EY Blockchain

EY Blockchain is the blockchain technology division of Ernst & Young (EY), one of the world's largest professional services firms. Operating as a specialized business unit within EY, EY Blockchain focuses exclusively on delivering enterprise-grade blockchain solutions built on public Ethereum infrastructure with privacy-enabled technology.

Core Products and Services

EY Blockchain offers a comprehensive suite of SaaS blockchain solutions designed for enterprise adoption. Their flagship products include:

• EY OpsChain platform suite (Contract Manager, Traceability, ESG) for supply chain management, contract automation, and carbon emissions tracking
• EY Blockchain Analyzer tools (Reconciler, Smart Contract & Token Review) for blockchain data querying, reconciliation, and smart contract security assessment
• Privacy technology including Nightfall (zero-knowledge roll-up) and Starlight (ZKP compiler) contributed to the public domain
• Core Component APIs for tokenization, NFT creation, notarization, and private smart contract deployment

Key Strengths and Technology Leadership

EY Blockchain is recognized as a pioneer in privacy-enabled blockchain solutions for enterprises. Their unique approach combines the transparency and security of public blockchains with zero-knowledge proof technology to maintain business confidentiality. Key technological innovations include:

• Nightfall: A zero-knowledge roll-up that enables private transactions on Ethereum, reducing ERC20 token transaction costs by up to 3.5x while maintaining privacy
• Starlight: An open-source ZKP compiler that allows developers to mark Solidity smart contracts for privacy and compile them into full ZKP-enabled applications
• Enterprise-grade infrastructure: Built to address InfoSec and cybersecurity expectations of financial institutions with 24/7 solution availability

Led by Paul Brody, EY Global Blockchain Leader, the team has positioned Ethereum public blockchain as "the digital glue binding together business ecosystems." Their solutions address the critical need for business privacy on public blockchains while maintaining the benefits of decentralization, immutability, and transparency.

Notable Recognition and Industry Impact

EY Blockchain has received significant industry recognition, including the Best Smart Contract Initiative award at the Digital Assets Awards 2025 for their EY OpsChain Contract Manager tool. The division has pioneered several firsts in enterprise blockchain:

• First to contribute major privacy protocols (Nightfall, Starlight) to the public domain
• Collaboration with Polygon on Nightfall updates for blockchain privacy
• Integration with major blockchain networks including Ethereum, Polygon, and Celo
• Real-world enterprise deployments across supply chain management, ESG reporting, and contract management

Service Delivery and Integration

EY Blockchain operates as a SaaS platform provider with API-first architecture, enabling seamless integration with existing enterprise systems. Their solutions support:

• Multiple blockchain networks (Ethereum, Polygon, EVM-compatible chains)
• Flexible pricing tiers (Free/Trial, Basic, Enterprise) based on transaction volume
• Standard support and SLAs for enterprise clients
• Integration with Electronic Data Interchange (EDI) messages and legacy systems

Beyond software products, EY Blockchain provides professional services including blockchain consulting, implementation support, tax advisory for digital assets, financial statement audit services for blockchain companies, and smart contract security review services.

Why Choose EY Blockchain

EY Blockchain uniquely combines the credibility and global reach of one of the Big Four professional services firms with cutting-edge blockchain innovation. Their privacy-first approach solves the fundamental challenge preventing enterprise blockchain adoption: maintaining business confidentiality on public networks. With proven use cases in supply chain traceability, carbon credit tracking, and contract management, EY Blockchain enables enterprises to leverage blockchain's benefits without sacrificing privacy, compliance, or security requirements.