> For the complete documentation index, see [llms.txt](https://surf-2.gitbook.io/surfliquid-docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://surf-2.gitbook.io/surfliquid-docs/offerings-and-use-cases/neo-banks-and-fintech.md).

# Neo Banks and Fintech

Surf is designed to function as an on-chain yield and automation backend for neo banks, wallets, and fintech platforms that want to offer real yield without taking custody or building DeFi infrastructure in-house.

Rather than becoming a front-end competitor, Surf acts as a programmable yield layer that can be embedded directly into existing financial products.

***

### Yield Layer for Idle Balances

Neo banks and fintech platforms typically hold large pools of idle stablecoin and fiat-backed balances.

Surf enables them to:

* Route idle balances into automated on-chain savings vaults
* Deliver materially higher yields than traditional money markets
* Offer a simple “earn while you hold” experience
* Provide transparent, verifiable, on-chain performance

The user experience remains:

> **Deposit → Earn → Withdraw**

While Surf handles optimisation, rebalancing, and risk management under the hood.

***

### Non-Custodial Backend

Surf’s architecture is built around user-owned and institution-owned vaults:

* Funds remain in segregated smart vaults
* Execution is constrained by deterministic Guardian rules
* No operator can unilaterally move capital
* All actions are verifiable on-chain

This allows fintechs to:

* Avoid custody risk
* Avoid principal-agent conflicts
* Offer yield without becoming asset managers
* Retain a clean regulatory and operational model

Surf becomes the execution and risk layer, while the fintech retains the customer relationship.

***

### Compliance-Ready Architecture

Surf is designed to integrate cleanly with regulated financial stacks:

* Vault-level segregation and permissioning
* Deterministic execution and auditability
* MPC-based signing and policy enforcement
* Clear treasury, fee, and reporting flows

This makes it suitable for:

• Fiat on-ramps and off-ramps

• Account abstraction and bank-linked wallets

• Programmatic compliance controls

• Jurisdiction-specific rule enforcement

For neo banks and fintechs, Surf provides a way to:

Offer DeFi-grade yield\
With bank-grade control\
Without custody risk\
And with a path to regulatory compatibility at scale.