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QuantChainAnalysis
Identity-Bound Blockchain Intelligence
Wallet Rotation — Detected
BLOCKED
Biometric identity carries across wallets
Identity Anchor
Biometric
Not address — not device — not IP
Pre-Mempool Gate
ACTIVE
Enforcement before chain broadcast
Identity-Bound Blockchain Intelligence

Blockchain fraud stops
before it reachesthe chain.

QuantChainAnalysis is the world's first system that binds a human biometric identity to every blockchain transaction — before it is broadcast. Fraudsters cannot rotate wallets, change devices, or hide behind pseudonymity. Their risk follows them, always.

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The Problem

Every existing system
looks backwards.

Blockchain analytics today analyses transactions that have already settled — irrevocably, on the public ledger. By then it is too late. Funds are gone. Wallets are rotated. Identities have vanished. QCA intercepts the threat before it ever reaches the mempool.

PROBLEM 01
Pseudonymity Is the Loophole — Not the Feature
Every blockchain analytics platform today treats the wallet address as the unit of identity. A bad actor generates a new wallet in seconds. All prior risk history resets to zero. The industry has no answer to this. QCA does — because it binds to a biometric identity that cannot be regenerated or transferred.
$3B+ lost to blockchain fraud annually — perpetrators rarely identified
PROBLEM 02
Retrospective Analysis Cannot Prevent Fraud
All existing blockchain risk platforms flag transactions that have already settled on-chain. The money has moved. By the time a compliance officer sees the alert, the trail is cold and the funds are layered through mixers. QCA operates pre-mempool — the transaction is evaluated and gated before it is ever broadcast.
Average time-to-detect for on-chain fraud: 72+ hours post-settlement
PROBLEM 03
Risk Scoring Treats Every Transaction in Isolation
Classical compliance systems assign a risk flag per transaction based on static rules. They do not accumulate knowledge about a person across time and wallets. A known fraudster with a fresh wallet looks identical to a new legitimate user. QCA's quantum amplitude evolution engine remembers — across all wallets, all chains, all time.
Wallet rotation defeats 100% of address-based compliance tools
PROBLEM 04
Biometric KYC Requires a Biometric Database — Until Now
Every existing biometric identity solution requires a centralised biometric database — a catastrophic privacy liability under GDPR and a single point of failure for attackers. QCA uses a cryptographic commitment scheme where no raw biometric data is stored anywhere, yet identity is fully verifiable by law enforcement under court authority.
GDPR fines for biometric data breaches: up to 4% of global annual revenue
Solutions by Audience

One system.
Every stakeholder.

QCA is not a single product — it is an intelligence layer that speaks directly to the distinct needs of exchanges, investigators, compliance officers, and the builders of decentralised applications.

Exchanges & Custodians
Law Enforcement
Compliance & Regulators
DeFi & Web3 Builders
Private Investigators

Stop fraud at the
withdrawal gate,
not after settlement.

For every centralised exchange and custody provider, the highest-risk moment is a withdrawal. Today's tools review withdrawals retrospectively — they flag suspicious transactions that have already left the platform. QCA intercepts them before broadcast, binding every high-risk withdrawal to a verified biometric identity.

  • Pre-broadcast risk gate activated only for elevated-risk transactions — zero friction for 95% of users
  • Wallet rotation evasion is cryptographically impossible — a fraudster's risk score follows their biometric identity, not their wallet address
  • OFAC sanctions screening with biometric binding — know exactly who is behind every flagged address
  • Court-admissible forensic ledger records for every gated transaction — timestamped, hash-chained, tamper-evident
  • No raw biometric database — full GDPR compliance by cryptographic design, not policy
Withdrawal Attempt — Risk AnalysisHIGH RISK
User: [biometric bound] — Wallet: 0xNew7f3a…
Same biometric nullifier detected across 3 prior wallet addresses flagged for mixer interaction. Amplitude evolution: HIGH. Gate: BLOCK. Forensic record written.
9.2
Risk Score /10
BLOCKED
Gate Decision
+0.41
Interference Uplift
Withdrawal Attempt — Risk AnalysisLOW RISK
User: [biometric bound] — Wallet: 0xAlice9d…
First-time wallet, but biometric history shows 14 months of low-risk activity. Evolved amplitude state: clean. Gate: PASS — no friction applied to legitimate user.
1.4
Risk Score /10
PASS
Gate Decision
14mo
Identity History

A forensic trail
no suspect
can erase.

Every QCA-gated transaction creates an append-only, hash-chained forensic record on the distributed ledger. With a court order and independently obtained biometric evidence, law enforcement can recompute the one-way nullifier and surface every transaction session ever associated with a subject's biometric identity — across every wallet they ever used.

  • One-way law enforcement nullifier — recomputable from biometric evidence, stored nowhere centrally
  • All prior wallets, sessions, and transactions surfaced from a single biometric cross-reference query
  • Hash-chained tamper-evident records — admissible in court, self-verifiable by defence counsel or any third party
  • Quantum amplitude state hash links each record to the exact risk profile at the moment of the transaction
  • Works without cooperation from any exchange or platform operator
Forensic Ledger QueryCOURT ORDER
Nullifier cross-reference — SHA3-256(NIR ‖ wallet_seed)
Matched 7 wallet addresses across 3 exchanges. 23 gated transaction sessions. 4 HIGH risk events. Complete amplitude state history. Chain integrity: verified.
7
Wallets Linked
23
Sessions Found
Chain Intact
Forensic Evidence RecordCOURT ADMISSIBLE
Ledger record — Block 19,443,201
Commitment: a3f9…c12d. Nullifier: 7b2e…f908. Amplitude state: d44a…1c7f. Prev hash: 8e3b…a021. Self-verifiable by any party. No central authority required.
GDPR
Compliant
Zero
Biometric Storage
Court
Admissible

KYC that knows
the person,
not the address.

Every regulatory framework from FATF to MiCA to the EU Transfer of Funds Regulation requires that financial institutions know who their customer is — not just which wallet they are using today. QCA is the first system that delivers genuine, biometric-grade customer identity on any blockchain, with zero raw biometric data stored and full compliance with GDPR, CCPA, and equivalent frameworks.

  • FATF Travel Rule — biometric identity travels with the transaction, not just wallet metadata
  • MiCA compliance — risk-score-conditional gating aligns with Article 68 transaction monitoring requirements
  • GDPR Article 9 — no biometric data stored in any form; the cryptographic commitment is not personal data
  • OFAC sanctions — real-time sanctions cluster proximity scoring across 10 risk dimensions simultaneously
  • Complete audit trail — every gated transaction produces a hash-chained, timestamped, regulator-ready record
Transaction Compliance StatusCOMPLIANT
Identity verified · Risk scored · Ledger record created
Biometric commitment computed within TEE. No raw data stored. Sanctions distance: 1.00 (clean). KYC identity bound to transaction hash. FATF Travel Rule: satisfied.
GDPR
Compliant
FATF
Travel Rule
MiCA
Art. 68
Regulatory Audit ExportAUDIT READY
All gated transactions — hash-chained — regulator-ready
Complete ledger exportable with chain integrity proof. Every record: wallet, commitment hash, risk score, risk tier, event type, timestamp, amplitude state hash. Zero biometric records in existence.
100%
Tamper-Evident
0
Biometric Records
Networks

Stop exploits
before they hit
the mempool.

Flash loan attacks, rug pulls, and sandwich attacks all share one characteristic — they reach the chain before any existing system can stop them. QCA is the missing pre-broadcast enforcement layer. Integrate via REST API to score any proposed transaction before your protocol accepts it. Ten risk dimensions scored simultaneously, with interference amplification for co-occurring threats.

  • Flash loan detection via event topic signatures — Aave, dYdX, Uniswap Flash patterns
  • Mixer proximity scoring — Tornado Cash and known mixing cluster detection
  • Large token approval detection — infinite approval patterns flagged automatically
  • Bytecode anomaly scoring — unverified contracts and known exploit patterns
  • Simple REST API — integrate in minutes, no smart contract changes required
Flash Loan Attack — InterceptedBLOCKED
Flash loan + mixer + unverified contract — simultaneous
Quantum interference: flash loan amplitude (1.0) × mixer amplitude (1.0), coupling J=0.40 → composite uplift +0.40. Risk score 8.7. Transaction blocked before mempool entry.
8.7
Risk Score
+0.40
Interference
PRE
Mempool
API IntegrationREST
POST /analyze/auto — responds in <500ms
Send wallet + tx_hash. Receive risk_score, risk_tier, gate_decision, amplitude_vector, signals_detected, commitment_hash, nullifier. Plug into any signing or broadcast flow.
<500ms
Response
REST
Protocol
Any EVM
Chain

Follow the person,
not the wallet
they left behind.

Private investigators, financial intelligence units, and blockchain forensics professionals face one fundamental problem: bad actors change wallets as easily as changing shoes. Every address-based investigation restarts from zero. QCA collapses this evasion strategy entirely. One biometric nullifier surfaces every wallet, every session, and every transaction ever linked to that human identity.

  • One nullifier query returns all wallets ever used by a subject — no matter how many were rotated
  • Amplitude state history shows exactly how risk evolved across every session — a timeline of behaviour, not just a transaction list
  • Sanctions cluster distance scored in real time — proximity to OFAC-listed addresses quantified numerically
  • All records self-verifying — any third party can recompute the chain integrity proof independently
  • No cooperation required from any platform or exchange — the ledger is public and tamper-evident
Subject InvestigationHIGH PRIORITY
Biometric nullifier → 5 wallets → 3 exchanges → 47 sessions
Identity first seen: March 2024. Mixer interaction: confirmed. Sanction cluster distance: 0.15. Wallet rotation attempts: 4. Amplitude evolution: escalating. Latest risk score: 9.1.
5
Wallets Linked
0.15
Sanction Distance
9.1
Current Risk
Wallet Rotation — DetectedEVASION ATTEMPT
New wallet 0xBf3d… — same biometric nullifier
Amplitude evolution operator applied from 3 prior HIGH-risk sessions. New wallet inherits full risk history. Gate: BLOCK. Evasion attempt recorded permanently on forensic ledger.
BLOCKED
Gate Decision
DETECTED
Rotation
LEDGER
Evidence
How It Works

Five steps from
transaction to decision.

QCA intercepts every proposed transaction before it reaches the blockchain mempool. The entire pipeline runs in under 500ms — invisible to compliant users, decisive against threats.

STEP 01
Biometric Capture
NIR eye scan and fingerprint captured within a Trusted Execution Environment. No raw data leaves the TEE. Ever.
TEE BOUNDARY
STEP 02
Cryptographic Commitment
HMAC-SHA256 commitment computed. SHA3-256 nullifier derived. BLAKE2b-256 session ID. Zero biometric storage — mathematically impossible to reverse.
PRIVACY PRESERVED
STEP 03
ψ
Quantum Risk Scoring
Ten on-chain signals mapped to Hilbert space amplitudes. Co-occurring threats interfere constructively — amplifying the composite score beyond any linear system.
10 DIMENSIONS
STEP 04
Identity Evolution
Prior biometric sessions loaded from on-chain ledger. Amplitude evolution operator applied. Risk profile accumulated across all wallets, chains, and sessions.
WALLET-ROTATION PROOF
STEP 05
Gate Decision & Ledger
Transaction passed or blocked before mempool. Forensic record written to hash-chained ledger. Court-admissible. Self-verifiable by any party.
PRE-MEMPOOL
Why QCA

Not analytics.
Prevention.

QCA introduces three capabilities that do not exist anywhere else in the world today. Not as improvements on existing approaches — as entirely new categories of protection.

CAPABILITY 01
Pre-mempool enforcement — a category that did not exist before
Every existing risk and compliance platform reads the blockchain after transactions settle. QCA is the first system to intercept and gate a transaction before it is broadcast. The distinction is not incremental — it is the difference between preventing financial crime and documenting it. Prevention is the only outcome that matters to victims.
→ The gate exists before the chain does
CAPABILITY 02
Biometric-bound quantum risk evolution — persistent identity in a pseudonymous world
Risk profiles in QCA are bound to a human biometric, not a wallet address. They evolve over time using a quantum amplitude operator that accumulates evidence from every prior session. A fraudster who generates a new wallet does not get a clean slate — they inherit every signal from every wallet they have ever used. This is a fundamental inversion of the current paradigm.
→ Identity follows the person, not the address
CAPABILITY 03
Zero biometric storage with full law enforcement access — solved simultaneously
These two requirements have never been satisfied simultaneously before. GDPR demands that no biometric data be stored. Law enforcement demands that identity be traceable. QCA satisfies both through a one-way cryptographic nullifier: law enforcement with a court order and biometric evidence can recompute the nullifier independently. No back door. No database. No compromise.
→ Privacy and accountability — not a trade-off
Capability Address-based analytics Document KYC QuantChainAnalysis
Pre-mempool enforcement
Biometric identity bindingPartial
Wallet rotation resistance
No biometric database required
Law enforcement nullifier mechanism
Quantum interference risk scoring
Court-admissible forensic ledgerPartial
GDPR compliant by cryptographic designPartial
Blockchain agnostic — any networkPartial
Persistent identity across sessions
Live Demonstration

Run a real
risk analysis now.

Enter any Ethereum wallet address and transaction hash to run a live quantum amplitude risk analysis against real on-chain data. Use manual mode to explore signal combinations and see interference effects.

Input — Transaction Signals
Auto — Live Chain
Manual — Demo
Tx Lookup
Output — Awaiting Analysis
ψ

Submit a wallet and transaction hash
to begin quantum amplitude analysis.

Privacy & Compliance

Identity verified.
Privacy preserved.

QCA is the only blockchain compliance system that simultaneously satisfies the needs of law enforcement (irrefutable identity), regulators (full audit trail), and individuals (zero biometric data stored anywhere in the world).

01
No biometric database — anywhere
Raw biometric data never leaves the Trusted Execution Environment. The cryptographic commitment that is stored is mathematically impossible to reverse into the original biometric — verified by construction, not policy.
02
Law enforcement access without a back door
With a court order and independently obtained biometric evidence, investigators recompute the one-way nullifier and cross-reference every on-chain session. No platform cooperation needed. No back door exists for anyone without the biometric evidence.
03
Identity follows the person — not the wallet
Every legitimate user benefits from a continuous, portable identity that travels with them across wallets, chains, and platforms — without ever exposing their biometric data to any party, anywhere.
Regulatory Framework Alignment
GDPR Article 9 (biometric data)Compliant
FATF Travel RuleSatisfied
EU MiCA — Article 68Aligned
OFAC Sanctions ScreeningReal-time
CCPA (California)Compliant
6AMLD Anti-Money LaunderingAligned
Forensic court admissibilityVerified
Centralised biometric storageNone — by design
// Intelligence Feed
The problems QCA solves
are in the news today.
QuantChainAnalysis Intelligence
Blockchain · Compliance · Regulation
Updated live

Every headline below is a case where pre-mempool biometric gating would have changed the outcome. QCA exists precisely for the world these stories describe.

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Live Sources: CoinTelegraph · Decrypt · CryptoNews · The Block  |  Refreshes every 5 minutes
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The sharpest instrument
in blockchain compliance
is waiting for you.

QuantChainAnalysis is available for integration discussions with exchanges, financial intelligence units, regulatory bodies, law enforcement agencies, and blockchain infrastructure providers. Enterprise licensing and government procurement frameworks available.

QCA v2.2 · quantchainanalysis.com| Backend: connecting…| Ledger: —|