Fundz

Coinbax Raises $4.2M in Seed Funding to Enhance Stablecoin Payments Infrastructure, Led by BankTech Ventures.

PRIVATEDec 22, 2025

Amount Raised

$4.2 Million

Round Type

Seed

EssexFinanceFintechBlockchainCryptocurrency

Investors

Springtime VenturesBankTech VenturesConnecticut InnovationsPaxos

Description

Coinbax has secured $4.2 million in seed funding to develop institutional-grade programmable controls for stablecoin payments. The round was led by BankTech Ventures and includes participation from various industry leaders. This funding will accelerate development and support new integrations within financial institutions. Coinbax aims to make stablecoins a core part of banking infrastructure.

Quick answer

Coinbax raised $4.2 Million in a Seed round, dated December 22, 2025. Investors: Springtime Ventures, BankTech Ventures, Connecticut Innovations and Paxos. Coinbax is based in Essex, Connecticut, United States.

How much did Coinbax raise?
Coinbax raised $4.2 Million in a Seed round on December 22, 2025.
Who invested in Coinbax?
Springtime Ventures, BankTech Ventures, Connecticut Innovations and Paxos are named as investors in this round.
What does Coinbax do?
Coinbax enables stablecoin payments and escrow through smart contracts with built-in risk controls and reversibility.
Where is Coinbax based and how big is it?
Coinbax is based in Essex, Connecticut, United States. Fundz records about 3 employees.
Who are the decision-makers at Coinbax?
Fundz holds 1 contact at Coinbax, including the Founder and CEO. Names and contact details are shown to Fundz members.

Source: Fundz verified event record.

Who else raised in Finance and Fintech around the same time

Companies in the same sectors as Coinbax that raised within 45 days of this round, from Fundz verified event records.

  • Mesh raised $75M (Funding Round) on January 27, 2026.
  • Obita raised $30M (Seed) on January 12, 2026.
  • Architect raised $35M (Series A) on December 25, 2025.
  • Chaince Digital Holdings raised $6.1M (Funding Round) on December 22, 2025.
  • Trustyfy raised $6.8M (Seed) on December 15, 2025.
  • MetaComp raised $22M (Pre-Series A) on December 9, 2025.

Who to call at Coinbax, and when

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Company Information

Company

Coinbax

Location

Essex, Connecticut, United States

About

Coinbax enables stablecoin payments and escrow through smart contracts with built-in risk controls and reversibility. We serve banks, corporates, and fintechs with institutional solutions for B2B payments, cross-border transactions, and trade finance. Our platform builds the trust layer that stablecoins need to scale effectively.

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Related People

1 contact
Verified contactsPeter G., Founder and CEO hiddenSee plans and pricing
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Coinbax raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.

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Fundz is a real-time business intelligence platform powered by agentic AI that proactively delivers personalized daily signals, including funding rounds, executive changes, M&A activity, 13F institutional filings, SEC 8-K events, investor activity, and website modifications, based on each user's watchlist and ICP. A trusted data source at firms such as BlackRock, Oracle, Kleiner Perkins, LinkedIn, HubSpot, and Cloudflare, Fundz democratizes the institutional-grade intelligence that previously required a PitchBook or Bloomberg terminal. Features include Daily Briefing for AI-powered daily briefings, and unified cross-signal alerts across 281,000+ organizations. Developers and data teams can access these signals programmatically via the Fundz Funding Data API, with transparent published pricing.