account abstraction has been one of the most talked-about primitives in ethereum, but most explanations stop at the surface. i wrote a two-part deep dive on X that gets into how it actually works.
part 1 — eip-4337: how the bundler model works, why useroperations exist, and what the entrypoint contract is actually doing.
part 2 — eip-7702: how native delegation changes the picture, what it means for eoas, and how it compares to the 4337 approach.
currently researching eip-8141 — will write about it soon.