Deep Dive
1. Hayabusa Consensus & Tokenomics Upgrade (December 2025)
Overview: This was a major hard fork that fundamentally changed how the VeChainThor network is secured and rewarded. It moved the blockchain from a Proof-of-Authority system to a public, permissionless Delegated-Proof-of-Stake (DPoS) consensus.
The upgrade redesigned the tokenomics to direct all gas fee (VTHO) rewards exclusively to users who stake their VET, aiming to increase yields for participants and reduce idle VTHO in circulation. It also introduced an EIP-1559-inspired fee market where base fees are burned. The change required node operators and exchanges to upgrade by a specific deadline.
What this means: This is bullish for VET because it makes the network more decentralized and secure while directly rewarding long-term holders. Users who stake their tokens can earn higher passive income, and the burning mechanism could make VTHO more scarce over time, potentially increasing its value.
(Decrypt)
2. WanChain Cross-Chain Bridge Integration (July 2025)
Overview: This integration was VeChain's first official cross-chain bridge, built using Wanchain's decentralized interoperability infrastructure. It enabled the VeChainThor blockchain to connect with over 40 other networks, including Bitcoin, Ethereum, and Solana.
The bridge allows native assets like VET, VTHO, and B3TR to be transferred securely to other chains, where they can be used in various decentralized finance (DeFi) applications such as swaps, lending, and liquidity pools.
What this means: This is bullish for VET because it breaks the ecosystem out of isolation, bringing in substantial new liquidity and utility. It makes VeChain assets more useful and accessible to a much wider audience of crypto users and applications, which can drive increased demand.
(CoinMarketCap)
3. Thor Protocol Update v2.1.1 (April 2024)
Overview: This earlier core protocol update focused on improving network performance and developer experience. The key change was increasing the block gas limit from 30 million to 40 million, allowing more transactions per block.
It also refactored the API documentation from Swagger to Stoplight for better usability and increased the default cache size to 4GB for node operators. The update included various dependency upgrades and code refactors.
What this means: This was a neutral technical improvement for VET, laying groundwork for future scaling. It made the network capable of handling higher transaction volumes more efficiently, which is essential for supporting growing enterprise and dApp usage without congestion.
(VeChain Official)
Conclusion
VeChain's development trajectory shows a clear shift from enterprise-focused optimization to embracing public decentralization and cross-chain connectivity. The recent Hayabusa upgrade is particularly significant, fundamentally altering the network's economic and security model to reward participation. With the foundation set for broader interoperability and a more open validator set, the key question becomes: how will user adoption and Total Value Locked (TVL) respond to these new incentives and capabilities?