Deep Dive
1. Fusaka Mainnet Upgrade (24 June 2026)
Overview: This was a major network upgrade that introduced fundamental changes to Berachain's execution and consensus layers. It marks a shift away from direct compatibility with Ethereum's go-ethereum client.
The upgrade implemented the "Fulu" and "Osaka" execution and consensus changes. A key outcome is the end of "Bera-Geth" compatibility, meaning Berachain's client logic now diverges significantly from standard Ethereum assumptions. This requires node operators to update their software and may cause temporary disruptions for bridges and dApps during the transition. Such foundational upgrades carry short-term technical risk but are designed to enable improved performance and features in the long term.
What this means: This is neutral for BERA in the short term due to potential upgrade volatility and service interruptions. However, it is bullish long-term because it gives developers a more powerful and customized foundation to build unique applications, which could attract new users and capital to the chain.
(TradingView)
2. Hardfork Completion & BGT Transition (8 July 2026)
Overview: The Berachain team announced the successful completion of a hard fork, a pivotal change that stopped all emissions of the BGT governance token.
This event marked the full activation of the "PoL Next" incentive model, which is now built around sWBERA (staked WBERA). The old system, where users earned BGT for providing liquidity, has been sunset. This hard fork was the execution of economic changes proposed earlier, fundamentally reshaping how value is distributed and captured within the Berachain ecosystem.
What this means: This is bullish for BERA because it directly ties network incentives and rewards to the staking and use of BERA itself, rather than a separate token. This creates clearer demand drivers for BERA and aims to make holding it more valuable for participants.
(Berachain)
3. Security Clarification on Cosmos Vulnerabilities (25 August 2026)
Overview: Following the disclosure of security vulnerabilities in Cosmos-based EVM chains, Berachain clarified that its architecture made it immune to these specific threats.
The team explained that Berachain uses "BeaconKit," which utilizes CometBFT solely for consensus, while a separate custom execution client called "Bera-reth" handles transaction processing. This modular separation means the chain was not exposed to the flaws present in other Cosmos EVM implementations, which use different technical stacks.
What this means: This is bullish for BERA because it highlights the inherent security and robustness of Berachain's unique technical design. It provides confidence to users and developers that the chain is built with a focus on stability and is resilient against broad ecosystem vulnerabilities.
(Berachain)
Conclusion
Berachain's recent codebase trajectory shows a maturing protocol focused on customizing its core infrastructure (Fusaka), overhauling its economic model (PoL Next), and assuring its security foundations. These updates collectively aim to enhance performance, align incentives, and build long-term resilience. Will the successful execution of these technical upgrades be enough to reverse the chain's significant capital outflows and reignite developer activity?