Architecture Review →Start Free. Scale Without Rebuilding.
- ✓AI SDKs
- ✓Seamless upgrade to Tier 1
- ✓11 FHE library members
- ✓3 keys
- ✓Priority support
- ✓11 FHE library members
- ✓Multi-region
- ✓Dedicated infrastructure
- ✓White glove
What You Can Build
Six categories of applications that become possible when every computation is provable.
Prove what data an AI model received, what it computed, and what it returned. Independently verifiable.
Run analytics, scoring, and matching on encrypted data. The server never sees plaintext.
Pass KYC, AML, and age verification without exposing personal data. Prove eligibility, not identity.
Reconstruct who had authority, what decision was made, what policies applied, and who retained responsibility — years later, independently.
Every agent in a pipeline cryptographically signs its contribution. No more blame-shifting.
Drop-in post-quantum protection. No key rotation crisis. No infrastructure rebuild.
Frequently Asked Questions
Ship NIST-standard🔒 NIST security levels → post-quantum encryption this afternoon.
We solved the hard part. 1,000 free auths. Full API access. No credit card required.
Run the same verifier used internally to validate HATS attestations and replay continuity proofs. No API key. No vendor trust required.