Though there is no official proof that Facebook holds any Bitcoin, rumors have begun to circulate that the massive tech company does hold the cryptocurrency.
SDRs represent a basket of five currencies including the US dollar, euro, renminbi, yen and the British pound sterling.
Peter Thiel is a billionaire venture capitalist who co-founded PayPal, Palantir and was one of the first investors in Facebook.
Though Thiel has made public his concerns regarding Bitcoin, he has also publicly endorsed it in the past.
The rebranded Facebook crypto project, Diem, has a number of members still involved with the project.
The Diem project, along with two board members with, generally, pro-cryptocurrency sentiment, have created a level of speculation among crypto-enthusiasts that Facebook could be the next big company to reveal Bitcoin holdings.