Bankless · Monday, July 20, 2026
Bitcoin Dave explains the technological advancements aimed at increasing Bitcoin's expressivity and scalability, focusing on BitVM and ZK (Zero-Knowledge) rollup technology. These developments, evolving from BitVM1 to BitVM3 and beyond, seek to enable more complex functionalities on Bitcoin without requiring soft forks, potentially transforming Bitcoin into a more robust platform for financial applications.
“And so the core idea here is typically if you want to bridge Bitcoin, including into like a roll-up, you would take Bitcoin from the layer one, you would lock it into some sort of multi-sig.”
“And that is the core promise of BitVM and then BitVM2 and BitVM3 and like this whole family of BitVM products. It's like a one event trust assumption.”
“And so the core idea here is typically if you want to bridge Bitcoin, including into like a roll-up, you would take Bitcoin from the layer one, you would lock it into some sort of multi-sig.”