Bickcoin does support adding constraints around transactions. It supports o specifying who's allowed and when they're allowed to spend funds. I think that finance is the most interesting and mature use case for a block chain. Twitter on the block chain is not a scalable at we can't actually replicate every tweet to every note in etherium every block.
In this episode, we dig into what the term smart contract means with our guest James Prestwich. First introduced in 1994 by Nick Szabo, smart contracts have inspired whole ecosystems of companies and projects to start thinking about blockchain in much bigger terms.
We explore what the term 'smart contract' means, where it comes from, some use cases and some of the new challenges that come along with it.
Follow James on twitter @_prestwich