OP Labs, the developer of Optimism Network, has launched a beta version of its fault-tolerant system, according to an October 3 blog post. Once the testing is complete, it will allow for a “more decentralized and efficient superchain,” the post stated. The new system is currently deployed in the Optimism Goerli network.
Currently, OP Stack-based networks use centralized serializers to aggregate transactions and send them to Ethereum. Users cannot provide evidence of fraud to block the sequencer if it sends incorrect data, creating the possibility of confirming fraudulent transactions if an attacker gains control of them. L2Beat has to caution Of this risk in its optimism report, it states that “users need to trust the block proposer to send the correct L1 state roots.”
OP Stack-based networks, like Optimism and Base, are intended to be optimistic stacks — a kind of second layer that relies on Ethereum for its security. In a January 2021 article, Ethereum co-founder Vitalik Buterin argued that optimistic accumulations He should Allow users to submit evidence of fraud to prevent fraudulent withdrawals to Ethereum. Other than that, it’s not really decentralized.
In November 2022, Buterin claimed Some pools could have “training wheels” that temporarily centralize them while they work on a fraud-resistant system, but she argued that they must work toward decentralization.
OP Labs claims that the new fault-tolerant system will help achieve the goal of decentralization for OP Stack networks: “The system is designed to enable ultimate secure bridging without a central backup.”
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Additionally, it claimed that the new system is modular, allowing each network to develop its own fraud prevention system. It consists of three separate components: fault-tolerant software (FPP), fault-tolerant virtual machine (FPVM), and conflict game protocol. Because these three components can be implemented separately, they open up the possibility for each network to “build a custom fault-tolerant system.”
According to the post, this will create more diversity in Optimism Superchain, ultimately making the entire ecosystem more secure. The team stated that the network could decide to use zero-knowledge proofs (ZK-proofs) as a form of fraud protection. ZK proofs are generally used on zero-knowledge sets, but not optimistic ones.
OP Labs is trying to build an interconnected network of blockchain networks called a “Superchain.” To achieve this, I created OP Stack, a set of software tools that can be used to create custom blockchain networks. Its network availability creature “OpEVM” is designed to achieve the same goal while using Avail as the base layer instead of Ethereum. Polygon’s ZK Supernets and the zero-knowledge Ethereum Virtual Machine Hyperchain network are other examples of Superchain competitors.
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