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Stealthy post-trade and settlement blockchain builder RISE Financial Technologies RISE , has developed a "secret sauce" to solve the privacy problem, something of a stumbling block for financials using distributed ledgers.
With this in mind, privacy of data is emerging as the sine qua non for permissioned blockchain models to function in the future.
There is a lot of work being done in this area and a lot of candidate technologies being tests: ring signatures, homomorphic encryption, zero knowledge proof, use-once addresses etc.
He said RISE is preparing a paper on this and more would be forthcoming, reiterating an ultimate commitment to open source.
He also admitted that in some cases there are trade-offs between scalability and performance regarding certain privacy solutions.
In mid 2015, RISE engaged economics consultancy Oxera to explore regulatory and economic aspects of a distributed post-trade environment.