Built a revolutionary blockchain-based data ecosystem that transforms how personal information is exchanged between customers and businesses. Continuum enables individuals to own, control, and earn from their personal data while allowing businesses to access accurate customer information through verified, time-limited consent powered by Polkadot blockchain smart contracts. Key accomplishments: • Developed production-ready ink! v5.0 smart contract with payment escrow, time-locked access control, and cryptographic authorization (450+ lines of Rust) • Built three interconnected products (Myn customer portal, Ethos enterprise CRM, Continuum blockchain protocol) with distinct brand identities and unified architecture • Implemented secure multi-tenant infrastructure with Row Level Security, handling contacts, deals, activities, and data access requests across isolated user environments • Created comprehensive E2E test suite with 34 Playwright tests covering authentication, CRM operations, blockchain integration, and complete user workflows (100% pass rate) • Designed and integrated Polkadot wallet system with real-time blockchain verification, on-chain audit trails, and DOT token payment processing • Built full-featured CRM with drag-and-drop Kanban pipeline, activity tracking, dashboard KPIs, and real-time updates via Supabase subscriptions The platform addresses the $80B CRM market’s biggest challenges—GDPR/CCPA compliance, data accuracy, and customer control—while creating a win-win economic model where customers earn from their data and businesses gain access to verified, consent-based information.