Stahp with the blockchain size FUDing Carlton.

Pruning has been available for nodes for quite some time now. You may need to download the whole chain once, but you only need to store as little as 6GB, including daemon executables.

Besides, Segwit only increases the storage requirements for nodes. The total of the witness and block data becomes larger.

And, has anyone solved the "Anyone can spend" issue of Segwit transactions?

Litecoin is stagnating and waiting to dump after Segwit adopts on it.