4. Decline Stage: Everything that has a beginning has an end. At the stage sales deteriorate drastically. And the product will phase off the market unless the product is redesigned. .
The days that will not come, or the days that will take centuries to come. Bitcoin is deflationary, people will like to hold and you will see all-time-high. Just see it as the digital gold.
You said "unless it is redesign" this alone makes it a factor of continuity. Looking at the market condition since 2009, does it remained the same thing, haven't you heard about company buying bitcoin for reserve,? hasn't been said to be redesigned? Haven't you seen lots of new implementations, everything around Bitcoin is now in a civilized entanglement, this is the proff that bitcoin is not going to die off anytime soon, bitcoin is here to stay for ever because it is a digital asset with the same thing as physical land.