> For the complete documentation index, see [llms.txt](https://docs.mosaicgalaxy.io/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.mosaicgalaxy.io/documentation/mosaic-chain/introducing-mosaic-chain/built-for-finance.md).
# Built for Finance
Universal blockchains are amazing. Ethereum and Solana —they're designed to handle everything from NFTs to games to DeFi. But that flexibility comes with trade-offs.
We built Mosaic Chain specifically for finance. Not as a side feature. Not as one use case among many. Finance is the use case.
***
### **What Finance Actually Needs**
Financial applications have three non-negotiable requirements:
**Fast.** Trades need to settle immediately. Payments can't wait. 6-second finality isn't a nice-to-have—it's the baseline.
**Cheap.** High fees kill financial apps. A $20 transaction fee on a $100 payment doesn't work. Mosaic Chain keeps costs low enough that real financial activity makes sense.
**Secure.** Finance handles real money. Mosaic Chain connects to Polkadot as a parachain, which means we inherit Polkadot's shared security model.
***
### **Interoperability**
Financial systems don't exist in isolation. Liquidity lives on Ethereum. Bitcoin is still the biggest asset. Solana has speed and a growing ecosystem. Users expect to move value between chains without friction.
Mosaic Chain uses **XCM (Cross-Consensus Messaging)**—Polkadot's native cross-chain protocol. That means trustless communication with other parachains, and eventually Ethereum, Bitcoin, and Solana, without relying on centralized bridges.
The whole blockchain ecosystem opens up. No middlemen. Just native interoperability.
***
### **Built on Substrate: Modular, Upgradeable, Future-Proof**
Most blockchains use smart contracts for application logic. Mosaic Chain is different—we're built on **Substrate**, the same framework Polkadot uses.
Substrate lets developers build **pallets**—modular components that integrate directly into the blockchain runtime. Think of it like modular programming: you add features by snapping in new pallets.
**The big advantage?** Upgrades happen without forks. New features get added seamlessly. The chain evolves without downtime.
***
### **Why Not Just Use a Universal Blockchain?**
Universal blockchains like Ethereum, Solana, and Bitcoin are incredible achievements. They've built massive ecosystems, driven innovation, and proven blockchain technology works at scale. We respect what they've accomplished, and we love them.
But they're built to serve everyone—DeFi protocols, NFT marketplaces, gaming platforms, social apps, and more. That's their strength, and it's also a trade-off.
**Competition at the transaction level** is inevitable. Projects and their users compete for block space. Depending on usage, transaction costs can increase, transactions can be delayed, or even stuck entirely.
For most use cases, that's manageable. For financial services, **it's a problem.**
A delayed trade means slippage. A stuck payment means a failed transaction. Unpredictable fees mean users can't trust the system. Financial applications need consistent performance, and competing with unrelated network activity makes that hard to guarantee.
Mosaic Chain offers a different approach: a blockchain purpose-built for financial services. Not better in every way—just better for this specific use case.
***
### **What About Non-Financial Projects?**
Mosaic Chain is optimized for finance, but we're not locking out other projects. Non-financial applications can build here—but on the long run, **governance has to accept their integration.**
This ensures the network stays focused on its core mission: serving financial applications with the speed, cost-efficiency, and reliability they demand. Governance decides what fits and what doesn't.
***
**Want to see how it works?**
[Explore Mosaic Chain as a Polkadot Parachain →](/documentation/mosaic-chain/introducing-mosaic-chain/a-polkadot-parachain.md) | [View the Roadmap →](broken://pages/JUjiw12KOoazdr3jtT56)
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