Free tools Windows power users keep installed
One-click scans. No signup required.
Ethereum Economic Zone (EEZ) has reported a test of an atomic transaction from Ethereum mainnet (L1) to a rollup (L2), a milestone toward its proposal for synchronous interaction across Ethereum networks. Cointelegraph reported on Oct. 6, 2026, that EEZ contributor Eduardo Antuña Díez shared a test whose logs showed a cross-chain call carrying 0.001 ETH and a rollup state update. The report links to his post and a transaction explorer, but those underlying records were not independently accessible for verification.
What is the Ethereum Economic Zone?
EEZ is a proposed interoperability framework associated with Gnosis and Zisk. Its goal is to let Ethereum mainnet and rollups—and potentially other networks—call into one another synchronously, within a transaction, rather than relying on separate asynchronous steps through bridges. The project was proposed as a way to reduce fragmentation between rollups and make applications and liquidity more connected. That is a design goal, not evidence that EEZ is broadly deployed or that existing bridge use has been eliminated. Cointelegraph’s March 29, 2026 report on the proposal said technical details and performance benchmarks were expected later.
What did the atomic L1-to-L2 test show?
According to Cointelegraph’s Oct. 6, 2026 report, the transaction logs showed a cross-chain call involving 0.001 ETH and a state update for a rollup. Antuña Díez described it as the “first atomic cross-chain” L1-to-L2 transaction, as reported by Cointelegraph. Because the linked post and explorer record were not independently accessible, those details should be understood as the publication’s account of the test, not as independently verified transaction data.
The test is evidence of a reported development milestone. It does not establish production readiness, broad network participation, or measured performance such as latency, throughput, or fees. Hydration co-founder Jakub Gregus called the demonstration “one of the most important milestones” in crypto; that is his assessment, not a performance measurement.
Recommended Free Tools
#1 Best Overall
- Read Before You Buy — No Video Output: These adapters support charging and USB 2.0 data transfer, but cannot transmit video signals. Except for standard USB webcams (which use USB data only), they are not compatible with HDMI/DisplayPort cables, video-capable USB-C hubs, or docking stations with video output.
- Convert USB-A Ports to USB-C: Designed to connect USB-C earphones, cables, flash drives, card readers, and other USB-C accessories to standard USB-A ports. Plug-and-play with no drivers or software required.
- Aluminum Alloy Housing: Built with a sturdy aluminum alloy shell that aids in heat dissipation and protects against daily wear and scratches. Designed to maintain a stable and secure connection.
- Compact & Travel-Friendly: The ultra-compact design allows the adapter to stay plugged into your device without blocking adjacent ports or adding bulk, reducing wear and tear on your original USB ports.
- 12-Month Warranty: Backed by a 12-month manufacturer warranty for peace of mind. Designed to meet strict quality control standards for reliable everyday performance.
What does “atomic” mean in a cross-chain transaction?
Atomicity means linked actions are treated as one operation: they either all succeed, or they are all reversed if a component fails. In a cross-chain setting, that matters because a partial outcome could leave one network updated while another has not completed its corresponding action.
Cointelegraph’s April feature describes EEZ’s proposed model as allowing a contract on one network to call a contract on another and receive a response within the same block. Gnosis co-founder Friederike Ernst said builders could recognize cross-network calls and include both transactions atomically. This is an account of the intended design; it should not be read as proof that the October test demonstrated every part of that model. The feature, published April 27, 2026, also discusses the project’s design constraints.
Rank #2
- 5-in-1 USB-C Hub: Experience comprehensive connectivity featuring a Power Delivery input, two USB-A 2.0 ports, a USB-A 3.0 port, and an HDMI port. (Note: The USB-C power delivery input port is only for connecting an external wall charger to power your laptop and cannot power peripheral devices.)
- 90W Pass-Through Charging: Achieve optimal charging with 90W pass-through power to your laptop, supported by a total input of 100W, with the hub reserving 10W for operational efficiency. (Note: Wall charger not included.)
- Quick Data Transfers: Accelerate your productivity with rapid data transfers using a high-speed 5Gbps USB 3.0 port and two 480Mbps USB 2.0 ports.
- 4K HDMI Display: Enhance your visual experience with a hub capable of delivering 4K resolution at 30Hz in both mirror and extend modes. Please note that this hub is compatible with MacBook (macOS 12 and newer), Windows 10 and 11, ChromeOS, and laptops equipped with DP Alt Mode and Power Delivery. Note: This device is not compatible with Linux.
- What You Get: Anker USB-C Hub (5-in-1, 4K HDMI), welcome guide, 18-month warranty, and our friendly customer service.
How this differs from a bridge flow
Many bridge-based interactions involve one network sending a message or asset and another processing it later. EEZ’s stated aim is synchronous execution: linked actions could complete as part of the same transaction flow. That may reduce the need for applications to treat each network as an isolated deployment, but the cited material does not establish that all bridge use disappears or that every network can use EEZ today.
Separate protocol research is background, not an EEZ specification
Two 2020 papers describe possible mechanics for atomic cross-chain protocols. One explains provisional state updates, coordination contracts that record success or failure, timeouts that discard updates, and locking that can constrain concurrent calls. Another examines safety, liveness, gas use, and latency. These papers illustrate the general engineering problem; they do not document EEZ’s implementation or supply benchmarks for its test.
Rank #3
- Sleek 7-in-1 USB-C Hub: Features an HDMI port, two USB-A 3.0 ports, and a USB-C data port, each providing 5Gbps transfer speeds. It also includes a USB-C PD input port for charging up to 100W and dual SD and TF card slots, all in a compact design.
- Flawless 4K@60Hz Video with HDMI: Delivers exceptional clarity and smoothness with its 4K@60Hz HDMI port, making it ideal for high-definition presentations and entertainment. (Note: Only the HDMI port supports video projection; the USB-C port is for data transfer only.)
- Double Up on Efficiency: The two USB-A 3.0 ports and a USB-C port support a fast 5Gbps data rate, significantly boosting your transfer speeds and improving productivity.
- Fast and Reliable 85W Charging: Offers high-capacity, speedy charging for laptops up to 85W, so you spend less time tethered to an outlet and more time being productive.
- What You Get: Anker USB-C Hub (7-in-1), welcome guide, 18-month warranty, and our friendly customer service.
- Atomic Crosschain Transactions White Paper (2020)
- General Purpose Atomic Crosschain Transactions (2020)
Which networks could participate?
EEZ participation is not established as open to every rollup or blockchain. In the April feature, Ernst described three requirements for potential participants:
- A well-defined state transition function.
- A way to prove the state of each block.
- The ability to reorganize in sync with Ethereum.
That last requirement can be demanding for networks whose state changes do not follow Ethereum reorganizations. Ernst called it “a pretty tough” requirement for many chains, while describing it as part of the cost of accessing Ethereum’s ecosystem. Her comments describe proposed participation criteria, not a public compatibility list.
Rank #4
- Dual Converters, Infinite Potential：Includes 2× USB C male to USB A female adapters and 2× USB A male to USB C female adapters. Perfect for a wide range of uses—tablets with Bluetooth keyboards, expand USB ports on macbook, and more. Two different converters for all your daily needs
- Next-Level 10Gbps & 3A Charging: No more slow 480Mbps, this usb to usb c adapter has a transfer speed of up to 10Gbps, allowing you to do more transferring in less time. This usb adapter fits both USB A and USB C charger, supporting up to 3A fast charging
- Upgraded Exquisite Craftsmanship: With an aluminum alloy housing and metal connector, the usbc to usb adapter is extremely durable and sturdy. Rigorously tested to withstand more than 10,000 times of plugging and unplugging, ensuring long-lasting performance
- Broad Compatible: The usb c to usb adapter widely supports all USB C/ USB A devices like laptops, tablets, cellphones, car chargers, and phone chargers. Such as compatible with MacBook Pro/Air 2023/2022, Thunderbolt 4/3 Devices,Apple MagSafe Watch 9/8/7/SE/Ultra, iPad Pro 2022/2021, Samsung Galaxy S23/S20/S10, and iPhone 17/16/15 Pro. Plug and play
- Please Note: To reach 10Gbps speed, keep the cable under 3.3 ft. For USB A Male to USB C adapters, try flipping the USB C connector. USB C Male to USB A adapters support bidirectional 10Gbps transfer within 3.3 ft
Why does EEZ target rollup fragmentation?
When applications are deployed separately across L2 networks, users, liquidity, and protocol maintenance can be split among those environments. Ernst told Cointelegraph that this leads rollups to replicate established L1 applications and forces protocols to maintain multiple versions of the same system. EEZ’s intended synchronous calls could make applications less isolated, but the available reporting does not demonstrate that it has already consolidated liquidity or removed duplicated deployments.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What is known about EEZ’s development status?
- March 29, 2026: Cointelegraph reported that developers from Gnosis and Zisk, with Ethereum Foundation backing, proposed EEZ as a framework for connecting rollups and Ethereum mainnet in a single transaction without bridges. Technical details and performance benchmarks were described as forthcoming at that time.
- April 27, 2026: Cointelegraph published an interview feature on the synchronous-composability goal and reported Ernst’s proposed requirements for participating networks.
- Oct. 6, 2026: Cointelegraph reported Antuña Díez’s test announcement and the transaction-log details.
On the evidence in these reports, the October transaction is a test milestone within a developing proposal. No EEZ benchmark or broad-availability claim is established by the cited coverage.
Do these 3 things before closing this tab:
1Repair Windows errors before they cause bigger problems2Scan for outdated or missing drivers - takes under a minute3Clear out junk files and repair common Windows errorsQuick Recap
Best Value
- 5-in-1 Connectivity: Equipped with a 4K HDMI port, a 5 Gbps USB-C data port, two 5 Gbps USB-A ports, and a USB C 100W PD-IN port. Note: The USB C 100W PD-IN port supports only charging and does not support data transfer devices such as headphones or speakers.
- Powerful Pass-Through Charging: Supports up to 85W pass-through charging so you can power up your laptop while you use the hub. Note: Pass-through charging requires a charger (not included). Note: To achieve full power for iPad, we recommend using a 45W wall charger.
- Transfer Files in Seconds: Move files to and from your laptop at speeds of up to 5 Gbps via the USB-C and USB-A data ports. Note: The USB C 5Gbps Data port does not support video output.
- HD Display: Connect to the HDMI port to stream or mirror content to an external monitor in resolutions of up to 4K@30Hz. Note: The USB-C ports do not support video output.
- What You Get: Anker 332 USB-C Hub (5-in-1), welcome guide, our worry-free 18-month warranty, and friendly customer service.
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
