Deep Dive
1. Mainnet v1.7 Upgrade (10 March 2026)
Overview: This upgrade focused on backend improvements, requiring a brief 30-minute network downtime. It primarily enhanced the software development kit (SDK) tools and the performance of Remote Procedure Call (RPC) services, which are critical for dApps to communicate with the blockchain.
The update optimised the core infrastructure that developers rely on to build and run applications. By improving RPC performance, the network can handle data requests more swiftly and reliably, leading to a smoother experience for both developers and end-users interacting with DeFi protocols or NFT marketplaces.
What this means: This is bullish for CRO because it makes the underlying network more robust and efficient. Developers can build more responsive applications, which can attract more users and increase overall network activity, potentially driving demand for CRO.
(Phat Taco)
2. POS Mainnet v7 Upgrade (20 May 2026)
Overview: Scheduled as a major network upgrade, V7 aims to significantly improve network speed and interoperability. Key changes include compressing block times for faster transaction finality and enhancing compatibility with Ethereum Virtual Machine (EVM) bridges.
The upgrade requires node operators to update their software at a specific block height, after which the network will temporarily halt until a supermajority of validators restarts. For regular users, no action is needed, but they will benefit from the resulting performance gains.
What this means: This is bullish for CRO because faster block times mean quicker payments and NFT settlements, improving the user experience for everyday transactions and complex DeFi operations. Enhanced EVM compatibility makes it easier for projects from other chains to migrate, potentially expanding the ecosystem.
(Nikxlaos)
3. "Smarturn" EVM v1.5.0 Upgrade (30 October 2025)
Overview: The "Smarturn" upgrade introduced advanced Ethereum compatibility features, most notably support for EIP-7702. This standard allows regular wallet accounts to temporarily act like programmable smart contract wallets.
The upgrade also aligned Cronos's virtual machine with the latest Ethereum standards (Cancun & Prague forks), added new operational codes (opcodes) for developers, and introduced infrastructure improvements like a more efficient RPC endpoint for fetching block data.
What this means: This is bullish for CRO because smart accounts enable gasless transactions and batch operations, making DeFi much easier and cheaper for average users. Keeping pace with Ethereum's developments ensures developers have access to modern tools, making Cronos a more attractive platform for building next-generation dApps.
(Cronos)
Conclusion
Cronos is systematically enhancing its core technology to be faster, more developer-friendly, and user-accessible, with a clear trajectory toward supporting advanced applications like AI and institutional tokenization. Will the upcoming improvements in speed and interoperability be enough to catalyze the next wave of ecosystem growth?