Base has launched Azul, a significant upgrade to its network. This update enhances security with multiproof technology, speeds up withdrawals, and allows the network to handle up to 5,000 transactions per second during peak times.
Layer 2 network Base is rolling out its first independent upgrade, called Azul.
The team has launched the upgrade on the test network. They plan to activate it on the main network around May 13, 2026. This upgrade, called Azul, will make the network more secure, faster, and easier for developers to use.
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Base Azul Brings Multiproof Security to the Network
Security sits at the center of the Azul upgrade.
Base stated that all of its blockchain components and verification methods were thoroughly audited, both by their own team and by independent experts.
From April 21st to May 4th, the team hosted a security audit competition on Immunefi. They offered rewards of up to $250,000 to anyone who discovered and reported serious flaws in the system.
As an analyst, I’m seeing that Azul has implemented a new multiproof validation system on Base. Essentially, it merges Trusted Execution Environment (TEE) and Zero-Knowledge (ZK) proofs into a single layer. The key thing is that either proof type – TEE or ZK – can independently confirm a proposal, offering a flexible and robust validation process.
Once both parties confirm, funds can be available within just one day. This was highlighted as a significant advancement towards the next phase of decentralization.
As an analyst, I’ve reviewed the system’s design and it aligns with Vitalik Buterin’s proposed roadmap for Layer 2 finalization. This means that to disrupt quick withdrawals, an attacker would have to simultaneously break into several separate and independent systems, making it significantly more secure.
Anyone can submit a ZK proof, and if it clashes with a proof from a Trusted Execution Environment (TEE), the ZK proof takes precedence. This strengthens the network’s overall security.
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Throughput Gains and Client Stack Changes Power Performance Push
Base has been performing very well even before its official launch. They’ve significantly improved network efficiency, reducing the number of empty blocks from approximately 200 daily to just 2.
The team successfully achieved several periods of high performance, reaching 5,000 transactions per second. This improvement came after several months of simplifying and streamlining our systems.
Azul is streamlining Base by moving everything onto one powerful system. From now on, only the base-reth-node will be used to process transactions. A new consensus system, called base-consensus and built with Kona, will handle agreement on those transactions, replacing the older methods.
Base has already improved how quickly it syncs with past blockchain data. This upgrade will remove support for all consensus and execution clients except the current one.
I’m hearing the team is planning to combine these two clients into one program called “base” over the next few months. Apparently, this is all part of their bigger plan to significantly speed things up – they’re aiming for a throughput of 1 gigagas per second, which would be a huge improvement.
Node operators will need to migrate to the new clients before mainnet activation.
— Base Build (@buildonbase)
What the Base Azul Upgrade Means for Users and Developers
Regular users will not need to take any action ahead of the upgrade.
Base announced that transferring funds from Base to Ethereum will become quicker as its new multiproof technology improves. Once fully activated, the upgrade will make the network faster, more secure, and less expensive to use.
Developers will see most applications require no changes.
Teams who frequently use MODEXP or process large transactions need to familiarize themselves with the specification updates before May 13th. Additionally, Base is updating its systems to match the newest standards from Ethereum, a process known as Osaka adoption.
Looking ahead, Base shared plans for two more upgrades this year.
We’re planning two major improvements this summer. By the end of June, we’ll launch updates to boost performance, including support for a standard token type and faster withdrawals. Then, around the end of August, we’ll focus on improving user experience with native account abstraction.
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2026-04-22 13:17