This is an interesting Document as it says all 1.1 million Bitcoin will be returned to dr Craig Wright Jan 1 2020. Sell BTC and buy BCH? https://www.documentcloud.org/documents/2644014-Tulip-Trust-Redacted.html
Well in the additional section it say if Dave dies that the shares will be returned 15 month after the death. So Craig probably already has those coins in his control.