Bitcoin & Beyond is an educational series by the team at The Rollup Focused on the new, emerging builders within the Bitcoin eco-system. By using interactive panels and spaces to present technical information on innovative scaling projects, it is hoped that attendees will gain a deeper understanding of the technology.
Chase, from Molecule was interviewed to discuss the increasing demand for new-generation virtual machine (VMs), which will enhance Bitcoin’s programmability. Molecule has led this experimental effort. It is clear that their attempt to implement Solana’s Virtual Machine (SVM), with Bitcoin, shows builders are considering other alternatives to Ethereum Virtual Machine.
Bitcoin High Performance VMs
Chase stated that Molecule wants to use the best execution environment for Bitcoin users. He thinks the Solana virtual machine (SVM), offers unmatched throughput and efficiency. “SVM provides the highest throughput with a super battle-tested execution environment,” Chase emphasized the VM’s capacity to handle 1000 transactions every second, at a fractional penny each.
SVM architecture is designed to process transactions in parallel, which increases scalability. SVM is able to execute multiple smart contracts simultaneously, setting it apart from other VMs which rely upon sequential processing models. It results in a lower latency and higher throughput, which is important for applications that demand high performance.
An Ecosystem of Developers that is Growing
Molecule decided to use the Solana Virtual Machine due to its robust developer ecosystem, and because Rust is a widely used programming language. Solana has over 3,300 developers active as of 2023. according to Electric Capital. A robust developer community, supported by an extensive set of tools and resources for education has significantly increased the retention rate.
Chase mentioned Rust (Solana’s language for development) as also playing an important role in SVM’s successful. As there are over 3,000,000 Rust developers in the world, many people find the move to SVM easy, as they’re familiar with the language. SVM’s extensive developer community and its strong integration with Web3 ecosystems make it not only superior in terms of technology, but also more attractive for innovation and broader adoption.
Molecule builds on a solid foundation by focusing on a VM which aligns with the developer’s preferences, and provides a robust and scalable environment. This allows for rapid application development on Bitcoin.
Monolithic vision vs. Modular perspective
The inherent limitations in Layer 1 of Bitcoin also called for a more modular approach, to increase programmability. Traditional monolithic blockchains integrate all core functions—execution, data availability, consensus, and settlement—into a single layer. Although this approach enhances decentralization and security, it creates bottlenecks which limit the transactional throughput. Bitcoin’s Layer 1 can process only a limited number of transactions per second, restricting its ability to support complex smart contracts and higher transaction volumes
Molecule’s modular design decouples these functions to meet these requirements. This architecture improves scalability by allowing each layer to specialize and be optimized. Molecule’s modular stacks are designed to allow Solana’s execution layer (SVM), which is a Solana-developed technology, to be integrated with ZK (zero knowledge) verification of Bitcoin transactions.
Molecule’s SVM Rollup Stack is an innovative SVM stack that allows ZK Verification of Transactions through a ZKVM. ZK Snarks, or Succinct non-interactive arguments of knowledge (SNARKs), are then posted on Bitcoin by using a Challenge-Reward Mechanism. The method used ensures a secure and efficient finalization of transactions on Bitcoin.
Molecule considers different options, including BitVM and a version based upon a future OP_CAT fork. BitVM has a system of challenge-provers that allows any verifyor to contest transactions in a specified time period. Chase explained, “you can verify any asset transfers from molecule back to Bitcoin. There’s a challenge period where you can, any verifier can come in and say that, hey, there’s some issues, then they can go through this challenge mechanism.” This solution combines off-chain calculation with on-chain validation, providing an effective and robust way to maintain transaction security and finality.
A new Bitcoin L2 narrative
Chase noticed a significant shift in the Bitcoin community’s attitude toward Layer 2 solutions. Many Bitcoin purists were traditionally wary of L2 solution, for fear that they could compromise the security and decentralization of the network. The recent advances and increasing demand for more scaleable applications has started to change the perspective.
“I think the Bitcoin community definitely demands programmability for Bitcoin. SVM is the best solution to that in terms of throughput and cost,” Chase said, underlining the evolving community openness towards L2 innovations.
Molecule’s commitment and innovative approach to the integration of high-performance Virtual Machines (VMs) and Bitcoin represents a significant step forward in improving Bitcoin’s utility.
The Rollup is the author of this guest post. The opinions expressed here are theirs alone and not those of BTC Inc. or Bitcoin Magazine.
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Source: bitcoinmagazine.com
