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RankShield Network · Financial

Verify the paymentbefore the money moves.RankShield Financial is a verifiable, pre-settlement payment verification platform. It checks the intent behind every transaction — payer, payee, amount, and purpose — and proves a human or an authorized AI agent approved it, before funds settle on an irreversible rail.

ml-dsa-65 signedrail-agnosticagent-aware
RankShield Network · pre-settlement ledger
RTP $48,500 invoice · acct ••42anchored ✓
AGENT $1,200 ap_7f3 · vendoranchored ✓
WIRE $96,000 “CEO” call · livenessheld · deepfake
FEDNOW $7,310 payroll · acct ••08anchored ✓
USDC 500.00 0x9f…c1 → 0x2a…7eanchored ✓
AGENT $9,900 ap_1c8 · over-limitheld · authority
verified BEFORE settlementml-dsa-65 · anchored
Why now

On instant rails, fraud is final in seconds.

The money is moving to rails that don’t reverse. Real-time and tokenized payments — RTP, FedNow, stablecoins, tokenized deposits — settle with finality in seconds, which means a scammer, a deepfaked executive, or a hijacked AI agent only has to be believed once. Fraud tools built for card chargebacks score the transaction after it happens. On these rails there is nothing to claw back.

The deepfake wire

A cloned CEO authorizes a $96,000 wire

Finance gets a call. The voice is the CEO’s — cloned from a keynote. The instructions are urgent and specific. By the time anyone doubts it, an irreversible payment has settled.

RankShield: liveness check on the app’s own verified channel flags synthetic voice; the intent is held, not released.
The rogue agent

An AI payment agent drifts past its limits

An autonomous agent paying vendors is prompt-injected into sending nine payments to a new counterparty — each just under a human-review threshold.

RankShield: the agent’s signed constitution caps per-transaction and aggregate spend; out-of-authority payments are held automatically.
Final
Instant-rail payments (RTP, FedNow) settle with irrevocable finality — no chargeback, no reversal.
2026
Nacha’s expanded fraud-monitoring rules push verification earlier in the payment flow.
FIPS 204
ML-DSA, the NIST post-quantum signature standard RankShield signs every intent with.
What makes it different

Four properties no fraud-scoring tool combines.

RankShield Financial is defined by what it does before settlement, not by a risk score it returns after.

Pre-settlement

verify before release

Every payment is verified before it settles on an irreversible rail — the intent is signed, checked, and either released or held. Not scored after the fact.

Agent-governed

constitutional spend control

Autonomous AI payment agents carry a signed identity and a constitution: per-transaction and aggregate limits, allowed counterparties and purposes, expiry, and a dead-man’s switch.

Quantum-safe

ml-dsa-65 · fips 204

Each authorization is signed with post-quantum cryptography in a hybrid, crypto-agile design — protecting records against harvest-now-decrypt-later collection.

Verifiable

check it yourself

Every decision produces an independently verifiable attestation sealed to a tamper-evident record. You don’t have to trust the score — you can check the proof.

The pipeline

What happens in the moment before settlement?

Every payment intent passes through four steps before any money is allowed to move. The whole pipeline runs in the authorization path, in the milliseconds between a payment being requested and a rail being told to release it — and it produces a signed record you can check afterward.

The intent is reduced to a canonical record and signed with post-quantum cryptography, then checked against the payer’s identity, the liveness verdict, and — for an AI agent — its granted authority. A release-or-hold decision is sealed into an independently verifiable attestation and anchored to a tamper-evident record on the RankShield Network. Only then is the rail told to settle. If any check fails, the payment is held, not released, and the reason is on the record.

01

Sign

The payment intent is reduced to a canonical record and signed with post-quantum ML-DSA-65.

02

Verify

Signature, identity, liveness and agent authority are checked against the granted mandate.

03

Seal

A release or hold decision is produced with a signed, independently verifiable attestation.

04

Anchor

The decision is sealed to a tamper-evident record on the RankShield Network — before settlement.

The proof

Don’t trust the verdict. Verify it.

Anyone can claim a payment was approved. RankShield lets you prove it. Each intent is reduced to a canonical record and signed; the attestation binds that exact payer, payee, amount, and purpose. Change one field and the seal breaks. Recompute the digest yourself in your browser — nothing here is faked.

Attestation verifier · run it yourself
canonical: rs-fin-intent-v1|rail=RTP|payer=acct-04f2|payee=acct-1180|amount=4850000|purpose=invoice-2261|nonce=e2e-7c19a3
Agentic payments

How do you give an AI agent money without giving it a blank cheque?

Autonomous agents are starting to move real money — paying vendors, rebalancing, settling invoices. An agent that is prompt-injected or drifts off task can drain an account one under-the-threshold payment at a time. RankShield gives every payment agent a signed identity and a constitution: hard limits on per-transaction and rolling spend, an allow-list of counterparties and purposes, an expiry, and a dead-man’s-switch heartbeat.

Before any agent-initiated payment settles, the intent is checked against that granted authority. A payment that exceeds a limit, pays an un-permitted counterparty, or comes from an agent that has gone silent is held automatically — no human has to catch it in time. Try the authority check on the right: change the amount, the counterparty, or the heartbeat and watch the verdict flip.

agent ap_7f3 · signed constitutionml-dsa-65
rolling aggregate · 24h$20,000 / $25,000
RELEASEDintent ⊆ authority · signed · released
Quantum-safe by construction

Why sign payments with post-quantum cryptography now?

A cryptographically relevant quantum computer does not exist yet — but a forged signature on an instant, irreversible payment would settle permanently, and authorization records collected today could be broken later. That harvest-now-decrypt-later risk is why RankShield signs every intent with ML-DSA-65, the NIST FIPS 204 standard, alongside a classical signature in a hybrid, crypto-agile design.

Crypto-agility is the real moat: the platform can rotate the signature algorithm — ML-DSA-65 to ML-DSA-87 to the hash-based SLH-DSA — without breaking past proofs, so it can follow the standards as they evolve. It is quantum-safe by construction, not quantum-proof; no one can promise the latter. Switch algorithms on the right and see the sizes and assurance levels change.

signing algorithm · crypto-agility registryrotatable
standard
FIPS 204
security level
NIST Level 3
public key
1,952 B
signature
3,309 B

Default. Lattice-based. Civilian / HVA / EU-hybrid grade.

every signature is independently verifiable against the NIST standard — rotating the algorithm doesn’t break past proofs.
Rail-agnostic

One verification, every rail.

RankShield normalizes each rail into a single canonical intent, so the same pre-settlement check protects money wherever it moves — and survives the rail war that’s reshaping payments. The future of money movement is not one winner; it is many instant, irreversible, tokenized rails running at once. A verification layer bolted to a single rail breaks the moment value hops to another.

RTP and FedNow arrive as ISO 20022 instant credit transfers; stablecoins and on-chain transfers arrive as address-to-address moves in minor units; tokenized deposits and CBDCs arrive in their own formats. RankShield collapses all of them into one canonical intent — the same payer, payee, amount, and purpose model — so a single signature path, a single verdict model, and a single tamper-evident record apply everywhere. Bet on the rail’s properties (instant, irreversible, programmable), not on any one ticker, and the verification survives whichever rail wins.

RTPFedNowStablecoinTokenized depositCBDCOn-chain
Post-hoc scoring vs pre-settlement proof

Why we outpace conventional fraud detection.

Fraud-scoring platforms were built for reversible card rails and answer a different question: how risky is this? RankShield answers a harder one: can we prove this exact payment was authorized — before it’s final?

DimensionConventional fraud scoringRankShield Financial
Decision timingRisk score, often post-authorizationVerified before settlement
OutputProbability of fraudSigned, verifiable attestation
Irreversible railsBuilt for card chargebacksBuilt for finality (RTP, stablecoin)
AI payment agentsNot modeledSigned identity + spend governance
Quantum postureClassical signaturesPost-quantum ML-DSA-65 (FIPS 204)
Independently checkableBlack-box modelYes — verify the proof yourself
Your data stays yours

Verification without exposure.

RankShield verifies payments without becoming a new honeypot. Account references are keyed and de-identified, never stored in the clear; the same account looks different to an observer on every transaction. Signing keys live in hardware, releases require an M-of-N quorum, and the ledger holds commitments, not your customers’ account numbers.

HMAC-keyed
account references de-identified under a secret pepper
HSM keys
signing keys never leave hardware
M-of-N
no single key can release a payment
No PII
the ledger stores commitments, not accounts
One verifiable network

How does RankShield Financial fit the bigger picture?

RankShield Financial is one pillar of the RankShield Network — a single verifiable trust fabric that also secures devices, websites, healthcare, and legal systems. Every pillar shares the same architecture: sign what happens, verify it, seal it to a tamper-evident record, and let anyone check the proof.

For payments, that shared fabric means threat signals learned on one part of the network can protect the rest, identities are portable, and the same post-quantum, independently verifiable attestation model applies whether you are stopping a cloned-executive wire, governing an autonomous payout agent, or proving a stablecoin transfer settled exactly as it was authorized. The ownable claim across all of it is the same: not “trust us,” but “verify it yourself.”

Verify
every decision produces a proof you can independently check
Quantum-safe
post-quantum ML-DSA-65 signing, crypto-agile by design
One network
shared trust fabric across every RankShield pillar
FAQ

Pre-settlement payment verification — questions, answered.

What is pre-settlement payment verification?
Pre-settlement payment verification is the act of confirming that a payment is legitimate before money moves on an irreversible rail — instead of scoring it for fraud after the fact. RankShield Financial verifies the intent of each transaction (payer, payee, amount, and purpose), confirms a real human or an authorized AI agent approved it, and seals that decision to a tamper-evident record. On instant and tokenized rails like RTP, FedNow, and stablecoins, settlement is final in seconds, so verification has to happen before release, not after.
How is this different from fraud scoring tools like Featurespace or Sardine?
Conventional fraud tools assign a risk score to a transaction, usually optimized for card networks and often evaluated after authorization. RankShield Financial is built for irreversible rails where there is no chargeback: it produces a cryptographically signed, independently verifiable attestation that a specific intent was approved by a specific identity, then holds the payment if that proof is missing or fails. The difference is verifiable interception before settlement versus a probability score, and rail-agnostic coverage versus card-first.
Does RankShield Financial hold or move my money?
No. RankShield Financial is not a wallet, custodian, or payment processor and never takes custody of funds. It sits in the authorization path as a verification and attestation layer: it issues a release or hold decision and a signed record of why, which your bank, processor, or settlement system enforces. Your existing rails move the money; RankShield proves the payment was meant to happen.
What makes it quantum-safe?
Every payment intent is signed with post-quantum cryptography — ML-DSA-65, the NIST-standardized signature scheme from FIPS 204 — alongside classical signatures in a hybrid, crypto-agile design. That protects the integrity of authorization records against a future quantum computer and against harvest-now-decrypt-later collection today. RankShield is quantum-safe by construction, not quantum-proof: no one can promise that, but the signing layer is built to the current post-quantum standard and can rotate algorithms as standards evolve.
Can it govern autonomous AI payment agents?
Yes. Each AI payment agent is issued a signed identity and a constitution that bounds what it may do — maximum per transaction, rolling aggregate limits, allowed counterparties and purposes, and an expiry. Before any agent-initiated payment settles, RankShield checks that the intent falls inside that authority and that the agent is still alive via a heartbeat (a dead-man’s switch). An agent that exceeds its limits, pays an un-permitted counterparty, or goes silent has its payments held automatically.
Which payment rails does it support?
RankShield Financial is rail-agnostic. It normalizes RTP, FedNow, stablecoin, tokenized-deposit, CBDC, and on-chain transfers into a single canonical intent so the same verification applies everywhere. That matters because the future of money movement is fragmenting across instant and tokenized rails, and a verification layer tied to one rail breaks the moment value moves to another.
How does RankShield keep our payment data private?
The platform is designed not to become a new honeypot. Account references are de-identified with a keyed HMAC under a secret pepper, then stored as nonce-bound commitments, so the same account looks different on the ledger for every transaction and cannot be correlated by an observer. Signing keys live in a hardware security module, releasing a payment requires an M-of-N quorum so no single key is enough, and the ledger stores commitments rather than account numbers. These are salted commitments — a building block that zero-knowledge systems use — not full zk-SNARK proofs.
Is RankShield Financial available today?
The verification platform is built and proven, and it is rolling out with design partners on instant and tokenized rails; there is no public self-serve signup yet and no live production rail integration is claimed. If you run payments at a bank, fintech, stablecoin issuer, custodian, or treasury, request access and we will map the platform to your settlement flow. RankShield Financial is one pillar of the broader RankShield Network.
Does it replace my existing fraud tools?
No — it complements them. Behavioral fraud scoring answers “how risky does this look?”, which is useful across the customer lifecycle. RankShield answers a different, harder question at the moment of payment: “can we prove this exact intent was authorized by this identity, before it settles?” You can keep your scoring stack and add a verifiable, pre-settlement attestation on irreversible rails where a wrong answer cannot be reversed.
Verify, then settle

See your payments verified before they settle.

RankShield Financial is rolling out with design partners on instant and tokenized rails. Request access and we’ll map it to your settlement flow.

Request accessHow it works