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Alta, a financial technology firm developing blockchain infrastructure for regulated financial institutions, has raised $47.5 million in a Series A funding round led by Index Ventures, with Google Ventures among the participating investors. The funding will support its efforts to develop blockchain technology designed to connect global financial institutions, digital assets and traditional payment networks.
The round also attracted investment from Blackbird Ventures, Square Peg and Capital 49. It follows a $32.5 million seed round, bringing Alta’s total funding to $80 million.
Alta targets institutional demand for blockchain infrastructure
Alta is developing institutional-grade blockchain infrastructure designed to enable financial assets and products to move across borders, networks and jurisdictions instantly and programmatically.
The company is positioning its technology for regulated financial institutions, distinguishing it from blockchain infrastructure primarily developed for crypto-native applications. Its platform is designed to address institutional requirements around privacy, regulatory compliance, neutrality and operational reliability while supporting transactions involving different asset classes and blockchain networks.
The approach reflects the need for financial infrastructure that can accommodate the growing use of digital assets without overlooking the governance and compliance obligations of established financial institutions.
Zero-knowledge cryptography underpins Alta’s architecture
At the core of Alta’s blockchain architecture is recursive zero-knowledge cryptography, a technology that allows transactions to be verified without exposing sensitive underlying information.
The system is designed to keep institutional balances, transaction details, identities and compliance policies private while still allowing participating parties to establish that transactions satisfy relevant rules.
This architecture seeks to address a central challenge in institutional blockchain adoption: enabling the transparency and verification required for financial transactions while protecting confidential business and customer information.
By incorporating privacy-preserving verification into its infrastructure, Alta aims to provide financial institutions with a framework for using blockchain technology within regulated operating environments.
Airwallex adopts Alta technology for global payments connectivity
Global payments company Airwallex has signed up to use Alta’s technology, connecting its international payments infrastructure to the platform.
The collaboration will support pay-ins and pay-outs through stablecoins, alongside connectivity to local fiat payment networks across 200 countries and 90 currencies.
The arrangement brings together blockchain-based settlement capabilities and established fiat payment infrastructure, with the aim of supporting cross-border financial transactions across multiple markets.
For Airwallex, the integration provides a connection between stablecoin-based payment flows and local currency networks, as financial institutions and payment companies explore ways to make international settlement more flexible.
Alta co-founder highlights the role of stablecoins in programmable payments
Jack Zhang, CEO of Airwallex and a co-founder of Alta, said the development of agentic banking and programmable payments is increasing the importance of stablecoins in financial settlement.
“With the rise of agentic banking and programmable payments, stablecoins are becoming an important vector for settlement. Financial institutions need blockchain infrastructure that is private, neutral, regulated, and connected to global fiat rails. Alta is building exactly that.”
The $47.5 million raise gives Alta additional backing to develop infrastructure aimed at bridging blockchain-based financial activity with traditional payment systems. Its focus on privacy, compliance and fiat connectivity places institutional requirements at the centre of its approach to expanding the use of blockchain in global finance.
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