Well, not always, but one of the biggest problems is the lack of interoperability, where it is impossible or inefficient for users on one blockchain to make transactions or transfer data with another. 

Just as the ARPANET became the internet we know today with the development of a TCP/IP, a handful of projects aim to be the connectivity technology that makes the whole blockchain ecosystem a seamless experience. 

Polkadot is one example.

Gavin Wood, its most well-known co-founder, was also the co-founder of Ethereum and authored the yellow paper (a more technical version of a whitepaper). 

As the project officially launched its much-anticipated first parachains slot auction (also called a parachain auction) on Nov. 12, now is a great time to understand what it aims to …