Patience young ones.
Obi-Wan didn't wait until 5 years after Anakin turned to the dark side then pop up to try and fight the empire with Yoda.
He waited 20 years until he was really needed and the next generation needed his help.
I think Satoshi won't be seen until 2032, when he'll cryptographically reveal himself at the same time as helping a gifted young cryptographer that managed to crack a game Satoshi set up on the internet as a test, a bit like The Last Starfighter but for Hackers.
His intervention will help at a time of great global turmoil.
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