[ZirconCode]

Or he didn't loose it and isn't motivated by money. Which seems also likely since he had the skills and decided not to cash in on the fame either.

[joobus]

Or Satoshi died, which has been another theory.

[acjohnson55]

E.g. Hal Finney https://en.wikipedia.org/wiki/Hal_Finney_(computer_scientist...

[pavel_lishin]

I imagine he would have planned for such an eventuality.

(Although, "let the coins vanish" is as valid a plan as any.)