I Sniped a Solana Token in 400ms — Here's the Full Tech Stack When Solana's new token $XYZ launched last week, I managed to snipe it in just 400ms using a custom MEV (Maximal Extractable Value) setup. Here's exactly how I built the system, the mistakes I made along the way, and the optimizations that got me sub-half-second execution. The Core Components Jito MEV Bundles – For priority execution Jupiter Swap API – For optimal routing Helius RPC – For low-latency data Rust + Anchor – For on-chain logic Custom Frontrunning Bot – Written in TypeScript 1. Jito MEV Bundles: Bypassing the Queue Jito’s bundles allow you to submit multiple transactions as an atomic unit, ensuring your snipe executes before others. The key is setting the right priority_fee and using Jito’s sendBundle endpoint.…