Card Access: Crypto Card FinTech Management Platform

ERS TECH developed a comprehensive Crypto Card FinTech System designed to simplify digital asset management, card operations, and financial administration through an integrated web-based platform.

The solution combines two major components: a centralized Admin/Mediator Portal for managing companies, users, cards, balances, commissions, settlements, and system operations; and a User Website that enables customers, sellers, and referral partners to manage their cards, fund balances, review transactions, complete identity verification, and track earnings.

The platform brings multiple financial workflows together within a unified environment, helping businesses manage complex card operations while providing users with a convenient interface for everyday financial activities.

By combining card management, cryptocurrency deposits, transaction monitoring, reconciliation, referral management, and security controls, the system provides a flexible foundation for operating a modern crypto card program.

The growing adoption of cryptocurrency and digital payments has created demand for platforms that connect digital assets with practical payment solutions.

However, operating a crypto card program involves more than issuing cards. Businesses must manage corporate clients, user onboarding, identity verification, card configurations, funding operations, transaction records, processor settlements, commissions, and internal financial transfers.

Managing these activities across disconnected systems can increase operational complexity and make financial tracking more difficult.

ERS TECH addressed this need by developing an integrated platform that connects administrative controls with customer-facing card and wallet management features.

The system was designed to support multiple companies, administrative roles, end users, and referral or seller networks while maintaining visibility across financial operations. Its core objective is to centralize the operational lifecycle of a crypto card program, from user onboarding and card issuance to funding, transaction tracking, reconciliation, and commission payouts.

ERS TECH developed an integrated platform with two interconnected components, each designed for a distinct operational role:

A. Admin / Mediator Platform

• Companies, Admins & User Management: Manage corporate clients, sub-admins, customized depositor roles, KYC details, and card issuance pipelines.
• Card Issuance & Configuration: Visibility into issued physical/virtual cards, card balances, freeze/unfreeze actions, card plans, and BIN configurations.
• Financial Reconciliation & Ledgers: Processor ledgers, admin ledgers, commission histories, and centralized transaction movements.
• Deposits, Commissions & Withdrawals: Manage receiving addresses, review pending deposits, fund commission pools, and process verified withdrawals.
• Transfers & Balance Management: Inter-account balance transfers, transfer records, and Web3 multisignature administrative workflows.
• Agents, Referrals & Platform Settings: Seller agents, sales tiers, referral codes, commission rules, and zero-fee user configurations.
• System Operations & Monitoring: Error logs, process management tools, background job workflows, and notification broadcasting.

B. User Website — End User, Referral & Seller Portal

• Dashboard & Card Onboarding: Wallet balances, card summaries, live exchange rates, and guided step-by-step card application flows.
• KYC Verification & Account Security: Veriff-powered identity verification, WebAuthn biometric passkey security, and session management.
• Card Management & Funding: Physical and virtual card details, freeze/unfreeze controls, transaction limits, and crypto card top-ups.
• Crypto Deposits & Transaction History: Dedicated deposit addresses for USDT, BTC, and ETH with blockchain confirmation tracking and statements.
• Referral & Seller Management: Track invited users, referred card activations, sales commissions, and customer top-up workflows.
• Secure Withdrawals: Whitelisted cryptocurrency payout addresses and protected withdrawal submission.

• Frontend:: Next.js, Tailwind CSS, Telegram Bot API
• Backend:: Node.js, Express, Solana, Webhooks
• Database:: MongoDB
• Blockchain:: Cryptocurrency Wallet APIs, Blockchain Network APIs, Payment Gateway Integrations, Exchange Service Integrations
• Compliance & Monitoring:: AML Verification APIs, Transaction Risk Assessment, Activity Logging, Audit Trail System
• KMS & Ledger:: Golang

The completed system brings card management, crypto funding, financial administration, and referral operations into one integrated platform:

• Centralized Operational Control: Administrators gain a unified interface for managing companies, users, card configurations, and commissions.
• Improved Financial Visibility: Dedicated ledgers, processor records, and reconciliation tools provide structured balance tracking.
• Streamlined Customer Experience: Users access card onboarding, identity verification, funding, and card controls through a single website.
• Integrated Referral Operations: Seller and referral partners monitor invited customers, card activity, and commissions in a dedicated portal.
• Stronger Security Controls: Role-based permissions, KYC, passkey authentication, and whitelisted withdrawal addresses support strict security.
• Better Operational Monitoring: Error logs, background process management, and settlement records provide fast troubleshooting.

The Crypto Card FinTech Management Platform demonstrates ERS TECH's capability to develop integrated financial software that connects cryptocurrency operations, card management, payment workflows, accounting, and customer-facing services.

By combining a comprehensive Admin/Mediator Portal with a feature-rich User Website, the solution supports the operational lifecycle of a crypto card program, from company and user management to card issuance, funding, reconciliation, commissions, and transaction monitoring.

Its integrated architecture helps bring complex workflows into a consistent environment while providing a foundation for future enhancements in financial automation, blockchain integration, and digital payment services.

At ERS TECH, we develop tailored fintech and blockchain solutions that help businesses streamline operations, integrate financial services, and build technology platforms for evolving digital markets.