This is just a marketing gimmick, it's been broken as a technology since its inception: https://www.ndss-symposium.org/ndss-paper/improving-signals-sealed-sende

This is just a marketing gimmick, it's been broken as a technology since its inception: https://www.ndss-symposium.org/ndss-paper/improving-signals-sealed-sender/ https://www.ndss-symposium.org/ndss-paper/improving-signals-...