I think there's almost no chance. SBF is a perfect example of someone to throw the book at. He's effectively Madoff 2.0, the people everyone from the lowly to the elite hate.

Ross Ulbricht is a very unique, interesting case. I don't for a second believe that Trump has any moral imperative with pardoning him, but his sentence for the crimes he was prosecuted for was very clearly unjustly large in an extensively murky case. There's also a whole slew of benefits to Trump for pardoning him - it's largely perceived as very pro-crypto, pro-libertarian (ironic), etc.