Deep Dive
1. Hayabusa Consensus & Tokenomics Upgrade (December 2025)
Overview: This major network upgrade shifted VeChainThor from Proof-of-Authority to a public, Delegated-Proof-of-Stake (DPoS) consensus model. For everyday users, it changes how rewards from network activity are distributed.
The "Hayabusa" upgrade is the second step in VeChain's Renaissance roadmap. It introduces a permissionless validator system where users can delegate their VET to 101 validators. A key change is that 100% of the rewards from the gas token (VTHO) now go exclusively to VET stakers, rather than being split with other parties. The upgrade also includes an EIP-1559-inspired gas fee market where base fees are burned.
What this means: This is bullish for VET because it directly ties holding and staking the token to earning a share of all network fees, creating a stronger incentive to hold VET long-term. It makes the ecosystem more decentralized and secure while potentially making the VTHO token more scarce due to fee burning. (Source)
2. Thor Protocol Update v2.1.1 (April 2024)
Overview: This core protocol update increased the network's transaction processing capacity and improved the interface for developers interacting with the blockchain.
The update raised the block gas limit from 30 million to 40 million, allowing more transactions or complex smart contract operations to be included in each block. It also refactored the public API from Swagger to Stoplight, which provides better documentation and usability for developers building on VeChain.
What this means: This is neutral-to-bullish for VET as it enhances the network's fundamentals. The higher gas limit means the blockchain can handle more activity without congestion, which is crucial for scaling enterprise adoption. The improved API makes it easier and faster for developers to build applications, fostering ecosystem growth. (Source)
3. New SDK Beta Launch (April 2024)
Overview: VeChain released a beta version of a new Software Development Kit (SDK) designed to give developers a familiar and powerful toolkit for building on VeChainThor.
The new SDK is strongly aligned with widely-used Ethereum development tools like Hardhat and ethers.js. This means developers experienced with Ethereum can apply their existing knowledge directly to VeChain, reducing the learning curve. The release included all necessary documentation to get started.
What this means: This is bullish for VET because it significantly lowers the barrier to entry for new developers. By leveraging familiar tools, VeChain can attract more talent to its ecosystem, leading to more applications, innovation, and ultimately, more users and transactions on the network. (Source)
Conclusion
VeChain's development trajectory shows a clear focus on strengthening network fundamentals through consensus upgrades and aggressively improving the developer experience. The shift to DPoS and revised tokenomics aligns holder rewards with network growth, while continuous tooling refinements aim to expand the builder community. How will the planned "Interstellar" upgrade for full EVM compatibility further accelerate this momentum?