Web3 Banking Solutions: Engineer the Future of Finance
Launch secure, compliant, and scalable digital asset platforms that redefine banking.
From DeFi lending to cross-border payments, we build the infrastructure for the new financial era.
Trusted by Global Leaders and Innovative Startups






Why Build Your Web3 Banking Platform with Errna?
Traditional finance is being redefined. We provide the expertise, security, and strategic partnership to ensure you lead the transformation, not just adapt to it. We turn complex blockchain potential into tangible business value.
Fortress-Grade Security
We implement multi-layered security protocols, conduct rigorous smart contract audits, and integrate AI-powered threat detection to protect digital assets and ensure platform integrity from day one.
Regulatory Compliance First
Navigate the complex regulatory landscape with confidence. Our solutions are built with KYC/AML integration, data privacy controls, and compliance-by-design to meet global financial standards.
AI-Powered Insights
Leverage our AI expertise for advanced fraud detection, risk assessment, and personalized customer experiences. Gain a competitive edge with data-driven intelligence unique to your platform.
Proven Enterprise Scalability
Our solutions are engineered for high-throughput and low latency, ready to handle enterprise-level transaction volumes. We build robust, cloud-native infrastructure that grows with your user base.
20+ Years of Expertise
Since 2003, we've delivered over 3000 successful projects. Our CMMI Level 5 maturity and deep industry experience mean we deliver reliable, high-quality solutions on time and on budget.
End-to-End Strategic Partnership
We are more than developers; we are your strategic partners. From initial concept and tokenomics to deployment, maintenance, and marketing, we support you through the entire lifecycle.
Dedicated 24/7 Support
Your operations are critical. We provide round-the-clock support and maintenance services to ensure your platform runs smoothly, offering peace of mind for you and your users.
Seamless System Integration
Our solutions are designed to integrate flawlessly with your existing core banking systems, legacy infrastructure, and third-party APIs, ensuring a smooth transition and unified operations.
Future-Proof Architecture
We build modular, interoperable systems that can adapt to the rapidly evolving Web3 landscape. Your platform will be ready for cross-chain functionality and emerging DeFi innovations.
Our Comprehensive Web3 Banking Solutions
We offer a complete suite of services to design, build, and scale your decentralized finance initiatives. Whether you're a startup or an enterprise, we have the tools to bring your vision to life.
Digital Asset Custody Solutions
Securely manage and store a wide range of digital assets with our institutional-grade custody platforms, featuring multi-signature wallets, hardware security modules (HSMs), and robust policy controls.
- Develop MPC and multi-signature wallets for enhanced security.
- Integrate hardware security modules (HSMs) for cold storage.
- Implement customizable access control and transaction policies.
DeFi Lending & Borrowing Platforms
Create decentralized money markets where users can lend their assets to earn interest or borrow assets by providing collateral. We build these platforms with dynamic interest rate models and robust liquidation mechanisms.
- Build smart contracts for asset pooling, lending, and borrowing.
- Integrate price oracles for accurate collateral valuation.
- Design and implement automated liquidation systems to manage risk.
Yield Farming & Staking Platforms
Launch platforms that allow users to stake their tokens or provide liquidity to earn rewards. We design tokenomics and smart contracts that incentivize participation and drive platform growth.
- Develop staking contracts with customizable reward structures.
- Create liquidity pool contracts for automated market makers (AMMs).
- Build intuitive dashboards for users to track their earnings and manage assets.
Tokenization of Real-World Assets (RWA)
Convert illiquid assets like real estate, art, or private equity into tradable digital tokens on the blockchain. This unlocks liquidity, enables fractional ownership, and opens up new investment opportunities.
- Create regulatory-compliant security tokens representing real-world assets.
- Develop platforms for the issuance, management, and trading of tokenized assets.
- Ensure legal and technical frameworks for asset verification and ownership transfer.
Crypto-Friendly Core Banking Systems
Upgrade or build new core banking infrastructure that natively supports digital assets. We enable seamless management of both fiat and crypto accounts, transactions, and reporting within a single, unified system.
- Integrate crypto wallets and ledgers into traditional banking cores.
- Develop modules for crypto-based savings, loans, and investment products.
- Ensure full auditability and regulatory reporting for all digital asset activities.
Web3 Payment Gateways
Enable businesses to accept cryptocurrency payments seamlessly. Our gateways handle real-time conversions, manage wallet interactions, and provide detailed transaction reporting for easy reconciliation.
- Integrate with e-commerce platforms and point-of-sale systems.
- Support multiple cryptocurrencies and stablecoins.
- Provide options for instant settlement in fiat currency to mitigate volatility.
Cross-Border Payment Solutions
Drastically reduce the cost and time of international transactions using blockchain. Our solutions bypass traditional correspondent banking networks, offering faster, cheaper, and more transparent cross-border payments.
- Utilize stablecoins or cryptocurrencies as a bridge for instant settlement.
- Build platforms with real-time FX rates and transparent fee structures.
- Ensure compliance with international payment regulations.
Stablecoin & CBDC Development
Develop and launch your own fiat-collateralized stablecoins or support Central Bank Digital Currency (CBDC) initiatives. We provide the complete technical and operational framework for issuance, redemption, and governance.
- Design and implement smart contracts for minting, burning, and freezing tokens.
- Build reserve management and auditing dashboards for transparency.
- Ensure robust security and compliance for asset-backed tokens.
Blockchain Infrastructure Management
We set up and manage the foundational infrastructure for your Web3 applications, including validator nodes, RPC endpoints, and cloud deployment, ensuring high availability, performance, and security.
- Deploy and maintain nodes on various blockchain networks.
- Optimize cloud infrastructure on AWS, Azure, or Google Cloud for blockchain workloads.
- Implement comprehensive monitoring and alerting for network health.
Wallet Development (Custodial & Non-Custodial)
Create secure and user-friendly mobile, web, or desktop wallets for your users. We develop both custodial solutions for ease of use and non-custodial wallets for full user control over their assets.
- Implement multi-factor authentication and biometric security.
- Integrate with DeFi protocols and dApps via WalletConnect or similar standards.
- Design intuitive user interfaces for sending, receiving, and managing assets.
KYC/AML & Compliance Integration
Integrate robust identity verification (KYC) and transaction monitoring (AML) systems into your platform. We help you meet regulatory requirements and prevent illicit activities, building trust with users and regulators.
- Integrate with leading KYC/AML service providers.
- Develop on-chain analytics tools for transaction monitoring.
- Implement risk-scoring models for users and transactions.
Decentralized Identity (DID) Solutions
Empower users with self-sovereign identity solutions. DIDs reduce reliance on centralized identity providers, enhance user privacy, and streamline onboarding processes while maintaining compliance.
- Build systems for issuing and verifying W3C-compliant Verifiable Credentials.
- Create identity wallets for users to manage their digital credentials.
- Enable passwordless authentication and secure data sharing.
Smart Contract Development & Audit
Our experts write clean, optimized, and secure smart contracts for your platform's core logic. We also provide independent, third-party auditing services to identify vulnerabilities and ensure code integrity.
- Develop contracts in Solidity, Rust, or other relevant languages.
- Conduct comprehensive testing, including unit, integration, and security tests.
- Perform manual and automated code analysis to detect potential exploits.
AI-Powered Fraud Detection
Go beyond traditional rule-based systems with our AI and machine learning models. We analyze on-chain and off-chain data in real-time to detect suspicious patterns, prevent fraud, and protect your ecosystem.
- Train machine learning models to identify anomalous transaction behavior.
- Develop real-time alerting systems for your security and compliance teams.
- Continuously update models to adapt to new fraud vectors.
Web3 Banking Analytics Dashboards
Gain deep insights into your platform's performance with custom analytics dashboards. We track key metrics like Total Value Locked (TVL), transaction volume, user growth, and protocol revenue to inform your business strategy.
- Integrate on-chain data indexers like The Graph.
- Build real-time visualizations for key performance indicators (KPIs).
- Provide tools for user segmentation and cohort analysis.
Our Proven Path to Your Web3 Launch
We follow a structured, transparent, and collaborative process to transform your vision into a market-ready product, ensuring alignment and quality at every stage.
1. Discovery & Strategy
We dive deep into your business goals, target market, and regulatory requirements to define a clear product roadmap and technical architecture.
2. Design & Prototyping
Our UI/UX experts design intuitive interfaces and create interactive prototypes, focusing on user experience and security from the outset.
3. Agile Development
We build your platform in iterative sprints, providing regular demos and incorporating your feedback to ensure the final product meets your exact specifications.
4. Rigorous Testing & Audit
Our QA team conducts comprehensive testing, while smart contracts undergo independent security audits to guarantee a secure and bug-free launch.
5. Deployment & Support
We manage the full deployment process and provide ongoing maintenance and 24/7 support to ensure your platform operates flawlessly post-launch.
Real-World Impact: Our Success Stories
We don't just build technology; we deliver measurable business outcomes. Explore how we've helped organizations like yours launch successful Web3 financial platforms.
Reducing Cross-Border Settlement Time by 95% for a Global Bank
Industry: Enterprise Banking
Client Overview: A top-tier international bank was struggling with slow, expensive, and opaque cross-border payment processes that relied on a complex network of correspondent banks. They needed a solution to improve efficiency and reduce operational costs.
"Errna's blockchain solution has fundamentally changed our international settlement process. What used to take days now takes minutes, and the transparency is unparalleled. They are true experts in enterprise blockchain."
- Head of Innovation, Major European Bank
Key Challenges:
- Settlement times of 3-5 business days.
- High transaction fees due to multiple intermediaries.
- Lack of real-time visibility into payment status.
- Complex reconciliation processes across different systems.
Our Solution:
We designed and implemented a private, permissioned blockchain network using Hyperledger Fabric. The solution involved creating a U.S. dollar-backed stablecoin for instant settlement between the bank's international branches.
- Developed smart contracts to automate payment processing and compliance checks.
- Built a shared, immutable ledger for real-time tracking of all transactions.
- Integrated the blockchain solution with their existing core banking and SWIFT systems.
- Provided a comprehensive dashboard for treasury and compliance teams to monitor network activity.
Our Technology Stack & Tools
We use a battle-tested, best-in-class technology stack to build secure, scalable, and high-performance Web3 banking solutions.
What Our Clients Say
Our success is measured by our clients' success. Here's what they have to say about partnering with Errna.

"The security audit Errna performed on our smart contracts was incredibly thorough. Their team identified critical vulnerabilities we had missed, saving us from a potential disaster. Their expertise is top-notch."

"We needed to launch our payment gateway fast, but couldn't compromise on compliance. Errna delivered a fully compliant, production-ready solution in under six months. Truly impressive project management and execution."

"Integrating blockchain into our legacy banking system seemed like an impossible task. Errna's team created a seamless integration plan and executed it flawlessly. Their understanding of both TradFi and DeFi is exceptional."
Recognized for Excellence and Quality
Our commitment to quality and innovation is recognized by leading industry bodies and platforms.






Meet Our Web3 Finance Experts
Our team consists of seasoned blockchain architects, cybersecurity specialists, and financial technology veterans dedicated to your success.

Akeel Q.
Manager, Certified AI & Machine Learning Specialist, Cloud Solutions Expert

Prachi D.
Manager, Certified Cloud & IoT Solutions Expert, AI Solutions Expert

Joseph A.
Expert Cybersecurity & Software Engineering
Frequently Asked Questions
Have questions? We have answers. Here are some of the most common inquiries about our Web3 banking solutions.
Security is our top priority. We employ a multi-faceted approach that includes: writing secure, battle-tested code; conducting rigorous internal and external smart contract audits; implementing multi-signature and MPC wallet technologies; integrating AI for real-time threat detection; and adhering to best practices like the principle of least privilege. Our ISO 27001 and SOC 2 certifications further attest to our commitment to security.
We have extensive experience integrating with leading third-party KYC/AML providers to ensure your platform meets regulatory standards. We build our solutions with compliance-by-design, incorporating features for transaction monitoring, risk scoring, and reporting. Our team stays current with evolving global regulations to provide informed guidance throughout the development process.
The timeline varies depending on the complexity of the project. A Minimum Viable Product (MVP) for a DeFi application or payment gateway can often be launched in 4-6 months. A more complex, enterprise-grade platform with extensive integrations may take 9-12 months or longer. We work with you to define a realistic roadmap based on your specific goals and priorities.
Absolutely. We specialize in system integration. We build custom APIs and middleware to connect your new Web3 platform with your existing core banking systems, CRM, and other legacy software. Our goal is to ensure a seamless flow of data and operations, creating a unified experience for your team and customers.
Ready to Build the Future of Finance?
Let's discuss how our Web3 banking solutions can help you create new revenue streams, enhance security, and deliver unparalleled value to your customers. Schedule a free, no-obligation consultation with our experts today.
Get Started NowLet's Start a Conversation
Whether you have a detailed project plan or just an initial idea, our team is ready to help you explore the possibilities of Web3 banking. Reach out to us to begin your journey.
Email: info@errna.com
Phone: +1-855-673-0247