Hi everyone,
I think the following things need to be pointed out about the blockchain.

1. It's stupidly huge and something needs to be done about that.
2. If you expect btc to be a real-world currency then it's going to get even more stupidly huge with more use.
3. It takes forever to download it, which puts off new users.
4. It's a Berkeley DB... ugh.

If I'm wrong, please correct me... but I think the blockchain needs to be changed so that it's more user-friendly, dev-friendly and efficient.

edit: I posted this in the Bitcoin Discussion forum because I wanted to discuss the effect of the huge blockchain on new users' adoption of bitcoin.