Coinbase’s Layer-2 blockchain network, Base, has introduced three innovative tools aimed at improving transaction speed, scalability, and user accessibility.
Announced on February 27 at ETHDenver 2025, the new features include Flashblocks, Base Appchain, and Smart Wallet Sub Accounts.
Faster Transactions with Flashblocks
To enhance processing speed, Base has rolled out Flashblocks technology, which significantly reduces block time from two seconds to just 200 milliseconds. The tenfold improvement is expected to make transactions nearly instantaneous.
The Flashblocks feature is currently available for testing on the Base Sepolia testnet, with a full rollout on the mainnet planned for the second quarter of the year.
Layer-3 Appchains for Enhanced Scalability
Recognizing the need for greater scalability, Base has also introduced Appchains—dedicated Layer-3 chains designed for applications requiring efficient scaling. These app-specific chains, built using the op-enclave framework, provide dedicated blockspace for high-traffic applications.
Streamlining User Experience with Smart Wallet Sub Accounts
In an effort to simplify blockchain interactions, Base has also launched Smart Wallet Sub Accounts, a feature that allows users to manage multiple onchain accounts within a single wallet.
This enhancement reduces the need for repeated logins and minimizes disruptive pop-ups, creating a smoother user experience. Similar to Flashblocks, this tool is available on the testnet and is scheduled for mainnet deployment in Q2 2025.
With these advancements, Base is positioning itself as a more efficient and user-friendly blockchain network, potentially driving greater adoption of decentralized finance (DeFi), non-fungible tokens (NFTs), and blockchain-based gaming.
However, Base has no plans to launch its own token, meaning increased usage of its platform could boost demand for Ethereum, which is required for transactions and gas fees on the network.
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