US largest banks met today over Claude AI threat — They think 2030. We're ready now.

Payment Infrastructure for the Post-Quantum Era

Visa moves 24,000 transactions per second and costs a billion dollars a year to operate.

We move a million. For $1.26 million.

And we're the only settlement network on Earth that can't be broken by a quantum computer.

1,000,000+

TPS

$1.26M

Annual Cost

Dual PQC

Protected

Schedule Demo

Market Opportunity

The Largest Unprotected Market on Earth

Every dollar of global payment infrastructure runs on cryptography with an expiration date.

$0.0T

Global payments revenue

Annual

$0.0Q

Payment volume on legacy infrastructure

Annually processed

0

PQC-protected settlement networks

Before QSecure

QSecure is the only settlement infrastructure ready for the post-quantum era. First mover in a market with zero competitors.

Threat Assessment

The Clock is Already Running

Quantum computers will break every cryptographic system protecting today's payments. The question isn't if — it's whether you'll be ready when it happens.

2024

NIST publishes PQC standards

2025

You are here

2029

Earliest Q-Day estimates

2033

Conservative Q-Day window

"Harvest Now, Decrypt Later"

Nation-state actors are intercepting encrypted financial data today — storing it until quantum computers can break it open. Every payment settled on legacy infrastructure is a payment that will be exposed.

This is not theoretical. Intelligence agencies have confirmed active collection programs.

QSecure is post-quantum today. Not on a roadmap. Not in a research paper. In production.

Dual PQC Protection

Two Endpoints. Two Quantum-Proof Shields.

Every payment passes through two independent post-quantum cryptographic barriers. Compromise one — the other still holds.

Payment Enters

Unprotected legacy format

PQC-1 — TRANSPORT

CRYSTALS-Kyber Key Exchange

Post-quantum encrypted tunnel between all nodes

PQC-2 — AUTHENTICATION

CRYSTALS-Dilithium Signatures

Every API call signed per NIST FIPS 204

Settled — Quantum-Proof

Cryptographic proof generated

Architecture

What We Built

Post-quantum secured

Every settlement request is authenticated with CRYSTALS-Dilithium (NIST FIPS 204). Every infrastructure connection runs through post-quantum encrypted tunnels.

Zero public attack surface

The settlement engine has no public IP address. Not firewalled — absent from the internet entirely. You cannot hack what you cannot reach.

Proven identical

Every validator independently executes every transaction and arrives at the same cryptographic state root. Mathematically verified across validators on four continents.

Purpose-built infrastructure

Not a blockchain looking for a use case. A complete payment settlement network that processes, settles, and cryptographically proves every payment.

Benchmarks

Numbers That End Meetings Early

QSecurePQC
VisaSWIFTUPI
Transactions per second1,000,000+24,0005008,000
Settlement finality< 1 hour2-3 days1-3 daysEnd of day
Annual infrastructure cost$1.26M$1B+$500M+$100M+
Cost per million transactions$0.0001$2,100+$25,000+$500+
Post-quantum secure
Post-quantum upgrade pathProduction todayNo plan disclosedNo plan disclosedNo plan disclosed
Cryptographic settlement proof
Public internet exposureNoneFullFullFull
Open source & auditable11,700 linesClosedClosedClosed

Defense in Depth

Six Reasons an Attacker Gives Up

Most payment systems have one layer of security: a firewall and a prayer. QSecure has six layers. Each independent. Compromise one, five remain.

InfraTransportAuthBFTVerifyZK
01

Carrier-Grade Infrastructure

Purpose-built data centers across 8 global regions. Not cloud VMs. Not rented racks. Designed by engineers with 25 years of enterprise network security experience including Cisco carrier-grade deployments.

02

Post-Quantum Encrypted Transport

Every connection between every node runs through encrypted tunnels with post-quantum key exchange. Settlement traffic never touches the public internet. BGP hijacks, man-in-middle attacks, packet inspection — all irrelevant.

03

Post-Quantum API Authentication

Every settlement request is cryptographically signed with CRYSTALS-Dilithium, the NIST post-quantum digital signature standard. A quantum computer powerful enough to break every other blockchain's security cannot forge a single QSecure settlement.

04

Byzantine Fault Tolerant Consensus

80 validators across 8 data centers. An attacker must simultaneously compromise 27 validators in 3 entire data centers to affect a single settlement. Every transaction is certified by a cryptographic supermajority before it settles.

05

Optimistic Settlement Verification

Every settlement batch is monitored in real-time by dedicated verification infrastructure. Fraudulent batches are detected and reverted before finality. Legitimate settlements finalize faster than any wire transfer.

Roadmap06

Mathematical Verification

Zero-knowledge validity proofs. Not trust. Not reputation. Not hardware. Pure mathematics proving every settlement is correct.

Payment Flow

How Payments Actually Move

A customer pays. A merchant gets paid. What happens in between shouldn't require a PhD to understand.

1

Payment

200 milliseconds

Customer authorizes payment through any interface — mobile, web, terminal, API. The QSecure Payment Gateway in their region processes it instantly.

2

Confirmation

500 milliseconds

Merchant sees confirmed payment. Funds are committed. Business continues.

3

Settlement

1-2 seconds

Payment is batched with others and settled on the QSecure Settlement Engine. 80 validators reach consensus. Cryptographic proof generated.

4

Finality

< 1 hour

Settlement verified, finalized, irreversible. Cryptographic receipt available for audit. Faster than any credit card settlement. Faster than any wire transfer.

Use Cases

Built for Institutions, Not Retail

Banks

Replace your core settlement engine. Same control model — your infrastructure, your operators. Better technology — BFT consensus, cryptographic proofs, post-quantum security.

Payment Processors

Handle Visa-scale volume at a thousandth of the infrastructure cost. Every settlement produces a cryptographic proof. Your compliance team will thank you.

Central Banks

Sovereign settlement infrastructure that doesn't depend on foreign technology, foreign cloud providers, or foreign key management. Deploy in your jurisdiction.

Enterprises

Treasury operations with settlement finality in under an hour instead of T+2. Cross-border payments that don't route through SWIFT.

Technical

The Technical Foundation

For the engineers in the room.

ConsensusNarwhal DAG-BFT with Bullshark ordering. Same protocol family powering Sui (Mysten Labs). Implemented from scratch in Rust. Not forked.
Data AvailabilityNarwhal Certificates of Availability. Every transaction batch is proven available on a supermajority of validators before consensus orders it.
ExecutionSender-partitioned parallel execution across all available cores. Linear scaling with hardware.
StatePersistent storage with write-ahead logging, crash recovery, and Merkle proofs for every account.
CryptographyEd25519 transaction signatures. BLS12-381 block certification. Blake3 hashing. CRYSTALS-Dilithium post-quantum authentication.
Codebase11,700 lines of Rust. 10 crates. 161 tests. An auditor reads the entire protocol in a weekend.

Results

What We've Proven (Not Projected)

Live infrastructure. Measured results. Zero asterisks.

40,000 tx/s

Ingestion throughput

0.00%

Cost reduction vs Visa

0x

Throughput vs Visa peak

0%

Transaction success rate

120,000+

Test transactions

2+ hours continuous

Validator uptime

78-120 MB per validator

Memory footprint

161 tests, 0 failures

Test coverage

Urgency

The Cost of Waiting

Payments settled on vulnerable infrastructure since you opened this page

0

Every one of those transactions is a future liability.

Quantum computing isn't theoretical. Google, IBM, and nation-states are racing to build machines that break current cryptography. NIST didn't publish post-quantum standards because they were bored.

Every payment settled today on legacy infrastructure is a payment that will need to be re-secured tomorrow. Every year of delay is another year of settlement data vulnerable to "harvest now, decrypt later" attacks.

QSecure is post-quantum today. Not on a roadmap. Not in a research paper. In production.

Open Source

Security through obscurity is not security. The complete settlement protocol is open source.

Read every line. Run every test. Reproduce every benchmark.