Y Combinator's Requests for Startups · Fall 2026

The Best Time to Build in Crypto

Requested by Nemil Dalal · View in YC · Start with an MVP

Build a production-ready crypto application focused on stablecoin payments and money transfer, designed for real users and real money — not a toy demo. Core vision: Regulatory clarity and better infrastructure have made this one of the best times to build in crypto. Build a clean, trustworthy product for stablecoin payments and money transfer that hides blockchain complexity behind a great experience. The system must deliver a complete, usable product loop: 1. Onboard and connect an account/wallet simply 2. Deliver the core value for the chosen use case 3. Show clear activity and transaction history 4. Handle compliance, disclosures, and risk transparently 5. Make every money-moving action feel safe and reversible where possible Core capabilities: Accounts and onboarding: - Wallet-style account connection with a simple, guided flow - Clear balances and holdings overview - Sensible defaults that protect non-expert users Core product surface (for stablecoin payments and money transfer): - The primary workflow implemented end-to-end - Real-time status on transactions and settlement (represented at the app layer) - Fees, limits, and expected timing shown up front - Error and edge-case handling with plain-language messaging Activity and records: - Complete, searchable transaction and activity history - Exportable statements - Notifications for important events Compliance and trust: - Clear disclosures and terms surfaced at the right moments - KYC/eligibility gating where relevant (flow represented at the app layer) - Transparent risk warnings; no dark patterns - Audit-friendly records Design: Modern, trustworthy fintech — clean, confidence-inspiring, with strong clarity around money movement, fees, and risk. Complexity hidden, safety visible.

Builds a working MVP of a crypto application. Includes wallet-style account connection, a core product surface for the chosen use case, transaction/activity history, and clear compliance and disclosure UX. On-chain settlement, custody, and licensing are represented at the application layer and handled off-platform.