It seems odd that you would claim that a system requiring a centralized "time stamping authority" is equivalent in functionality to a decentralized mechanism li

It seems odd that you would claim that a system requiring a centralized "time stamping authority" is equivalent in functionality to a decentralized mechanism like a blockchain. As for saying that "cryptocurrencies are a laughingstock"... can you quantify that claim in concrete terms using a date and a price range prediction for that date?