Originally Posted by ilnjscb

FIFO/LIFO?!!? This guy has double entry skillz!

Not to support bitcoins, but is that really true? I think you can roll up trades in non-real currencies to when you cash them, which I would do nightly if it was me. In other words, like options, they have no intrinsic value until they are cash. One could, theoretically, hold them for a period of time if one wished.