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Operating-record documentation for recipient review.
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Stefano Zingg
Operating-Record Diligence Package

Stefano Zingg

Digital Assets Infrastructure Operator

Founder & CEO, Union Block LLC (2017–2026). FinCEN MSB principal-operator (2022–2026). This room contains the evidence layers and documents supporting a verifiable institutional stablecoin-settlement track record across US–LATAM corridors.

$302,991,770
Principal volume
2,769
Transactions
292
Customer IDs
54
Wallet entries
MSB
FinCEN registered
First Review
Public packet
Resume, FinCEN registry support, wind-down narrative, and compliance-program overview.
Request Only
Evidence support
References, transaction support, wallet evidence, and internal reconciliation are shared selectively.
Tier 2
Private insights
Deeper operating analytics remain separate from the initial HR or friend-review packet.
01 — Overview

A documented, reconciled operating record.

Union Block LLC (formerly Dige Zingg LLC) operated as a distributed US–LATAM stablecoin settlement network: client-originating corridor partners routed flow into a centralized US-side operating layer for compliance, banking, liquidity-provider routing, treasury settlement, wallet controls, and reconciliation. The figures above are drawn from preserved transaction books for 2023–2026 and are supported by the evidence layers below.

Operating period
Founded 2017 (Cambridge, MA) · Delaware LLC 2020 · FinCEN MSB Nov 2022 · orderly wind-down 2026.
Settlement discipline
Transaction-level reconciliation, bank/on-chain evidence, and settlement workflow documentation retained for diligence review.
Compliance intake
525 CIP form-response records located · 292 customer IDs in transaction books through a documented BSA/AML compliance framework.
02 — Verification Layers

Evidence available on mutual interest.

The record can be verified through multiple independent layers. Status reflects how each is shared.

FinCEN MSB registry confirmation
Principal-operator registration verifiable via the public FinCEN MSB Registrant Search; registration number provided on request.
Publicly verifiable
Public block-explorer wallet activity
Wallet evidence and on-chain settlement history available to verified counterparties.
On request
Wallet screening report
BTC wallet analysis screened 13-Jan-2026 22:42 with full coverage; no source-of-funds or destination-of-funds risk rules triggered. Inflow $182,293.18 · outflow $182,292.92.
On request
Reconciled transaction records
Preserved transaction books with reconciliation detail (2023–2026).
On request
Banking & settlement records
Bank statements and settlement confirmations.
Under NDA
Counsel engagement records
Engagement confirmation from external legal counsel.
On request
Reference contacts
Counterparty and institutional references.
On request
Open private insights → Monthly volume, chain & sector mix, reconciliation & margins
03 — Documents

Package contents.

The resume and first-review documents download directly. Materials that name counterparties or carry transaction-level detail are released on request.

Résumé — BD / Sales / DeFi-DAO Primary document · PDF download HTML PDF ↓
Operating-Record Diligence · Document Register
#DocumentClassificationAccess
00
Index & cover
How to read the packet
Public PDF
01
Résumé — institutional one-page
Headline narrative & timeline
Public PDF
03
FinCEN MSB registration
Public registry lookup · registration # on request
Verifiable PDF
04
References
Clients, counsel, counterparties, banking partners
Confidential Request
05
Transaction summary (anonymized)
By year, channel, protocol, sector
Confidential Request
07
Compliance narrative
BSA / AML framework, compliance ownership, counsel
Public PDF
08
Wind-down explanation
Banking de-risking + margin compression
Public PDF
09
Wallet evidence package
Wallet screening reports, public-wallet evidence, and block-explorer review package
Request-only Request
10
Internal audit review
Internal reconciliation across books, banking, and on-chain records
Request-only Request
04 — Compliance Posture

Federal MSB framework. No enforcement actions.

Operated under a federal MSB compliance framework supported by external legal counsel and risk-review infrastructure.

BSA / AML compliance framework
CIP / KYC / KYB, beneficial-owner review, risk-based screening, KYT transaction monitoring, recordkeeping, and escalation workflows.
Blockchain-risk review
Analytics-assisted wallet and transaction review workflows for settlement-risk decisions.
External counsel
Perkins Coie LLP · Nelson Mullins.
Regulatory record
Federal MSB operating record supported by public registry confirmation and counsel documentation.
Program / FrameworkVersionEffectiveFocus areas
AML/CTF Policy
v.4
May 2023
Written program for customer identification, risk assessment, transaction monitoring, recordkeeping, and escalation — developed under a designated CCO.
Nelson Mullins — AML/CTF Policy Review
memo
Aug 2023
Independent counsel review of the written policy; found robust and addressing key BSA/OFAC requirements, with recommended enhancements.
Perkins Coie — OTC Registration & Licensing Assessment
memo
Sep 2023
FinCEN MSB advisable and already obtained; state money-transmitter licensure not likely required in DE, FL, or WY.
05 — Relationship Categories

Liquidity, banking, and compliance relationships available for review.

Liquidity & rails

Request-only support

Institutional liquidity, exchange, OTC, stablecoin, and payment-rail relationships documented for diligence review.

Banking partners

Request-only support

Banking relationship evidence and settlement-operations support available upon mutual interest.

Compliance & legal

Documented providers

Blockchain analytics, onboarding review, external counsel, and compliance-program support documented in the diligence packet.

06 — References & Contact

Direct line.

A diligence-grade documentation package and reference contacts are available upon mutual interest.

Email
stefanomzingg@gmail.com
Phone
+1 857 200 9823
LinkedIn
linkedin.com/in/stefanozingg
Location
Miami, FL · US citizen · Open to NY