# 7.1 Why We Have to Build ValueChain

As we began designing SoDex, we quickly hit a wall.Even the most advanced existing blockchain infrastructures were not built for the demands of high-frequency, low-latency, and fully on-chain trading at a global scale. Especially not with the levels of security, modularity, and composability SoDex requires.SoDex needs:

* Infrastructure capable of supporting **Nasdaq-grade throughput** for order book transactions
* Settlement layer that could handle **Visa-level transaction concurrency** for end users
* Native support for onchain order books and modular execution environments
* Seamless composability with EVM-based smart contracts and future DeFi primitives
* Decentralization, transparency, and accessibility

**No existing chain could deliver all of that. So we build one and call it ValueChain.**