Cryptography is about more than figuring out how to lock down data and deliver channels in the clear with the right key. It’s also about increasing functionality. In an earlier column, we discussed alternatives to the traditional all-or-nothing (locked or unlocked) approach, including attribute-based and functional encryption. Another approach that merits attention is secure multi-party computation: https://www.forbes.com/sites/forbestechcouncil/2021/10/26/multi-party-computation-private-inputs-public-outputs/?utm_campaign=Social%20Member%20Articles&utm_content=184927516&utm_medium=social&utm_source=twitter&hss_channel=tw-3291010518&sh=21fb0d9d1bb0