SIX has received approval from Swiss regulator FINMA to merge its blockchain entity SIX Digital Exchange AG (SDX) into its central securities depository SIX SIS AG. SDX previously operated as a separate licensed entity with its own CSD license for digital assets. Separately, FINMA also approved the main CSD to offer crypto custody services.

The combined setup creates what SIX calls a “one plug to two worlds” access model, enabling financial institutions to hold and settle both conventional securities and crypto assets through one regulated post trade environment.

“By extending our CSD infrastructure to include crypto custody and integrating digital asset capabilities…