The blockchain

I understand that PPCoin will have lower transaction fees in the long-run, but does it also store all transactions like bitcoin?

I only read the PPCoin paper last night, so I’m far from an expert, but I’m fairly certain that the answer is yes. One difference though is that a central entity controls the checkpointing of the blockchain, but it’s implied that this is only until the network reaches a critical mass where this isn’t necessary.

Yes, you can explore the blockchain here: