So, what's the tech behind this game-changer? It's called BitSNARK. It's a ZK Succinct Non-Interactive Argument of Knowledge verification software library. In plain English, it lets developers create "near-trustless bridges" to move Bitcoin between the mainnet and layer-2 rollups.
But what does this mean for everyday transactions? Yago explains: "A single Bitcoin transaction can now be used for transacting privately and for things like smart contracts." In other words, one transaction could represent thousands.
This upgrade essentially turns Bitcoin into an operating system. It's no longer just a payment system. It can now handle "decentralized services and activities, like DAOs, DeFi, anything you can imagine," says Yago.
Here's the kicker: Bitcoin can now upgrade without soft forks or consensus changes. "It is now possible to introduce any kind of features that you want to Bitcoin, in a permissionless way," Yago explains.
This development follows StarkWare's recent milestone. On July 17, they verified their own ZK-proof on Bitcoin's testnet, Signet. This laid the groundwork for ZK-based layer-2 solutions to improve Bitcoin's scalability.
In a nutshell, Bitcoin just got a whole lot more interesting. It's not just about hodling anymore. The crypto world is watching closely to see what happens next.
Alexey Bondarev is the Head of Content at Yellow.com, having reported on crypto for the last 10 years. He specializes in in-depth Research and Learn pieces, with a focus on analytical reporting, industry context, and the bigger forces shaping crypto, from the AI era and security technologies to fintech innovation. He believes that everything digital will imminently overcome everything analogue and is working hard to make that come true.
