Blockchain is a new kind of database - block or records connected to another block. That's the simplest explanation. However, I want to ask the hard question.
What are the limitations of blockchain? I know this is a really good innovation and I highly support it, not because I join the bandwagon, but because bitcoin will not exist if not because of it.... But I want to have a better understanding of the blockchain (in layman's terms please) if I want to get really serious about cryptocurrency and ICOs. My second question is, what are the things experts do to improve blockchain?