Specifically for the mortgages I don't think that will be much different with bitcoin. The whole fractional bitcoin reserve category is already booming and they

Specifically for the mortgages I don't think that will be much different with bitcoin. The whole fractional bitcoin reserve category is already booming and they do the same things as banks do in terms of rehypothecating the collateral, e.g. https://blockfi.com https://blockfi.com does that.