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Open Financial Software
Open Financial Software

DePay: Decentralized payments. Open financial software.

Cashie is building the infrastructure to make it possible.

Explore Cashie ProtocolBuild on Cashie

A new financial system is possible. AI is making software easier to build. DePay is about making the financial infrastructure behind that software open, decentralized, and accessible to everyone.

Cashie is building that foundation: an open financial software ecosystem powered by Cashie Protocol and the Cash Intent Network (CIN), with settlement on Ethereum.

Imagine a world where anyone can build a storefront, launch a checkout experience, send invoices, or create new payment products without depending on a single company's closed payment infrastructure.

  • Software anyone can build upon.
  • Infrastructure anyone can operate.
  • A network no single app owns.

Beyond payments as a service

Traditional payment platforms bundle software, payment processing, and infrastructure into vertically integrated products. Businesses depend on their rules, pricing, and technical decisions.

DePay is a different direction. Instead of every payment application depending on a closed platform, applications can be built on open software and shared decentralized payment infrastructure.

Developers can create competing products. Merchants can choose the tools that work for them. Independent processors can compete to fulfill payment intents. Applications can share a common settlement foundation on Ethereum.

The goal is not to replace one closed platform with another. The goal is to make the payment infrastructure itself open to participation.

The layers of one open payment ecosystem.

Open financial software is what people use. Cashie Protocol and the Cash Intent Network are the decentralized payment infrastructure underneath it.

01

Open Financial Software

Open tools for accepting and sending payments.

We're building toward storefronts, checkout, invoicing, billing, and developer tools that anyone can customize and build upon.

The goal isn't to build one application for everyone. It's to make it easier for anyone to build the payment application they need.

02

Cashie Protocol

The programmable payment foundation.

Cashie Protocol provides the standards and on-chain infrastructure that allow applications to express payment intents and coordinate their fulfillment.

Instead of every application implementing its own isolated payment system, developers can build on shared primitives.

Applications define what needs to happen. The protocol provides the framework for coordinating execution and enforcing settlement.

This separates the financial logic of an application from the infrastructure used to fulfill its payments.

03

Cash Intent Network (CIN)

Open participation. Competitive execution. Neutral settlement.

The Cash Intent Network is a permissionless peer-to-peer network that broadcasts cash intent summaries to participating processors.

Independent processors can evaluate eligible intents and compete to fulfill them under the protocol's rules. Settlement is enforced on Ethereum rather than depending on a single application operator to determine the outcome.

This creates a shared execution layer that different wallets, storefronts, checkout experiences, and future financial applications can use.

No single client needs to own the network. No single application needs to define the entire ecosystem.

04

Ethereum Settlement

Shared infrastructure, without a dedicated financial chain.

Cashie is built around Ethereum as its settlement foundation.

Rather than requiring every financial application to establish its own closed payment infrastructure, the ecosystem can build on shared, verifiable on-chain settlement.

The result we're working toward is an open foundation for programmable financial activity that applications and independent operators can build upon.

Open software needs sustainable infrastructure

DePay is not about pretending that software has no cost.

Compute, storage, bandwidth, security, and ongoing development all require resources. Open-source maintainers deserve sustainable funding, and infrastructure operators need viable economics.

These costs can be supported through competitive service providers, usage-based revenue, protocol economics, and other funding mechanisms.

The vision is to keep software open, let operators compete, and build sustainable economics around the infrastructure everyone depends on.

  • Open software: Developers can inspect, modify, and build upon the tools under their respective open-source licenses.

  • Independent operators: Businesses and developers can build services, host applications, and provide infrastructure.

  • Shared payment infrastructure: Applications can use a common protocol instead of maintaining isolated payment rails.

  • Sustainable development: Protocol economics and other funding mechanisms can help support security, infrastructure, and continued maintenance as the ecosystem grows.

We want to make financial software easier to access without making the people who build and maintain it dependent on donations alone.

The long-term opportunity is an ecosystem where the software remains open, service providers compete, and the infrastructure can help fund its own continued development.

Built for decentralized payments

DePay is more than a single client or checkout page. Cashie is the infrastructure those payment applications share.

For merchants and creators

Build ways to sell, collect payments, and manage your business without being confined to one proprietary platform.

For developers

Build payment applications on the protocol. The protocol client is how people pay and get paid, so you are not starting from a closed payment stack.

For infrastructure operators

Participate in a network where independent processors can compete to fulfill eligible payment intents.

For autonomous software and AI agents

Build toward a future where software can initiate and coordinate authorized financial actions through programmable payment infrastructure.

As AI reduces the cost of creating software, open financial infrastructure can make it easier for more people to turn ideas into working products.

The opportunity is not just to generate more applications. It's to give those applications a shared foundation for moving money.

Built on Cashie

The protocol client is how people use Cashie. This registry lists payment applications built on Cashie. Building a payment app? Get in touch to be listed.

Protocol client

The protocol client. A business account accepts payments, and an individual account makes them.

Use the client

Help build the DePay ecosystem

The next generation of payment software shouldn't be limited to what a handful of centralized platforms choose to build. Developers can create payment products, operators can compete to provide infrastructure, and businesses can access programmable payments without being locked into a single provider.

Build openly. Pay independently. Settle on Ethereum. DePay is the direction. Cashie is building the foundation.

Get Started with CashieBuild on Cashie ProtocolExplore the Network

Explore Cashie

The protocol explains how payment intents move across the network. DePay is the vision for decentralized payments. Cashie Protocol is the infrastructure. The protocol client is how people pay and get paid.

Client

Protocol client

The protocol client. Create a business account to accept payments, or an individual account to make them.

Use Cashie

Ecosystem

Open Financial Software

DePay, the vision for decentralized payments: open payment software on Cashie Protocol, the Cash Intent Network, and Ethereum settlement.

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