Disclaimer: I was an early investor, and still "hodl" crypto, so I'm not without my bias. Dating a viable use case versus other tech depends on when you set the creation date. The internet wasn't commercially viable for its first 25 years. Also we are getting closer and closer to a viable use case for the most basic use case for crypto, payments. Solana Pay and a few others have working products, the problem is netwo…
We already are living in this future in India. If I want to pay for a 10₹ ($0.13) chai I simply scan the QR in my favourite payments app and enter my UPI pin. The money is transferred to their bank instantly and it is completely free! UPI is so ubiquitous that even most shops in villages have it by now.
Ironically UPI is far more decentralised because while Solana completely goes down every few months, the UPI network has never entirely gone down.