Building a Stablecoin Remittance Platform for the US-Latin America Corridor

How a fintech startup partnered with Antier to launch a compliant stablecoin-powered remittance platform enabling faster, lower-cost cross-border payments between the United States and Latin America.
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Project background context at a glance

Confidentiality

Confidential

Client details protected under signed NDA
Duration

Jan 2024 – June 2025

18 Months
Headquarters

Austin, Texas, USA

Serving the US–LATAM corridor
Service

End-to-End Build

Blockchain Consulting · Licensing Strategy · Product Roadmapping · Development

Scope of engagement

In late 2023, a fintech entrepreneur with prior experience in international banking approached Antier with a clear but ambitious vision: build a stablecoin-powered remittance platform designed to serve the high-volume US-to-Latin America payment corridor.

The primary focus was the Mexican and Colombian immigrant communities across Texas and Florida, where cross-border transfers are frequent but costly.

Traditional remittance services were charging 5–7% per transaction, with settlement often taking two to three business days. The client believed that stablecoins could dramatically improve this model by enabling near-instant settlement and significantly lower fees.

The concept was compelling.

The client was unaware that operating a stablecoin remittance platform in the US requires a FinCEN MSB registration at the federal level and individual Money Transmitter Licenses (MTLs) in each state where users are onboarded. This discovery fundamentally reshaped the project timeline and budget.

However, while the client had already incorporated a Delaware C-Corp and prepared an early 40-page concept document, several critical elements were missing:

A regulatory strategy for operating a cross-border remittance platform in the United States

A scalable technical architecture capable of handling blockchain-based settlement

A compliance framework for AML and KYC monitoring

A realistic development timeline and launch roadmap

The client initially estimated the platform could be launched in six months. One of Antier's first responsibilities was to provide a realistic roadmap for turning the concept into a compliant, production- ready fintech product.

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Client Challenges

But turning this idea into a real product wasn't as simple as it sounded. Several technical, regulatory, and operational challenges had to be addressed before the platform could launch.

Expensive Remittances

Traditional providers charge 5-7% fees for cross-border transfers.

Slow Settlement

Transactions often take 2-3 business days to complete.

Regulatory Barriers

Launching a remittance platform requires FinCEN registration and state licenses.

Complex Infrastructure

Governance, security and compliance frameworks support scalable, long-term adoption.

Project Execution Roadmap

Phase 1: Discovery And Consultancy

January 2024 - February 2024
The engagement began with a structured discovery process designed to validate the project across technical, regulatory, and commercial dimensions. Antier conducted a two-day remote workshop with the client to analyze the initial concept and identify potential risks.

Feature scope reduction

The original concept included multiple advanced features:
DeFi integrations
Governance token issuance
Merchant payment APIs
Loyalty reward programs
Cross-border remittance functionality
Antier recommended focusing Phase 1 exclusively on the core remittance engine and user wallet, postponing additional features until after market validation. This reduced both regulatory complexity and development risk.

Regulatory Gap Identification

The client initially believed that incorporating a Delaware entity would allow nationwide operations. Antier clarified that operating a remittance platform requires:
FinCEN Money Services Business (MSB) registration
Money Transmitter Licenses (MTLs) in each operating state
This discovery significantly reshaped the project timeline and compliance strategy.

Phase 1 Deliverables

At the end of the discovery phase, Antier delivered a Consultancy Output Report, including:
Regulatory gap analysis
Recommended Phase 1 product scope
High-level technical architecture
Estimated development timeline
Licensing strategy prioritizing key states
This report became the operational blueprint for the project.

Phase 2: Regulatory Pathway & Licensing

March 2024 - July 2024
Given the complexity of US payment regulation. Antier collaborated with specialized fintech regulatory counsel to guide the licensing process.

Federal Registration

The first step was registering the company as a Money Services Business with FinCEN. The process was completed within six weeks, allowing the client to establish a federal compliance baseline and begin developing AML monitoring systems.

State Licensing

The client’s primary user base was concentrated in:
Texas
Florida
Illinois
The Texas licensing process required:
Audited financial statements
Business plan documentation
Surety bond (amount determined based on projected transaction volume)
Executive financial disclosures
AML/KYC program documentation
Texas approved the license in September 2024, followed by approvals in Florida and Illinois later in the year.

Strategic Market Entry Decision

New York’s BitLicense process was intentionally deferred due to its complexity and typical review timeline of 12–24 months. Instead, Antier recommended launching first in Texas and Florida, where the target user base was strongest.

Phase 3: Business Analysis And Scope Lock

April 2024 - June 2024
While licensing applications were under review, Antier’s Business Analysis team conducted detailed requirement workshops covering:
User flows and transaction logic
Third-party integrations
Admin panel design
Compliance monitoring workflows
Infrastructure and uptime requirements
A total of 14 structured requirement sessions were conducted.

Key Product Decisions

The first step was registering the company as a Money Services Business with FinCEN. The process was completed within six weeks, allowing the client to establish a federal compliance baseline and begin developing AML monitoring systems.

BA Phase Deliverables

The BA phase concluded with:
A prioritized development backlog
Signed Software Requirements Specification (SRS)
87 user stories with acceptance criteria

Phase 4: Development

July 2024 - February 2025

Development began with a cross-functional team of 11 engineers, including backend developers, blockchain engineers, mobile developers, frontend specialists, and DevOps engineers.

The team operated on two-week agile sprints, with regular demonstrations for the client.

Platform Architecture

The system was built using a microservices architecture designed to support scalability and regulatory monitoring.

Technology Stack

Blockchain:Blockchain

Backend::

Mobile Applications:

Admin Dashboard:

Database:

Caching Layer:

Infrastructure:

Development Challenge: Architecture Reset

Three weeks into development, Antier’s senior blockchain architect identified latency risks in the initial smart contract design. The architecture was redesigned using Solana program-derived addresses and escrow logic, improving transaction reliability. The redesign added approximately two weeks to the schedule, but prevented larger issues during later testing.

Third-Party Integration Delays!

Integration with the KYC provider took longer than expected due to undocumented sandbox rate limits. A caching solution was implemented to stabilize verification requests.

Phase 5: Security Audit and Quality Assurance

March 2025 - April 2025

Once development was completed, the platform entered a structured testing and security review phase. Testing included:
Functional testing
Regression testing
Compliance validation
Performance testing
A third-party security firm conducted a smart contract audit. The audit found no critical vulnerabilities and two medium-severity issues, both resolved within five days.

Performance Results

Load testing confirmed the platform could process:
150 concurrent transactions without latency degradation, exceeding projected launch demand

Phase 6: Pilot Launch

May 2025

A controlled pilot was launched with 500 invited users across Texas and Florida.
Transaction limits were initially set at:
$500 per transaction

$2,000 per month

Pilot Performance

During the four-week pilot period:

2,340 transactions were processed

$410,000 in remittance volume

Average settlement time: 38 seconds

Average fee: 1.2%

Traditional remittance providers in the same corridor typically charge 5–7% per transfer.

Phase 7: Full Public Launch

June 2025
The platform opened for public registration in June 2025, approximately 18 months after the initial discovery phase.
Within the first two weeks:
1,800 verified users onboarded
$900,000+ in cross-border transactions processed

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Project Timeline Summary

PhasePeriodKey deliverable
Discovery And ConsultancyJan 2024 - Feb 2024Regulatory analysis & architecture
LicensingMar 2024 - Jul 2024FinCEN MSB + MTL applications
Business AnalysisApr 2024 - Jun 2024SRS + backlog
DevelopmentJul 2024 - Feb 2025Platform build
Security AuditMar 2025 - Apr 2025Smart contract audit
Pilot LaunchMay 2025500 users, $410K volume
Public LaunchJune 20251,800 users

Outcomes And Key Metrics

18 Months

Full engagement duration

5FinCEN MSB + TX, FL, IL

Average Transaction Fee

1.2%

Average transaction FEE

5-7%

Industry Average Fee

~75%

Fee Reduction

38 seconds

Settlement Time

1800+

Users After Launch

$900000+

Volume in First Two Weeks

Closing Reflection

This project demonstrates the realities of building regulated fintech infrastructure. Launching a stablecoin - powered payment platform involves far more than software development. Regulatory compliance, licensing strategy, architecture design, and operational readiness all play equally critical roles.

Antier’s early consultancy engagement proved decisive. By reframing the client’s expectations and designing a viable regulatory and technical roadmap, the team helped transform an early-stage concept into a compliant cross-border remittance platform capable of processing real transactions. Eighteen months after the initial discovery phase, the platform successfully launched and began serving its first users across the United States – Latin America corridor.

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