If anybody has some links to anything recent concerning time-lock encryption, please let me know. Part of me thinks you'll only be able to have such guarantees

If anybody has some links to anything recent concerning time-lock encryption, please let me know. Part of me thinks you'll only be able to have such guarantees using encrypted light transmissions over massive distances (which tbh would probably never come close to being workable from an engineering standpoint), but I'm all ears