[whatisweb3]

You actually could publish “illegal code” because code is protected under 1st amendment, as free speech. Legal precedent has been set by Bernstein v US DoJ.

There is an open question about whether publishing non custodial contract code on Ethereum counts as providing a service. If you post 10 lines of immutable code onto Ethereum, and some years later a user chooses to run this code on their machines for criminal behavior, should you be prosecuted?