We’re over a decade in and there’s no evidence supporting your assertion: almost nobody would have an impact on their daily life if blockchains suddenly disappeared.

In 10 years, the web went from a curiosity at CERN to transforming the global economy, and blockchain applications have much lower barriers to entry than 1990s computer hardware or network pricing. Digital computing went from Alan Turing’s papers to being a decisive factor in WWII over the same period, and similarly had much greater entry requirements.