fights I guess the the more fun end of a patient development that you can hook into a blockchain for all to gain all sorts of benefits of immutability now this last example is a little bit drier but it's a really good example of why scale matters in terms of enabling use cases that otherwise would be impossible the HR day there is a big player in the USA a u.s. pharmaceutical industry they're addressing a specific problem the opioid crisis which is in the news pretty much every day in the United States it's killing a lot of people and they're