Every critical action leaves a receipt.
Issue, attest, approve, fund: each is timestamped, attributable, and ready when someone asks for evidence.
Count crypto as reserves. Pledge it as collateral. Prove both on‑chain.
DAVC Network is the verification and collateral-control layer for crypto in mortgage lending. Certificates let lenders count custodied crypto toward reserves. Tri-party control agreements let borrowers pledge it against a mortgage, marked to market until payoff.
Reserve certificate
CERT-7A3F-0412 · Borrower B-2041
Active
- Custodian A 1.80 BTC
- Custodian B 24.0 ETH
| Asset | Oracle price | Haircut | Eligible |
|---|---|---|---|
| BTC Tier 1 | $64,210 | −10% | $104,020 |
| ETH Tier 2 | $3,105 | −15% | $63,342 |
- Eligible value
- $167,362
- Required reserve
- $150,000
Eligible value covers the required reserve.
Crypto counted as reserves, verified continuously.
A DAVC certificate lets a lender count a borrower's custodied crypto toward reserve requirements. It stays live, revalued against oracle prices and the latest signed attestation, and it says so the moment coverage falls short.
-
Signed custody attestations
The custodian's registered operator submits balances signed with a registered key. Increasing nonces reject replays, expired attestations are refused, and one borrower can hold across several custodians.
-
Valued certificates
Issued only against valid attestations. Holdings cannot exceed attested balances, and USD value is computed on-chain from oracle prices less asset-tier haircuts, against the required reserve.
-
Continuous re‑verification
Certificates are revalued as prices and attestations change: deficient when eligible value falls below the reserve, active again when it recovers, closed at expiry.
-
Compliance queue
Loan files, KYC exceptions, deficiency alerts, and audit export. Approve or fund with a full trail of who did what and when.
Crypto pledged as mortgage collateral, under a control agreement.
The borrower keeps their crypto with a qualified custodian. A tri-party control agreement gives the lender control over it, and the chain keeps score from pledge to payoff.
-
Lender proposes
Names the pledged assets, the loan they secure, the LTV thresholds, and the cure period.
-
Borrower accepts
Signs the terms on-chain. The crypto stays with the qualified custodian, not the lender.
-
Qualified custodian acknowledges
Its registered operator confirms the assets are locked under the agreement. Control is now in place.
Loan-to-value, watched continuously
LTV = loan balance ÷ eligible value eligible value = market value × (1 − tier haircut)
52% Within thresholds
Loan $400,000 · Eligible $769,231
- Healthy 0–70%
- Warning 70–80%
- Margin call 80–90%
- Liquidation ≥ 90%
-
Mark to market
Collateral is revalued continuously from oracle prices, less a haircut set by asset tier, against the outstanding loan balance.
-
Margin call
Crossing the margin-call threshold opens a call with a cure deadline. A custodian-attested top-up cures it.
-
Default
A call still open past its deadline moves the position to defaulted. Nothing liquidates on its own.
-
Liquidation
The lender instructs. The custodian executes and confirms proceeds, which are recorded as a payment on the loan.
-
Release
On payoff, the lender releases the collateral and the custodian's lock comes off.
Built for people who get audited.
Lenders set terms. Custodian operators sign attestations and confirm control. Compliance closes exceptions. Admins export the pack when someone asks for proof.
-
Certificates
Issue, revalue, and revoke verification certificates. Status moves between active and deficient as coverage changes, and closes at expiry. Only authorized issuers can mint them.
-
Custody
Custodian registration is governance-gated. Each custodian signs with registered keys through a registered operator; nonces and expiries stop replays and stale balances. Multi-custodian by design.
-
Collateral control
Tri-party agreements, collateral positions, margin calls with cure deadlines, liquidation instructions, and release, each tied to the loan and recorded on-chain.
-
Pricing & haircuts
Oracle prices carry a maximum age, so a stale feed fails closed. Eligibility and haircuts are set per asset tier as protocol parameters, not negotiated per file.
-
Loans & funding
Application checklist through funding. Escrow and loan modules only move after compliance approval and certificate checks, and liquidation proceeds post as loan payments.
-
Audit trail
Actor, timestamp, and chain receipt on the actions that matter. Export a pack when someone asks for evidence.
A certificate is re-verified as prices and attestations change. When coverage slips, it says so.
Signed, proven, and on the record.
The checks a diligence reviewer asks about each have a mechanism behind them: a registered custodian key, a zero-knowledge threshold proof, and a receipt for every critical action.
Only the custodian's key can vouch for a balance.
Attestations are secp256k1-signed by a key the custodian registered, and submitted by its registered operator. Strictly increasing nonces reject replays; expired attestations fail closed.
Prove the threshold, not the balance.
Groth16 zero-knowledge proofs, verified on-chain, let a borrower show holdings clear a required amount without publishing positions or wallet balances.
A work queue for each role.
Role-based work queues for brokers, lenders, custodian operators, and compliance.
The dashboard demo walks through these role queues. Try the demo
What is built, and what is planned.
We keep the line between shipped and planned visible. Planned items are not available today, and their scope and timing will move with pilot feedback.
-
Now
BuiltIn the protocol today
- Verification certificates for crypto counted as reserves
- Custody attestations signed by registered custodian keys, with replay protection
- Continuous re-verification, with deficient and restored states
- Tri-party collateral agreements, LTV monitoring, margin calls, and custodian-executed liquidation
-
Next
PlannedNot yet available
- Integrations with qualified custodians
- GSE and MISMO-aligned data export
- SOC 2 readiness
- Pilots with mortgage lenders
-
Later
PlannedNot yet available
Institutional digital-asset lending marketplace
- Rate negotiation between lenders and borrowers
- Posting lend and borrow availability
- Overnight and term loans
- Recalls and returns
Request a pilot.
Technical briefings for lenders and custodians on reserve certificates and crypto collateral control, plus pilot onboarding. The request opens a short pre-filled email: who you are, and what you want to test.