Espresso Systems
@EspressoSys
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We are the lead developers of Espresso, supporting layer-2 rollups with scale, decentralization, and interoperability.
Joined February 2022
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We’re decentralizing Espresso ☕
100 nodes will be running HotShot consensus in our upcoming testnet, Cappuccino.
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We’re excited to announce that Espresso Systems has raised a $28 million Series B round led by
@a16zcrypto
.
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The Espresso Sequencer exists to scale Ethereum rollups.
To support this vision, we're excited to unveil our work integrating with the
@Arbitrum
stack.
This integration is a part of our latest testnet release:
Gibraltar.
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Espresso Sequencer Testnet 1 - Americano - is now released to the public!
Americano is an internal testnet. In future releases, we will start engaging with external validators. Reply here or send us a DM if you are interested!
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We are looking to work with node operator partners as we further decentralize the Espresso Sequencer in its fifth and upcoming testnet, Cappuccino.
If you are interested in becoming an Espresso Sequencer node operator, please consider applying below:
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As Ethereum builds a rollup-centric future, rollups are exploring how to decentralize their sequencer and improve interoperability.
To further this vision, we are building the Espresso Sequencer.
Today, we are excited to announce our second major milestone and testnet:
Doppio.
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We are thrilled to announce that we are partnering with
@OffchainLabs
to improve transaction ordering and to bring a shared sequencing option to Arbitrum technology chains.
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The Espresso Sequencer is a neutral platform that supports Ethereum rollups in decentralizing & empowering users.
Glad today to highlight some of our latest collaborators:
@OffchainLabs
,
@KintoXYZ
,
@OpsideZK
,
@airchains_io
,
@cartesiproject
,
@OmniFDN
, &
@vistaralabs
!
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Rollups are delivering on their promise to scale Ethereum & make it useful for a wider range of applications, but today rely on centralized sequencers.
We are building the Espresso Sequencer: the way rollups will decentralize.
Read more (much more) now:
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We’re excited to announce Kyoto, an Arbitrum Orbit chain integrated with the Gibraltar testnet.
This testnet is co-deployed with the
@alt_Layer
team and is open to the public 🇯🇵☕
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☕️ Testnet 1 and Roadmap Release! ☕️
Today we are sharing more about our plans to contribute to L2 scaling efforts in the Ethereum ecosystem and beyond.
Introducing the Espresso Sequencer:
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The Gibratar testnet sees an external operator running Espresso Sequencer nodes for the first time and features a new integration with the
@Arbitrum
Stack.
Today, we’re excited to highlight our collaborators for Gibraltar:
@Calderaxyz
,
@KintoXYZ
,
@BlockdaemonHQ
,
@airchains_io
,…
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Our mission is to preserve Ethereum's core value: composability.
Based Espresso is our latest development towards a future of composable L2s.
This design sees L2s retain autonomy over their sequencing rights, and supports any Ethereum L2, from based rollups to validiums:
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L2s are the future 🚀 That is why we have launched CAPE on
@arbitrum
testnet!
Experience the custom privacy of CAPE with the low fees of Arbitrum! Set up the application by following the instructions here:
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CAPE is now live on Ethereum's Goerli testnet 🦸🏻
If you don't know, CAPE stands for Configurable Asset Privacy for Ethereum: meaning you get to decide who can see data about your transactions
You can get started with CAPE here:
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Today we are sharing our work integrating the OP Stack. 🔴
OP Stack developers can start leveraging the decentralization, speed, & scale of the Espresso shared sequencer network.
This integration is a part of our latest testnet release:
Cortado.
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The Gibraltar testnet unveiled our integration with the
@arbitrum
stack, paving the way for Orbit chains to integrate with Espresso.
We’re now sunsetting Gibraltar as we prepare to launch our most decentralized testnet yet.
Cappuccino is coming soon ☕
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We have open sourced HyperPlonk!
We are glad to also be collaborating with the Ethereum Foundation on integrating HyperPlonk with their Halo2 library and front end.
Read more here 👇
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At
@permissionless
II, we announced our partnership with
@OffchainLabs
to bring a decentralized version of Timeboost to the
@arbitrum
ecosystem and beyond.
Today, we’re sharing an update on R&D efforts and a jointly authored roadmap:
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Introducing Espresso Systems: a single-shot scaling & privacy solution for Web3.
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The Espresso Sequencer’s integration with the
@arbitrum
stack was publicly released three weeks ago.
Now anyone can deploy applications and test transactions on Arbitrum rollups leveraging the Espresso Sequencer.
Want to test it out?
There’s a few ways to get involved 👇
The Espresso Sequencer exists to scale Ethereum rollups.
To support this vision, we're excited to unveil our work integrating with the
@Arbitrum
stack.
This integration is a part of our latest testnet release:
Gibraltar.
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We are excited to announce an ecosystem partnership with
@eigenlayer
.
We'll be collaborating to bring restaking to the Espresso Sequencer network.
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The Gibraltar testnet has sequenced over 1 million blocks 🎉
The testnet has been live for a little over 2 weeks, and over 70,000 unique addresses have participated in testing Gibraltar.
Gibraltar has also experienced improved up-time compared to previous testnets.
A…
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L2s are scaling Ethereum, but the vast number of rollups threatens to break composability within the Ethereum ecosystem, fragmenting liquidity and creating friction.
Enter: the shared sequencer. 👇
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Rollup decentralization is coming to the
@Injective_
ecosystem.
We are excited to support Injective as they integrate the Espresso Sequencer.
Read on👇
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The Espresso Sequencer recently passed its second major milestone and testnet.
And today, we are excited to share that Doppio is now open to the public.
The ecosystem’s first public testnet for a shared sequencing layer is here:
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Introducing Hyperplonk: a super fast proof system specifically for zkEVMs!
Read all about it 👇
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The
@Calderaxyz
team is back with another rollup deployed on the Espresso Sequencer ☕
Introducing Milan, an Arbitrum rollup leveraging the Gibraltar testnet’s integration with the
@Arbitrum
stack:
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Reminder: If you're interested in running an Espresso Sequencer node for the Cappuccino testnet, the application window to apply closes tonight at 23:59 Pacific (USA) ⌛️
We are looking to work with node operator partners as we further decentralize the Espresso Sequencer in its fifth and upcoming testnet, Cappuccino.
If you are interested in becoming an Espresso Sequencer node operator, please consider applying below:
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A new Espresso Sequencer integration is on the way 🔜
@cartesiproject
’s Technical Vision Council recently voted in favor of integrating with the Espresso Sequencer network:
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We’re excited to announce that the Espresso Sequencer testnet is now integrated with the
@0xPolygon
zkEVM stack.
Rollups built with the Polygon zkEVM stack can leverage the integration to process transactions with the Espresso Sequencer.
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The Espresso Sequencer recently released its third major milestone and testnet, Cortado.
And today we are unveiling the first live, public demo of a shared sequencer.
This demo not only supports multiple rollups, but multiple rollup stacks:
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We think a lot about preconfirmations.
That's why we’ve designed Espresso on HotShot, a consensus protocol specialized in sequencing and fast finality. In our latest blog, we explore this design alongside Tendermint, another well-known consensus protocol.
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We think a lot about rollup preconfirmations.
We have been working on a design we call Byzantine Fault Tolerant (BFT) preconfirmations. In our latest blog, we explore this approach alongside Proposer-Promised preconfs, as initially described in the context of based sequencing:
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"The status quo of trusting centralized sequencers is not great."
While at
@modular_summit
,
@charleslu1
spoke with
@albertchon
of
@injective_
. They covered:
-Injective's history
-Shared sequencing design space on Injective
-& more
Listen to the full conversation below ☕️👇
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We recently announced the Espresso Sequencer is coming to the Injective ecosystem.
And to dive deeper into the collaboration, we’re hosting a Twitter spaces with the
@Injective_
team.
Join us this Wednesday at 10:00am Eastern 🕙
Link here 👉
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We’re excited to see
@OmniFDN
announce their plans to integrate the Omni Overdrive testnet with Vienna! 🔥
We love seeing cross-chain interoperability solutions take advantage of the benefits of shared sequencing.
Expect updates from our teams in the coming weeks!
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Liquidity fragmentation and rollup interop are two of crypto’s biggest UX problems.
How do we solve it? We’re diving into solutions with
@OmniFDN
and
@Calderaxyz
this Friday.
The spaces will be at 1pm Eastern 🕐
Set your reminders 👇
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We’re excited to partner with
@project_shutter
to explore introducing an encrypted mempool for the Espresso Sequencer network:
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Stayin’ alive: some thoughts on impacts of sequencer decentralization in liveness assumptions for L2s 👇 1/
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Join
@cartesiproject
and Espresso Systems at our IRL happy hour in Denver!
We’ll be exploring how a new wave of L2 infra can support app-chains with a variety of virtual machines.
Drinks are on us 🥂 Event information and registration below 👇
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Post your address here and we will send you some test transactions on CAPE's Goerli testnet!
The transactions we send will have privacy configured so that we as admins can see what's being sent, but the general public won't be able to!
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To ensure integrating with the Espresso Sequencer is permissionless, and also support rollups with any type of VM, the Espresso Sequencer leverages the derivation pipeline:
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Congratulations to the
@worldcoin
team on announcing World Chain! ⚪️🤝☕️
World Chain will be secured by Ethereum & engineered for scalability with the Superchain ecosystem, with a broad community of projects building apps for everyday life.
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NEW CHALLENGE:
Create a new asset in CAPE. You can create either a wrapper for ERC-20s or a completely new CAPE asset.
Fill out the form here to share your asset's metadata with the community and enable others to add your asset to their library!
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We’re stoked to take Ethereum “Back to the Future” this upcoming Monday with
@cartesiproject
⏳
It’ll be a night focused on bringing an internet-like experience to Web3.
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Since our upcoming testnet is on the horizon, we've decided to sunset Cortado.
Our team is fully focused on releasing the Espresso Sequencer's next testnet, Gibraltar, in January:
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Cortado: Espresso Testnet 3 Status and Updates
Cortado is the first publicly deployed testnet for a decentralized shared sequencer, integrating with multiple rollup stacks.
A primary goal of our testnets is to uncover improvements and fixes that we should prioritize on our way…
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Going to
#ETHDenver
and planning on attending the
@Arbitrum
Shake Shack Takeover on March 1st?
We’ll be hosting a happy hour right next door 🥃
Come meet the
@EspressoSys
team and learn more about our work in the Arbitrum ecosystem ☕
🕟 March 1 from 5-8pm
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"The future of crypto assets and Web 3 applications can empower builders to be intentional about who sees their users’ data."
Read more from
@jillrgunter
in
@CoinDesk
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Espresso Systems Head of Strategy
@jillrgunter
and GC
@M_Mosier_
will be hosting a conversation with leaders in privacy, policy and beyond on Friday at 11am PT / 2pm ET.
Set your reminder here!
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This Saturday we’re going Beyond the Base Layer.
Interested in L2s, rollups and the applications we can deploy on top of them?
Come learn from speakers from
@EspressoSys
,
@base
,
@0xPolygon
,
@OffchainLabs
,
@eigenlayer
,
@cartesiproject
, and more.
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The Vienna OP rollup got rickrolled.
If you’ve been following developments in the Espresso Systems ecosystem, you may have seen our announcement that Cartesi put a 17MB video through the Espresso Sequencer.
We expected this video to be isolated to the Cartesi rollup running on…
Rickrolling over a shot of espresso ☕
While exploring an integration with the
@cartesiproject
stack,
@stskeeps
submitted a 17MB video over the Espresso Sequencer.
Demo below 👇
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We’re diving into encrypted mempool designs and how to combat malicious MEV with
@project_shutter
.
We’ll also discuss two potential designs related specifically to our collaboration.
Join us on March 5, 14:30 UTC on Spaces.
Set your reminders here 👉
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Proposer-Builder Separation helps achieve validator decentralization for blockchains.
As we build HotShot to be compatible with PBS, we look to address one of its key outstanding problems: fair exchange between proposers and builders without reliance on trusted third parties.
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Why you should care about DPC (Decentralized Private Computation) 👇
A lot of people are asking right now what happens if validators start excluding Tornado Cash transactions, given the smart contracts are now listed as sanctioned.
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"Safely ensuring privacy for the digital economy will be a core global competitive advantage."
Read more in this oped by our GC
@M_Mosier_
along with former CFTC CIO
@DGorfine
:
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Two weeks ago, speakers from 23 industry-leading projects joined
@BTBLayer
.
We discussed infra, different stacks and their tradeoffs, and the process of choosing an L2 stack to deploy on.
Grab a shot of espresso and listen to some of Ethereum's finest builders ☕
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The Espresso Sequencer is agnostic and doesn’t tailor any services to a specific L2.
Ensuring credible neutrality is a key design principle, and something our team carefully implemented into the protocol.
Why did we prioritize this? 🧵
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We’re excited to support
@CatalystAMM
improve cross-rollup liquidity!
The cross-chain AMM platform will be prioritizing rollups that deploy on the Espresso Sequencer to take advantage of the interoperability support we offer.
Read more here:
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We can separate transaction ordering out into a layer 1.5 – creating a design with different benefits and tradeoffs from the L1.
This Layer 1.5 can be run by the same physical nodes as the Ethereum Layer 1, yielding the same trust assumptions as Ethereum itself.
🧵
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Drop the sequencer.
Just Espresso ☕️
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Rickrolling over a shot of espresso ☕
While exploring an integration with the
@cartesiproject
stack,
@stskeeps
submitted a 17MB video over the Espresso Sequencer.
Demo below 👇
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We'll be right next door!
Come join us at the Espresso Builders Happy Hour after your Arbiburger 🍔☕️
Today at
@shakeshack
💙
Join us for a burger (or veg option) at Denver!
We are looking forward to seeing you and sharing an
#Arbiburguer
👀
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We have found & developed fixes for a few bugs in the Espresso Sequencer consensus supporting the Cortado testnet. The testnet is down while we prepare & deploy these fixes.
Thanks to all testnet users who helped us discover & identify these. Stay tuned for updates.
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CAPE is up and running smoothly again after more upgrades this week.
If you haven't used CAPE to create, send and receive private assets yet, get started here:
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Reminder: Our call with
@BlockdaemonHQ
is tomorrow at 15:00 UTC.
We'll be diving into Blockdaemon's experience running an Espresso Sequencer node.
Interested in running a node for our upcoming testnet, Cappuccino?
Set your reminders here 👉
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The
@CartesiProject
team made history by Rickrolling a rollup. 🕺
To celebrate, we’re co-hosting an R&D call where we'll cover their integration and how they sent a 17MB video over the Espresso Sequencer.
Join us on October 31, 13:30 UTC 🕜
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The Espresso Sequencer and Espresso DA are coming to
@alt_layer
and its users.
We are glad to support AltLayer in integrating with us to provide another option that supports decentralization, scale, and interoperability:
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We are glad to share that our proposal for building the OP Stack’s Leader Election proof-of-concept has been accepted.
We are thrilled to be contributors to the OP Stack and the Superchain.
You can read our proposal here 👉
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gm Austin
Later today, we'll be hosting a rollup roundup with
@OffchainLabs
!
4:30pm -
@cooper_kunz
@aztecnetwork
&
@stonecoldpat0
@arbitrum
talk governance
5pm -
@benafisch
@EspressoSys
&
@sgoldfed
@OffchainLabs
talk transaction ordering
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Be a part of helping us shape the future of Espresso!
If you have used CAPE on Goerli testnet, please fill out the following questionnaire!
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We’ve been collaborating with
@cartesiproject
, a rollup framework powered by the Cartesi Virtual Machine that enables developers to launch app-specific optimistic rollups with a Linux runtime.
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Introducing VERI-ZEXE!
VERI-ZEXE is a decentralized private computation system that will be used in future versions of CAPE to enable arbitrary, user-defined privacy policies for Web3 assets and interactions.
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Glad to be supporting the
@z_prize
alongside leaders like
@AleoHQ
,
@0xPolygon
,
@ethereum
foundation and others.
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Our spaces with
@eigenlayer
is starting soon!
Join us as we chat restaking on the Espresso Sequencer 👇
🚨 The time for tomorrow's Twitter spaces with
@eigenlayer
's
@sreeramkannan
has been moved forward an hour.
The spaces will now kick off at 20:00 UTC.
Please see the updated time below 👇
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Have you tried CAPE on
@arbitrum
yet?
If so, let us know what you think or post a screenshot of what you've built / wrapped / issued here!
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Catch co-founder
@jillrgunter
discussing DeFi and digital assets at the
@BIS_org
Innovation Summit next week.
Register here 👇
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Credible neutrality, improved interop and more revenue ☕
@ellierdavidson
joined
@therollupco
to share how Espresso’s marketplace can unlock more value for rollups.
Watch the full presentation below 👇
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Looking forward to expanding the platforms that have configurable privacy with CAPE! Very glad to be working with
@zksync
.
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Pretty cool walkthrough of CAPE's viewing and freezing capabilities made by user / community member
@islakwcterlii
! There's also a version in Turkish!
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We’re at
@MessariCrypto
's
#Mainnet2023
🗽
@benafisch
is joining a panel discussion on shared sequencers with
@jskybowen
,
@ZeroKnight_eth
, Bowen You of
@Fair_block
, and
@sunnydece
.
Building a rollup and at the event? Info below 👇
🕟 16:35 Eastern
🔗
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In addition to integrating with the OP Stack, we’re also excited to provide an update on our work for the Optimism Collective’s Leader Election proof of concept:
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At Espresso Systems, we are working on sequencer infrastructure to support L2s in reaching their decentralization, scaling, and interoperability goals.
We are glad to contribute to
@aztecnetwork
's decentralization process as they pioneer scaling and privacy on Ethereum.
Aztec's decentralized sequencer selection protocol has eight promising candidate proposals.
Today we're highlighting Espresso Martini, a decentralized sequencer selection protocol for Aztec submitted by
@EspressoSys
:
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In our latest blog, we outlined how rollups can leverage a unique derivation pipeline.
In this design, the sequencer is still including transactions from multiple rollups in the same block.
We can use this to improve atomicity for cross-rollup transactions 🧵
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Our demo of the Espresso Sequencer’s integration with the Polygon zkEVM stack is now public.
Anyone can test the integration with a M*taMask wallet.
Want to give it a spin?
Follow the steps in the user guide linked below 👇
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Gibraltar is the first shared sequencer network to be run by external operators.
In this latest testnet, we’ve been working with
@BlockdaemonHQ
to decentralize the Espresso Sequencer network by adding more nodes, cloud environments and geographies.
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Great recap of our discussion with
@aztecnetwork
last week!
If you care about rollup decentralization, grab a coffee and take a read ☕️
1/14 Just wrapped up a fascinating 1-hour twitter space between
@aztecnetwork
and
@EspressoSys
on how we are approaching decentralised sequencing, Espresso's proposals and more.
Here are my key takeaways 🧵👇
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ICYMI,
@aztecnetwork
is selecting a decentralized sequencer for the next version of Aztec
And
@EspressoSys
submitted two proposals for consideration
Join us for a spaces on Aztec's plans, Espresso's proposals, and the decentralized future of L2s 🤝
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In today’s release of Cortado, we’ve also co-deployed Vienna, a publicly hosted OP Stack rollup, with
@calderaxyz
.
The deployment makes Caldera the first RaaS platform to integrate a decentralized, shared sequencer.
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10
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Happening now!
@charleslu1
from Espresso will be joining to discuss our plans on integrating restaking with the Espresso Sequencer through our partnership with
@eigenlayer
.
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We plan for Cappuccino to be run by a network of nodes that are geographically dispersed, spanning several cloud and bare metal environments.
Learn more about our plans for decentralizing Cappuccino, and applying to run a sequencer node, in our blog:
5
4
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Vienna is back online!
When
@CartesiProject
put a 17MB video of Rick Astley through the Espresso Sequencer, a quirk in our system saw Vienna attempt to process a proof containing this enormous transaction, even though it wasn’t relevant to Vienna.
We patched the issue on the OP…
The Vienna OP rollup got rickrolled.
If you’ve been following developments in the Espresso Systems ecosystem, you may have seen our announcement that Cartesi put a 17MB video through the Espresso Sequencer.
We expected this video to be isolated to the Cartesi rollup running on…
0
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82
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18
52
The Espresso team will be at zkSummit in Athens 🏛️
We're eager to connect with the community and share our latest work on Jellyfish, VID, and other public infrastructure ☕
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What types of assets do you want to see offer privacy?
NFTs, stablecoins, governance tokens…
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At
@BTBLayer
, our CEO
@benafisch
presented a bridging demo using Espresso.
In the demo,
@AcrossProtocol
is deployed on top of a rollup that receives a preconfirmation from HotShot within seconds.
Espresso Preconfirmations = faster & more secure bridges ☕⚡
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Come join us: we are hiring! All remote positions. Check it out 👇
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