Ethereum is at one of the crucial crossroads in the history of blockchain and Web3 after its shift to Proof of Stake consensus. It needs a more secure and decentralized staking ecosystem to encourage staking on Ethereum. The Distributed Validator Technology guide can introduce you to the capabilities of DVT. Distributed Validator Technology or DVT is an important part of the roadmap of Vitalik Buterin, the founder of Ethereum.
The problem that DVT aims to solve is the concentration of staking power among a few large entities, which poses major risks to the Ethereum blockchain. The centralization of control on Ethereum is at odds with the principles of decentralization that Ethereum is built on. It also presents critical challenges to the validation process, creating risks to the integrity of the Ethereum network. Let’s learn more about distributed validation technology or DVT and how it can improve staking on Ethereum.
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Understanding Ethereum’s Transition to Proof of Stake
The Ethereum merge revolutionized the architecture of the Ethereum blockchain. However, it also raised concerns about Ethereum’s security and decentralization. You can understand the answers to questions like “What is a distributed validator?” by learning how the merge changed the Ethereum blockchain. The merge represented a significant milestone in Ethereum’s history by introducing the flexibility for validators to stake their ETH on the network.
Blockchain networks face trade-offs between crucial features such as decentralization, security, and scalability. Trade-off is a key concern when developing the foundations of blockchain networks. It is important to note that the consensus mechanism of a blockchain can affect its decentralization, security, and scalability. The Proof of Work consensus mechanism has proven to be effective in terms of security, although with limitations in terms of scalability.
The Proof of Stake consensus mechanism has emerged as a popular alternative to the Proof of Work consensus as it requires less computing power. Ethereum was developed as a Proof of Work blockchain and transitioned to the Proof of Stake consensus in 2022. The merger served as a gateway to accommodate more upgrades in the Ethereum ecosystem to improve scalability in the future. The most notable change introduced in this transition is the arrival of Ethereum validators and the flexibility for Ethereum staking.
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Approaches to Improving Security and Decentralization in Ethereum
The top priority for the Ethereum blockchain after the merge is to improve the security and decentralization of the network. It is important to attract more Ethereum holders to staking because more staking tokens would strengthen the security of Ethereum. Staking would allow users to lock up their ETH tokens to participate in the network consensus and secure the network. Users who stake their tokens in the network would be selected as validators for transactions and they could earn rewards for their efforts.
You may be wondering why one should learn distributed validator technology when staking can improve the security and decentralization of Ethereum. Users also point out accessibility issues due to the technical challenges of running validators. The power of staking has been limited to large entities that downplay the value of decentralization in the Ethereum ecosystem. Investors can also consider the following factors to avoid staking their ETH tokens.
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Traditional validation keys
Validators need to store their key pairs on the node that always remains connected to the internet. The public and private keys of the validators are crucial requirements in the staking process. Connecting the nodes to the internet introduces an attack vector as malicious actors can obtain information about the public and private keys of the validators.
Slashing is also one of the reasons that can discourage staking in the Ethereum network. It is a crucial mechanism to prevent bad actors from participating in the validation process. Slashing imposes penalties on malicious actors and enhances security. However, validators who were penalized for slashing had to bear the brunt of operational errors rather than any malicious activity.
Distributed validator technology serves as a technical solution to avoid storing validator key pairs on an online node. Introducing DVT in staking can reduce the risks of slashing while reducing key pair issues. You can see that DVT can solve the two biggest concerns that discourage investors from staking on the Ethereum blockchain.
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Discover the uniqueness of distributed validator technology
Distributed Validation Technology or DVT is a new variant of middleware that allows staking on Ethereum to be performed with complete decentralization between different parties on multiple machines. DVT involves the secure management of validation key fragments. The main driving forces behind DVT include threshold encryption, multi-party computation, and many other secret sharing mechanisms. Each participant in the DVT approach would have a portion of the validation key that they must use to perform the validation process.
The technical perspective of DVT shows that it splits the validator keys into KeyShares, which are multi-sig constructs. DVT ensures the distribution of multi-sig keys across independent nodes to avoid storing the original private key on specific nodes. An Ethereum distributed validator provides built-in fault tolerance as well as higher availability even in case of individual node failures. It ensures cluster resilience regardless of malicious or lazy behavior of some nodes.
Exploring the mechanism of operation of TVP
The best way to understand how distributed validator technology works is to learn about its components. DVT uses different processes such as distributed key generation, multi-party computation, and Shamir secret sharing. Consensus protocol and block creation are also crucial elements in the functioning of DVT. Let’s identify the role of each component in improving the decentralization and security of staking on Ethereum.
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Shamir’s Secret Sharing
Sharing Shamir’s secret is a critical aspect of distributed validation technology because it helps combine individual key fragments to obtain the original key.
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Distributed Key Generation
Distributed key generation or DKG is a cryptographic process in which multiple nodes calculate shared validation key pairs without any node having access to the full private key.
Multi-party computation or MPC provides the flexibility for multiple nodes to serve as validators in a cluster without recreating the full original private key on specific nodes.
The consensus mechanism or protocol needs to choose a node as a block proposer who would share the block with other nodes. The other nodes would add their key fragments to the combined signature and after collecting enough key shares, the node would propose the block to Ethereum. You can find two common approaches to achieve consensus in the DVT cluster, such as Quorum Byzantine Fault Tolerance and Istanbul Byzantine Fault Tolerance.
When choosing a DVT validator for block creation, a random node in the cluster is selected to create blocks. Other nodes in the DVT cluster must also sign the block after verifying malicious transactions. Participants can leverage Shamir’s secret sharing to sign the block without storing private keys on a single device. This would help reduce the risk of attackers gaining unauthorized access to the network and transactions.
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Impact of DVT on Improving Staking on Ethereum
The description of DVT makes it clear that it involves performing validation with clusters of nodes rather than single validator nodes. Every distributed validation technology guide emphasizes removing single points of failure in the staking process. Validators can also participate in staking with active redundancy while preventing the increase in outage risks. The absence of a single point of failure ensures that staking on Ethereum can become more reliable and decentralized.
Distributed validator technology also provides better security, as the validator’s original private key is distributed across nodes in the cluster. Attackers would never be able to access the full private key or compromise the integrity of staking on the Ethereum blockchain. The strength of DVT technology is that it allows small validators to run nodes with efficient performance in terms of efficiency and availability. This shows that DVT technology can emerge as a powerful force to improve decentralization across the Ethereum network, while improving resilience and reducing risk.
The benefits of DVT may seem like an attractive proposition for staking on Ethereum. At the same time, you should also pay attention to the limitations of DVT such as increased complexity and operational costs. Involving multiple nodes to run a full validator creates the complexity of maintaining coordination between nodes. Additionally, using multiple nodes in the staking process increases the overall hardware and operational costs.
Final thoughts
Distributed Validation Technology (DVT) presents an innovative solution to the centralization and security issues associated with staking on Ethereum. It is important to learn about distributed validation technology and its working mechanism to fully exploit the technology’s potential. The importance of DVT increased after the merge, as the transition to proof-of-stake consensus transferred control of Ethereum to a few large entities. Learn more about distributed validation technology and its implications for the future of Ethereum now.