This game-changing upgrade cuts block times from 2 seconds down to just 200 milliseconds—a 10x speed improvement.
Flashblocks are already live on testnet and set to hit the mainnet in Q2-2025. Let’s discover more about this news for Base.
What Are Flashblocks?
Flashblocks are sub-blocks created by block builders and streamed to nodes every 200ms. This means transactions get confirmed much faster, without the risk of failed transactions causing headaches for users. The technology also provides native revert protection, making it safer for traders and developers alike.
For builders looking to get ahead of the curve, Flashblocks are available now on the Base Sepolia testnet. Early integration allows teams to prepare for the mainnet launch and take advantage of lightning-fast execution speeds.
Flashblocks make Base faster
This 10x change makes Base the fastest EVM chain to date, bringing effective block times from 2 seconds down to 200 milliseconds —and they’re live on testnet right now + coming to mainnet in Q2 pic.twitter.com/q4eKK6iapd
— Build on Base (@buildonbase) February 27, 2025
Why This Matters
Speed is the name of the game in blockchain, and Base is taking the lead. A faster chain means quicker transactions, better user experiences, and improved efficiency for decentralized applications (dApps). Whether you’re swapping tokens, minting NFTs, or running a DeFi protocol, waiting around for slow confirmations can feel like watching paint dry. With Flashblocks, those days are over.
This upgrade also makes Base more competitive against other Layer-2 solutions. The race to scale Ethereum is heating up, and Base is stepping on the gas. By reducing block times to 200ms, Base is setting a new standard for speed in the EVM ecosystem.
Builders can start integrating Flashblocks on Base Sepolia testnet — resources:
Base Sepolia full block RPC endpoint: https://t.co/3ybh5slynn
Base Sepolia flashblock RPC endpoint: https://t.co/Kp11geQ2XCLive demo: https://t.co/o82zPDExOb
— Build on Base (@buildonbase) February 27, 2025
What’s Next?
The Flashblocks testnet is already live, giving developers a chance to integrate and test the new system. By Q2-2025, the technology will be deployed on the mainnet, making Base the go-to network for high-speed transactions.
Disclaimer
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