For those who are claiming that this is a setup, that he is innocent, well... he's certainly got to face trial. But he's going to have a hell of a time arguing against this evidence, if even one planted FBI/DEA 'controlled buy' can be traced to this account (handy thing, the Bitcoin trail... unless you're trying to disavow knowledge - it's probably going to be hard for his lawyer, who claims that Ross is "innocent of all charges and this is all a mistake".
They are claiming innocence but the burden of proof is beyond reasonable doubt. What his lawyer claims in public is irrelevant to the trial.
DPR has a number of defences available that could render the issue of the wallet moot. Most importantly by denying access to the wallet he has a huge point of leverage, both in settlement and retaining counsel. One of the keys to drug law is seizing all assets so that the defendant has no means of defending themselves.
Perhaps the settlement is no prison time and a $80 million dollar fine. Keep in mind that in order for it to be introduced as evidence a copy must be provided.