That isn't a store of time, it is a speculative return. Gold, silver & the US dollar all did pretty much what they are advertised and expected to do (go flat, flat and steady down in value respectively). Nobody knows what Bitcoin is going to do next.
What Bitcoin does has nothing to do with storage. Obviously we'd all rather have had Bitcoin from 2013 to 2021 than storage, but hindsight makes these decisions easy.
Nobody knows what gold or fiat is going to do next either:
- Fiat can be advertised in whichever way but ultimately there is no guarantee things will behave the same as it's centrally planned. The pandemic triggered unprecedented action from the money printer.
- Producing more efficient ways of mining gold, discovering new reserves on the planet or outwith will trigger a re pricing of gold's value.
The only meaningful horizon is time, and so far Bitcoin is doing well.
Neither the global money supply nor inflation has increased by 600 fold. No other asset class has had a 600 fold increase in this environment either. Not equities, not gold, not commodities.
Yes, every position is more or less speculative, but BTC is pricing in tremendous future potential that needs to be realized to justify the price.
I know very few people who store their excess income as cash (or Bitcoin, or gold).