How does slipstream work?

Sure, here's a description in the tone of a questioner, based on the question "How does slipstream work?": "Hey, I've been hearing a lot about slipstream lately, but I'm still a bit confused about how it actually works. Can you explain it to me in simple terms? I'm particularly interested in how it's applied in the world of cryptocurrency and finance. I've heard that it can help reduce transaction fees and improve transaction speeds, but I'm not entirely sure how that's possible. Could you elaborate on the technical aspects of slipstream and how it achieves these benefits?