The fate is not doubtful because it wasn't the fault of the nano foundation nor the nano nodes. Bit-grail was the criminal entity of this accident.
Ref:
* https://www.cnbc.com/2021/05/12/the-global-chip-shortage-cou...
* https://techcrunch.com/2021/05/16/crypto-and-blockchain-must...
Ref
[1] https://m.dw.com/en/tesla-changes-stance-on-bitcoin-amid-cli...
[2] https://www.nysfocus.com/2021/04/13/new-york-bitcoin-mining-...
[3] https://finance.yahoo.com/news/bitcoin-mining-pool-hashrates...
[4] https://medium.com/nanocurrency/fight-the-climate-crisis-use...
[5] https://www.cnbc.com/2021/04/08/chinas-bitcoin-mining-is-thr...
[6] https://www.reuters.com/technology/how-big-is-bitcoins-carbo...
[7] https://www.bloomberg.com/opinion/articles/2021-01-26/is-bit...
https://www.youtube.com/watch?v=IaoTtkuY7jM
That wasn't always like this. Original idea was to replace money
https://nano.org/
https://www.youtube.com/watch?v=OAk2ou6EFMY