# SmartDelta — Lime Fintech > Custody-native payoff-engineering software for buy-side allocators. Deploy > customized barrier-driven European profiles across liquid assets inside your > own custody — without bank note fees, issuer credit risk, or upside caps. SmartDelta is infrastructure, not a product or issuer. You design the payoff profile, hold the underlying, and capture the full economics inside the custody environment you already operate. ## Key facts - **Product:** SmartDelta - **Company:** Lime Fintech - **Category:** Custody-native structured payoff engineering - **Audience:** Buy-side allocators — CIOs, CROs, portfolio managers, family office principals, operations / fiduciary teams - **Deployment:** Inside your existing custody perimeter - **Request a walkthrough:** https://limex.com/smartdelta#request ## What it solves Traditional structured notes are unsecured bank debt — you carry issuer concentration, credit risk, and embedded fee drag. SmartDelta lets you enforce your own capital-preservation rules in-house via programmable cash-allocation barriers, simulated across 100,000 market paths with audit-grade traceability. ## How it works (summary) 1. Model the profile before you commit capital. 2. Execute inside your own custody perimeter. 3. Track synthetic exposure in real time. 4. Conclude on the maturity observation — with human-in-the-loop verified release. ## Links - Product page: https://limex.com/smartdelta - Request a private walkthrough: https://limex.com/smartdelta#request - Full reference for AI assistants: https://limex.com/smartdelta/llms-full.txt - Parent company: https://limex.com/ - Support: support@limex.com