I agree it's a good rule of thumb, and better than nothing for the most part. I tend to side conservative: there should be a protocol like Bitcoin which makes r

I agree it's a good rule of thumb, and better than nothing for the most part. I tend to side conservative: there should be a protocol like Bitcoin which makes running full nodes as cheap as possible in the current environment, but could it increase its block size 50% every 4 years? Probably. > What is a reasonable blocksize? I couldn't give you an exact answer. I am not a researcher. We both agree that 'the right size' should be a sophisticated determination. In my view, that suggests a market based, variable approach is the way forward. > In any case, it's possible to design a cryptocurrency that does not need to store transactions forever > the more important metric is network consensus bandwidth You're the only person who I have heard point out these facts that is not doing so in the context of Saito. I invite you to check it out, or while it's small and crypto is relatively inactive, just drop into the Telegram and have a chat with David, an outspoken founder. That project was built on understandings you are repeating here.