there is no new or old blockchain model. I think crypto systems are only centralized and decentralized. BTC's popularity cannot be defeated by Facebook, Google, Amazon and others. but each media can influence the BTC chart scheme. I chose the decentralized system. it gives me a big profit. centralized is always stable.
There's actually some project that claims to be blockchain 1.0 2.0 and so on but I do agree that I think there's no such thing as new or old blockchain model since blockchain is blockchain as many of the wikis explains. However it seems that the blockchain community being invaded by such centralized exchange but centralized doesn't mean stable. Centralized just help in some aspect like regulation and some things but is not stable.