The “blasphemy” was actually treason and sedition. That’s why the Romans executed him instead of the Jewish clergy.
That and the Roman’s didn’t like non-Roman’s doing executions. They didn’t care about mystics running around doing all sorts of weird things. But they did care about all the bodies being left lying around. (It was untidy.)
There were a lot of Jewish mystics cropping up at the time, Jesus was just one cult of many- though his cult actually survived long enough to become a religion.
That and the Roman’s didn’t like non-Roman’s doing executions. They didn’t care about mystics running around doing all sorts of weird things. But they did care about all the bodies being left lying around. (It was untidy.)
There were a lot of Jewish mystics cropping up at the time, Jesus was just one cult of many- though his cult actually survived long enough to become a religion.