It’s been a big year in Seattle tech so far, with a fresh crop of startups leveraging artificial intelligence, big data, breakthrough security strategies and more to transform industries of all stripes. This is our list of 50 startups who show enough promise — through transformative technology, brilliant ideas or seasoned founders — to warrant keeping an eye on into 2019.

The company’s FeaturePrint software can spot the tiny details that make an object unique.

Alitheon’s technology can find the invisible physical identifiers that make each object unique.