The success of POCs will be determined by UK bureaucrats charged...

The success of POCs will be determined by UK bureaucrats charged with protection of classified data. I doubt they will rush into a decision. What may give them comfort during any decision making process however is seeing a former Director General of ASIO (David Irvine) and former Government CIO of Ireland and Deputy CIO of UK Cabinet Office (Bill McCluggage) on the team. That's gravitas !!
Keep in mind that Covata isn't selling Pokemon Go where uptake is rapid then falls away . Safe Share s being considered for integration into a massive bureaucracy which will hold the product for a long time. As such the first step to purchase may be slow but once made many more should follow.