Once this project is up and running, they will fully understand the benefit of blockchain particularly in the financial world.
The conventional method will be soon obsolete and with this new technology, they will realized that they can save a lot of money and manpower.
Aside from the fact that, it's easy to trace what's happening in every transaction that they will create.
And very soon, others will follow once the success of the project is established. Sometimes, they need assurance that it actually works.