Podcast: Is blockchain fit for purpose?

Proponents say blockchain, which underlies cryptocurrencies like bitcoin, could revolutionise everything from healthcare to global trade and financial services. But with several high-profile security breaches and thefts of users' assets, is blockchain simply overhyped? Share Radio's Robert Van Egghen heard from Nick Williamson, Chief Executive of blockchain provider, Credits, to see if the technology's now fundamentally flawed.