Place the finely chopped dark chocolate in a heat-proof glass or stainless steel bowl.
Heat the coconut cream in a small saucepan over medium-low heat until it reaches a light simmer.
Pour the hot coconut cream immediately over the chopped chocolate and allow to sit for 5 minutes without stirring.
Gently whisk the mixture starting from the center until a smooth, glossy emulsion is formed.
Incorporate the orange zest, orange juice, vanilla extract, and sea salt into the ganache.
Cover the bowl and refrigerate for approximately 2 hours or until the mixture is firm enough to handle.
Using a small scoop or teaspoon, portion the mixture into 12 equal pieces.
Quickly roll each portion between your palms to form smooth spheres.
Roll each truffle in a shallow bowl of unsweetened cocoa powder until evenly coated.
Chill for an additional 15 minutes before serving to set the exterior.