Waku applications have the flexibility to embed bootstrap node addresses directly into their codebase. Developers can use either the [predefined nodes by Status](https://github.com/waku-org/js-waku/blob/master/packages/core/src/lib/predefined_bootstrap_nodes.ts#L45) or [run a node](/guides/nodes-and-sdks#run-a-waku-node) per their preference.