The Ethereum (ETH) blockchain is not yet four years old, and it is already next to impossible to synchronize a full node containing the complete history of the blockchain. The difficulty of synchronizing nodes has been talked about for months now and even specialized paid node operators are having trouble.
This also means that the immutable-state database of all Ethereum transactions may, in fact, be lost, due to the heavy requirements of keeping a full node. This fact may not be noticed by regular users, although for years synchronizing even a full wallet with a pruned blockchain has taken hours. But to store the complete history of Ethereum is a gigantic task.
Currently, even a full synchronization of the Ethereum blockchain does not c...