There are two kinds of bootstrapping: * Bootstrapping a language on a new architecture using an existing architecture. With modern compilers this is usually do

There are two kinds of bootstrapping: * Bootstrapping a language on a new architecture using an existing architecture. With modern compilers this is usually done using cross compilation * Bootstrapping a language on an architecture _without_ using another architecture The latter is mostly done for theoretical purposes like reproducibility like reflections on trusting trust