> For the complete documentation index, see [llms.txt](https://galaxy-digital.gitbook.io/galaxy-defi/1f3lEibM2cwOkco4TQYQ/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://galaxy-digital.gitbook.io/galaxy-defi/1f3lEibM2cwOkco4TQYQ/readme.md).

# Introduction

## Welcome to Quark

Quark is Galaxy's enterprise-grade transaction propagation service for Solana, delivering sub-slot latencies through optimized validator networks and intelligent routing.