7Block Labs
Decentralized Finance

ByAUJay

Building ROI-First DeFi Platforms with 7Block Labs

At 7Block Labs, we really think that when you're building decentralized finance (DeFi) platforms, keeping an eye on return on investment (ROI) is super important. Our goal is to provide you with fresh, innovative solutions that boost your profits while also giving your users an amazing experience that feels effortless.

Why ROI Matters in DeFi

In the ever-evolving world of DeFi, paying attention to your return on investment (ROI) can really set you apart. So, here’s the deal: you might want to pay attention to this.

  • Sustainable Growth: When platforms focus on delivering a solid return on investment, they tend to catch the eye of serious investors who are really looking to stick around for the long run.
  • User Trust: When people notice a platform that's really dedicated to boosting their returns, it creates a sense of trust and helps build loyalty.
  • Investment Appeal: Investors are constantly searching for projects where their money can really do its thing. If you're really keen on getting noticed, keeping an eye on your ROI is key.

What We Offer

At 7Block Labs, we’re all about helping you succeed. We’ve got a range of services tailored just for you! Take a look at what we've got for you!

  • Custom Development: We create solutions just for you, designed to meet your unique needs.
  • Smart Contract Audits: We totally get how important it is to keep your project safe, and that’s our number one goal!
  • Token Economics: We’ll work with you to create a token model that not only draws users in but also keeps them engaged over time.

Our Process

We take a pretty organized approach to make sure your DeFi platform really shines.

1. Discovery Phase: We really dive in to get a grasp on your goals and what’s happening in the market. 2. Design & Development: Our team creates a smooth and easy-to-navigate interface, along with a strong backend that supports everything seamlessly. 3. Testing & Launch: We're going to put everything through some serious testing to make sure we smooth out any bumps before we go live. 4. Post-Launch Support: We won't just leave you hanging once everything's launched. We're committed to helping you out with ongoing maintenance and upgrades whenever you need them.

Join Us

If you're looking to level up your DeFi project, don't hesitate to reach out to us! We’re here to help you make it happen. Let’s team up to build a platform that’s not just useful, but genuinely rewarding for your users! Together, we can make it an awesome experience.

Contact Us

Let’s create a future where your DeFi dreams really come to life, one ROI-driven platform at a time!

The specific headache you’re probably living with

  • Your fee model was created back when the economic landscape was pretty different, before the whole Dencun shift happened. Thanks to EIP-4844, the costs for posting data on Layer 2 have really dropped, with fees plummeting by about 50-90%. It’s like we’ve entered a whole new blob fee market! But there’s a bit of a twist: this only works if your pipeline is actually generating type-3 (blob) transactions, and you need to make sure your sequencer pricing matches up with the changes in the blob base fee. If that's not the case, then you might be paying too much and not pricing things right. (eips.ethereum.org).

Uniswap v4 isn’t just a minor upgrade from v3 with a handful of new features. Introducing hooks and the singleton PoolManager really shakes things up! It totally transforms how we handle accounting, create pools, set fees, and manage risks like MEV and sandwich attacks. It’s a game-changer, for sure! If you're working with designs that are made for v4, you'll definitely see a big difference in how they handle spreads and keep LPs safe. It's way more effective than just reusing that old v3 code! (docs.uniswap.org).

  • These days, MEV and intent rails are basically essential tools. So, when it comes to orderflow auctions like MEV-Share, batch auctions like CoW, and tools like Protect RPC, they can really change the game for things like slippage, the costs you face from failed transactions, and user refunds. But here’s the thing: it all comes down to how you integrate them. Get that part right, and you're golden! Alright, let’s break this down. When you think about privacy hints, it’s all about keeping your data safe and sound, right? Then there’s backrun eligibility, which is basically figuring out if you can jump in on those sweet opportunities. Don’t forget about SSE streams--those are super important for gathering and processing data efficiently. And oh, the solver competition! That’s where the real fun happens, with everyone trying to outsmart each other. Got all that? Let’s dive deeper into each one! (docs.flashbots.net).

Cross-chain flows are pretty chaotic right now! So, using USDC with CCTP, which is basically the burn-and-mint method, is a whole different ball game compared to using message-bridged wrappers. Each of them--like CCIP, L0, and Wormhole--has its own way of handling trust and rate-limits. It's good to keep that in mind when you’re deciding which one to use! Mixing this up can really create some unnecessary risks for your assets and governance. (developers.circle.com).

Looks like there are some leaks in your wallet funnel. If you want to see fewer drop-offs, using ERC-4337 for gas sponsorship, batched calls, and custom authentication can really make a difference. Just make sure you’ve got your paymasters and bundlers lined up correctly to fit your economic model--this means thinking about things like refunds, quotas, and token fees. Getting this part right is key to making those improvements stick! (docs.erc4337.io).

The Hidden Costs of Missed Revenue and Deadlines

  • When L2 costs are off, it really tightens up those unit margins. Hey there! Just a heads up--if your sequencer fee setup doesn’t factor in those crazy fluctuations in blob prices and the optimizations for MCOPY and transient storage, you could end up shelling out cash for L1 data two times. Yikes! Exactly! It’s like you’re hit with fees once on-chain, and then they inflate the incentives just to cover up those costs. A lot of projects end up losing a significant amount--sometimes even double-digit basis points--due to what we call silent leakage. If you're curious and want to dive deeper into this, just click here for more info!

So basically, the AMM logic from v3 has made its way into v4, which means we've seen a drop in spread and a bump in LVR. If you don’t have the right strategies in place for dynamic fees and sandwich protection, you’re essentially giving away your profitable trades to the competition. Plus, it could lead to higher losses for liquidity providers compared to what they’d get from rebalancing. It’s definitely worth taking a closer look at how you can improve your approach! What's really awesome about v4's singleton and flash accounting is that you can jump in at just the right times. If you want to dive deeper, check out the docs. They’ve got all the info you need!

  • When MEV isn't managed, it leads to higher slippage and customer acquisition costs (CAC). ** So, if your swaps aren’t going through batch auctions or OFAs, users might end up dealing with slippage and potentially missing out on refunds. That kind of situation is just asking for users to jump ship and find apps that do the job better. Absolutely, pulling all this together isn’t exactly a stroll in the park--there's a lot to consider like alt mempools, hinting, and backrun payloads. But honestly, putting these features on hold could really take a toll on your retention rates. If you want to dive deeper into it, just check it out here.
  • Cross-chain errors can lead to frozen funds and damage to your reputation. Hey there! Just a heads up: if you're using the default LayerZero settings and not paying attention to those CCIP rate limits, or if you’re looking at CCTP as just a straightforward lock-mint bridge, you might run into some trouble. This could lead to blocked pathways or some misunderstandings, which can really slow down your launch. Just something to keep in mind! Hey, don’t let these hiccups throw you off track! Make sure to take a look at the integration checklist to steer clear of any common traps. Trust me, it’ll save you a lot of hassle!
  • **Wallet user experience issues lead to missed deposits. So, ERC-4337 is pretty cool because it allows users to pay their gas fees using ERC-20 tokens. Plus, it lets you combine several actions into one go, which is super convenient. And if that’s not enough, it also has a way to help you recover your accounts if something goes wrong. But, if things don’t go smoothly, you might run into problems like bundler failures or missing pieces in paymaster policies. These can result in those annoying “try again” errors, which can really take a toll on conversion rates. Get more details here.

7Block Labs’ Method: Wire Engineering Choices to PnL

At 7Block Labs, we're passionate about creating, developing, and delivering DeFi systems that really resonate with your business needs. Every time we make an architectural choice, it’s really tied to a specific business result we can measure. We combine our know-how in Solidity and ZK tech with a strong go-to-market strategy, and we break it down into five simple phases.

1) ROI Blueprint (Week 0-2)

Alright, let’s dive into our protocol goals and turn them into some real metrics we can actually rally around. Here’s what we’re looking at: first up, net protocol revenue, which is basically fees with miner and MEV rebates taken out, plus those pesky L1 and L2 data costs. Then we have daily active signers, which tells us how many folks are really using the protocol. TVL efficiency is also on our radar; that’s just TVL divided by volume, giving us a sense of how effectively we’re utilizing our total value locked. And let’s not forget spread capture because that’s super important too! Oh, and we’ll definitely keep an eye on the failed transaction rate. It’s all about making sure we’re hitting our targets and improving where we can!

Alright, so the next step is to whip up our cost model, now that we’ve got the new post-Dencun landscape in mind. Let's dive into blob base fee sensitivity, chat about how to manage calldata fallbacks, and take a look at the expected L2 fee bands for each chain. Hey, if you want to dive deeper into this topic, just click here for more info!

Alright, so the last thing on our to-do list is to sort out our cross-chain strategies for each asset. Let’s get into it! Alright, so here's the scoop: when you're thinking about CCTP for USDC, you're basically looking at the whole burn and mint process. Then there's CCIP, which is all about transferring tokens and messages while keeping an eye on those rate limits. We can't forget about LayerZero DVN stacks -- they give us that modular security we're after. Oh, and we’re also tapping into Wormhole guardians to back those flows with VAA. It's a pretty neat setup! If you're looking for more details, you can check it out here.

Architecture & Prototyping (Week 2-4)

AMM on Uniswap v4:

We're really getting into some cool features, like hooks that let us handle dynamic fees based on market volatility. Plus, we’ve got limit orders and some nifty sandwich protection in the mix too! So, here's the deal: everything here relies on BaseHook patterns and there are actually 14 hook flags to keep an eye on. These have been handpicked by the Foundation and OZ libraries. If you want to dive deeper into this topic, just click here for more info!

  • We're excited to introduce the Singleton PoolManager, which is going to help speed up deployment times and reduce those pesky multi-hop gas fees. Plus, we're rolling out flash accounting to make transfers a breeze! Check it out here.

MEV/Intents:

We're rolling out Flashbots Protect along with the MEV-Share Node to make sure users can easily get their refunds. We'll also add some privacy tips and eligibility for backrunning, plus we'll hook up SSE event streams for the solver logic. If you’re interested in exploring this topic further, check out this link here. It’s packed with great info! Oh, and there's this optional CoW Protocol settlement where you can share your intents, jump into the solver competition, and strive for those UCP/UDP fair batch auctions. It’s a pretty interesting opportunity if you’re looking to get involved! If you're looking for more details, you can check it out here. It’s got everything you need!

Wallet funnel (ERC-4337):

We're using paymasters to take care of gas fees in USDC, making the whole onboarding process smoother with batched transactions. It's a pretty cool way to simplify things! We'll ensure that the bundler perks align perfectly with your throughput and refund policy. Hey, just a quick reminder to check out the EntryPoint versions and play around with the different mempool behaviors! If you want to dive deeper, you can find all the details here.

Cross-chain:

When it comes to transferring USDC, we’re checking out CCTP V2 for those speedy attestations, also known as Fast Transfer. If we need something a bit more reliable, we can rely on V1, which has finality times of about 13 to 19 minutes. We'll be using Hooks to manage what happens after we've minted. For assets that aren't USDC, we're taking a closer look at CCIP rate limits and LayerZero DVN settings instead of just going with the standard defaults. More details here.

ZK inserts where they pay:

We're diving into the costs of verifying Groth16 and PLONK, especially when it comes to how often things need to be batched. We’re also looking at the role of off-chain prover queues, particularly when the gas fees for on-chain verification start creeping up and hit your margin limit. And hey, we’re sizing these things for each specific chain, so if you have any questions or want to chat more about it, just let us know!

3) Build for Gas and Safety (Week 4-8)

  • Gas optimization that truly makes a difference post-Dencun: Hey there! Just a quick note: when you’re working on rollup batchers, remember to send out those type-3 blob transactions when it’s appropriate. Also, keep an eye on the BLOBBASEFEE. If the blob market isn’t doing so hot, then feel free to switch over to calldata. Just a little tip to keep things running smoothly! (eips.ethereum.org). If you're looking to handle large memory copies, definitely check out MCOPY (EIP-5656) with Yul. It's a pretty great way to save on those byte and string paths, potentially cutting down on costs. Give it a shot! (eips.ethereum.org).
  • Make sure to be clever with transient storage (EIP‑1153) for keeping things in sync during transactions. It's pretty cool because it only costs you 100 gas for both reading and writing! Let’s dive into some inline assembly for now, until we get better support at the higher level. (soliditylang.org). Hey there! So, when you’re working with those v4 hooks, just keep an eye on the code size and reentrancy limits. It’s super helpful to use OpenZeppelin’s Uniswap Hooks library and make sure you’re using those PoolKey flags. And don't forget, if you need to, you can always test with Anvil’s larger code size. Happy coding! (docs.openzeppelin.com).
  • Security pipeline: Make sure you’ve got everything covered by using static checks, invariants, and fuzzing with tools like Foundry, Slither, and Echidna. It’s also a good idea to run some pre-deployment simulations against mainnet forks to be on the safe side.
  • Keep your operations secure using OpenZeppelin Defender. You can easily manage deployment and upgrade approvals, track everything in real-time, and set up automated responses for any incidents that pop up. If having SOC2 compliance is a deal-breaker for your partners, don't worry--your operations will be all set for it! (docs.openzeppelin.com).
  • Procurement-friendly deliverables:
  • Let's put together some architecture decision records (ADRs) that connect each EIP or library to how it affects costs and revenue.
  • Create detailed runbooks that outline the sequence fee models, Paymaster policies, and provide tips on managing cross-chain rate limits.

4) Adversarial Test & Verify (Week 8-10)

  • MEV Adversary Simulations: We're going to take a closer look at how those searcher bundles measure up against the Protect/MEV-Share privacy settings. It should be pretty interesting! We're looking to dive into the refund percentages and see how slippage varies in different situations. If you're looking for more info, just click here. There’s a lot of great stuff to explore!
  • Hook Fuzzing and Upgrade Rehearsals: Let's dive into some potential attack paths that might pop up because of faulty hooks and incorrectly set flags. We're also putting some watchdogs in place to keep tabs on those reentrancy and DoS patterns we noticed in our v4 prototypes. Feel free to take a look at the insights right here. Enjoy!
  • Cross-Chain Chaos Drills: We're getting ready to run some simulations. We'll tackle situations where DVN stacks (like LayerZero) might have defaults or misconfigurations, deal with CCIP rate-limit events, and handle any delays that pop up with CCTP attestations. On top of that, we’ll double-check those fallback flows to ensure everything's running smoothly. Get more info here.

5) Launch & Iterate (Week 10-13)

Let's kick things off with a canary launch on one L2. This will help us get a feel for how blob fees respond and see how those MEV refunds play out. After that, we can expand and roll it out to the other chains. Let's double-check that we've got all the necessary tools ready to go. We need some dashboards set up to keep an eye on blob gas, slippage, surplus capture, and refund shares. Also, let’s take a look at a cohort analysis to help us get 4,337 people onboarded.

Deep-Dive Examples You Can Ship This Quarter

Here are some great examples you might want to think about implementing in the coming months. If you’re looking to take your project to the next level or just need a little spark of inspiration, you’ve got to check these out!

1. Customer Feedback Integration

Make sure to ask your customers what they think, take a close look at their feedback, and then use that info to make your product even better. You could kick things off with a quick survey or maybe just have a casual chat. Here's a handy little trick to make it happen:

  • Gather Feedback: Check out a tool like SurveyMonkey to whip up a simple survey that’s a breeze for people to fill out.
  • Check Out the Results: Take a good look at the feedback and see if you can spot any trends. Pay attention to the recurring issues or things people really want.
  • Make the Changes: Take the feedback you’ve received and figure out which changes are the most important. Don’t forget to share those updates with your customers to keep them in the loop!

2. Feature Enhancements Based on User Behavior

Take a moment to really observe how your users are engaging with your product. You might come across some features that haven't really been getting the attention they deserve, or maybe a few that could use a little extra love. Here’s the plan:.

  • Check Out the Data: Dive into user behavior by using analytics tools like Google Analytics. It’s a great way to get insights and see what’s really going on!
  • Spot Improvements: Take a look around and think about some little features or changes that could make the user experience even better.
  • Time to Ship Those Changes: Go ahead and launch your updates and check out how the users react!

3. Personalized Marketing Campaigns

Boost your marketing game by adding a personal touch! Customers really appreciate it when brands talk to them directly! Here’s how to make that happen:

  • Break Down Your Audience: Check out a platform like Mailchimp to help you sort your audience into different groups based on things like demographics or how they behave. It's a great way to tailor your messages!
  • Craft Personalized Content: Tailor your messages to really connect with each group.
  • Keep an Eye on Performance: Stay on top of how each campaign is doing, and make adjustments when needed.

4. Launch a New Product Line

Are you about to launch something new? How exciting! Here’s a quick roadmap to guide you along the way:

  • Market Research: Take some time to really get to know what your audience is after. If you're looking to create surveys, tools like Typeform are pretty handy! They make the whole process a lot easier.
  • Build a Prototype and Get Feedback: whip up a prototype and see what people think before you go all out with the big launch.
  • Kickoff Celebration: Let’s brainstorm a fun launch event or campaign that’ll really get your customers talking!

5. Implement an Educational Resource Center

Customers love getting the scoop on your product or the industry you're in. It's like they enjoy the behind-the-scenes look! A resource center can really offer some awesome value!

  • Gather Resources: Collect a bunch of helpful articles, videos, and guides that can really assist your customers.
  • Sort Your Stuff: Break your content down into different categories so it's super easy to find what you're looking for.
  • Spread the Word: Don’t forget to give your resource center a shout-out in your newsletters and on social media! It’s a great way to reach more people.

Conclusion

Here are some in-depth examples that can really help you ramp things up this quarter. You can choose one or go for all of them--totally up to you! Just keep in mind that the main aim here is to bring some real value and really connect with your customers. Good luck!.

Uniswap v4 “Dynamic Fee + Sandwich Guard” Hook

  • Objective: We're all about enhancing spread capture and reducing LP LVR, all while making sure our users stay safe and sound.
  • Build: Let’s get started by using the Uniswap Foundation v4 Hook Template and pairing it up with OpenZeppelin’s Uniswap Hooks. It’s a solid combo! The idea is to launch some cool beforeSwap and afterSwap features that use a fee curve that takes volatility into account--kind of like sigma from a TWAP or a reliable oracle. We’re also planning to set up some pre and post invariants to help prevent those annoying toxic flow patterns. Take a look at the template right here! Alright, so next up, we're going to roll out the v4 PoolManager, which is a singleton. This awesome feature will help us use flash accounting, making it way easier to reduce those pesky token transfers. If you’re looking for more info, you can check it out here.
  • Ops: We're planning to throw in some on-chain toggles and timelocked settings. Plus, we'll get Defender set up to monitor everything, so we can keep track of what's going on.
  • Expected impact: We're anticipating that gas costs will be lower than what we saw with the v3 multi-contract patterns because of our singleton setup. Plus, during those crazy market swings, we expect to see higher fee revenue--all while making sure user slippage stays under control.

OFA Integration: Protect RPC + MEV‑Share Refunds

  • Objective: We’re aiming to reduce user slippage and minimize those pesky failed transactions. Plus, we want to share some of that sweet MEV goodness with the awesome folks who got the order flow rolling in the first place.
  • Build: We're going to route swaps through Flashbots Protect for those private transactions and pass along any eligible flows to the MEV-Share Node. We're going to set up some privacy hints and get backrun acceptance going. Then, we'll dive into SSE streams to figure out the best moment to pop up that “MEV refund” message in the UI. If you want to dive deeper into the details, just click here. Happy exploring!
  • Ops: We'll be keeping an eye on the refund percentages for each process, checking out the slippage rates both before and after we roll things out, and making sure to monitor how often transactions fail.
  • Expected impact: We're really hoping to see a nice bump in the average price that users are getting, while also working on keeping churn rates down compared to those competitors that are all about the intent.

Intent Settlement via CoW Protocol

  • Objective: We’re looking to improve our execution quality, particularly when cash flow is a bit squeezed.
  • Build: So, when you think about orders, just imagine them as what people really want to do. You’ve got a couple of options here: you can dive into the solver competition, which involves things like bonding, KYC, and making that journey from shadow to staging and finally, production. Or, if you prefer, you can jump in as an originator to get in on the action with UCP/UDP batch auctions. Simple enough, right? If you're looking for more info, go ahead and take a look at the docs right here! Check them out! There's a lot of helpful stuff waiting for you!
  • Ops: Hey, why not take a little time to see how you're sticking to EBBO and snagging some surplus compared to your current router during those unpredictable moments?
  • Expected impact: We're excited about seeing less slippage and getting better fills for those long-tail pairs. Plus, with batch settlement, we should experience fewer transaction failures.

Cross-chain USDC that won’t strand funds

  • Objective: We're aiming to unite USDC liquidity across various chains while keeping it flexible, so you don’t have to worry about tying up your funds too tightly.
  • Build: So, to get this done, we can roll with CCTP V2 for Fast Transfer. It’s pretty awesome because it provides us with fast attestations that beat finality in speed. If you're cool with hanging tight for a little while, the CCTP V1 Standard Transfer usually wraps up in about 13 to 19 minutes. On top of that, we can easily set up "post-mint" actions using CCTP Hooks. This means your funds can automatically deposit or swap as soon as they land. Super convenient, right? Take a look at this: circle.com. You might find it interesting!
  • Alternative assets: Hey, if you’re thinking about moving assets that aren’t USDC, you should definitely check out Chainlink CCIP. It could be a solid option for you! It's got rate limits and time-locked changes to keep things secure. You can also check out LayerZero DVN stacks, where you can tweak your DVN/Executor settings to your liking. It’s definitely a smart move to customize things instead of just going with the default settings, which might change down the line. Wormhole is still in the game, especially if you’re cool with the guardian-signed VAAs that fit your trust setup.
    If you want to dive deeper into it, check it out here: docs.chain.link.

Engineering Choices That Boost ROI (and How We Roll Them Out)

If we're looking to boost our ROI, the decisions we make in engineering are super important. Let’s take a quick look at some clever strategies we've been using to boost our returns, and I’ll share how we’ve brought them to life.

Smart Design Decisions

A great way to boost your ROI is by putting some serious thought into your design. Let me share some top strategies with you:

  • Modular Design: With this approach, you can easily make updates or swap out parts without having to redo everything from scratch. It's super handy!
  • User-Centric Approach: When we put the end-user first, it really helps boost their satisfaction, leading to higher adoption rates.

Efficient Development Practices

Making our development process smoother is really important. Let me break it down for you:

1. Agile Methodologies: We embrace agile techniques to keep things flexible and quickly adapt to any changes that come our way. 2. Automated Testing: Setting up automated tests can really save you a lot of time and help you spot problems before they escalate. In the long run, that means fewer expenses!

Embracing the Right Technology

Picking the right tech stack can really impact our return on investment.

  • Cloud Solutions: Switching to the cloud helps us cut down on maintenance costs and makes it way easier to scale things up when we need to.
  • Open Source Tools: Using free tools lets us cut down on those pesky licensing fees, and we still get to enjoy some pretty awesome features!

Data-Driven Decision Making

For us, being data-driven isn't just some trendy phrase; it's the way we make sure our engineering choices are right on target.

  • Analytics Tools: Using tools like Google Analytics and Mixpanel really helps us understand what’s going on, which in turn shapes our engineering work. We've found that these insights are super valuable in guiding our efforts.
  • User Feedback: We really value hearing from you! Your insights help us stay flexible and adjust to what you need and any challenges you might be facing.

Continuous Improvement

We truly believe in the value of continuous improvement. Let me break down how we get things done:

  • Regular Retrospectives: After wrapping up each project or sprint, we get the team together to chat about what went well and what didn’t quite hit the mark.
  • Training and Development: It’s super important for us to keep our team in the loop with the latest trends and techniques. This way, we can make sure we’re always ahead of the game!

Conclusion

If we really pay attention to our engineering decisions and nail down the implementation process, we can boost our return on investment quite a bit. It’s really all about creating clever designs, adopting efficient methods, using the latest technology, and implementing strategies based on solid data. Plus, embracing a mindset of continuous improvement is key! Let’s keep breaking those boundaries!

Gas Optimization that Maps to Margin

  • Post-Dencun Fee Modeling:
  • Go ahead and send out those blob-bearing type-3 transactions when it's a good call. Just make sure to monitor the BLOBBASEFEE closely and have some backup thresholds ready to switch to calldata if the blob prices start to spike. We’re keeping an eye on the blob markets across various chains right in our ops dashboards. If you want to dive deeper into this, you can find more info right here. Enjoy exploring!
  • Solidity-Level Wins:
  • Thanks to MCOPY (EIP-5656), we can now handle bulk memory copies like pros! Plus, we're rocking it with compiler version 0.

8. The 25 and up version makes things smoother by reducing the costs associated with copying bytes and strings, thanks to using via-IR. We're reworking our ABI paths and optimizing how we pack bytes to make the most of those MCOPY hits. Check out all the details here. You won't want to miss it! Hey everyone! Great news - we now have transient storage (EIP-1153) at our fingertips for handling intra-transaction state. This is a real game changer because it lets us avoid those pricey SSTORE/SLOAD calls when we're dealing with complex multi-calls. Instead, we're just looking at a cool 100 gas for access. Pretty awesome, right? You can access this feature using inline assembly starting with version 0. 8. 24+. We're playing it safe by using feature flags to control access and running a detailed reentrancy analysis to make sure everything is secure. Check it out here for all the details!

  • v4 Singleton:
  • Wave goodbye to those pesky high pool deployment costs and multi-hop gas fees! We're super excited to introduce native ETH support. By using flash accounting, we're making it way easier to manage token transfers and keep costs down. For more details, you can check it out here. It's a great resource!

MEV/intents You Can Defend and Monetize

  • MEV-Share:
  • Make sure to set up those privacy hints! Only go after backruns that hit those user-payback criteria. And hey, don’t forget to include those refunds in your analytics, okay? (docs.flashbots.net).
  • Batch Auctions (CoW): So, thanks to uniform clearing prices (UCP/UDP), the enforcement of EBBO, and solver bonding, you can expect to see a drop in priority gas auctions and a lower chance of those pesky sandwich attacks. (docs.cow.fi).

Cross-chain without surprises

  • Defaults are dangerous:
  • You know, LayerZero’s default settings can sometimes be a little off or not set up quite right. That’s why we always take the time to clearly set the DVN/Executor and double-check everything using endpoint queries. It just helps us feel more confident that everything’s in order. On the flip side, we've got CCIP's rate limits and timelock governance built right into our runbooks. This helps us keep everything running without a hitch! We've made it a point to highlight the differences between CCTP V1 and V2 in a way that feels natural for users. For instance, the distinction between finality and fast transfers is pretty clear in the overall experience. Feel free to explore all the details by clicking here. You’ll find everything you need!
  • Governance and audits: Wormhole really prioritizes security with its 19-guardian VAA model that relies on threshold signatures. We've put together some helpful info on the trust boundary and circuit breakers so you can feel confident about what you're approving. If you're looking to explore more, check out the info here. It’s got some great details for you!

Wallet UX that Cuts Down CAC

  • ERC‑4337: Alright, let’s dive into some key concepts here! First off, when we talk about bundlers, we're looking at the tools that package transactions together. They play a vital role in the whole process of how things get done on the blockchain.

Now, if we switch gears to EntryPoint versions, these are crucial too. They determine how users interact with smart contracts and how smoothly everything flows. It's like choosing the right version of an app - sometimes a new version just works better!

And hey, let’s not forget about paymasters for ERC-20 gas. These guys are super important when it comes to managing transaction fees. They help streamline payments for gas costs, making it easier for users and developers alike. It's all about keeping things efficient and user-friendly in the crypto world! Make sure to test everything using alternative mempools and set some sponsorship limits while you're at it. How about we make the onboarding process smoother? We can simplify things by merging the approve, deposit, and stake steps into just one quick click. That should make life a lot easier! Sure thing! You can find all the details right here: Check it out!.

GTM metrics we commit to track by Week 4 and optimize by Week 12

We're not here just to say, "Hey, trust the tech." “We create dashboards and experiments that are closely tied to revenue and keeping our customers around.”

North-Star and Finance Levers

So, when we talk about net protocol revenue, we're really looking at the total fees we collect, plus what we earn from spread capture, and any MEV refunds we get back. Then, we need to subtract the costs associated with L1 and L2 data, as well as any incentives we’ve set up. It's all about balancing those numbers to see how we’re doing!

  • Let's take a closer look at the unit economics for different chains and user segments. We’re talking about things like our power users versus the everyday retail customers.

Acquisition and Conversion

  • Onboarding Completion Rate (with 4,337 paymasters): We're shooting for a boost of about 10-20% over what our control group achieved.
  • Time from Funded Wallet to First Trade: We’re aiming to make this process take less than 90 seconds by using batched flows.

Trading Economics

Hey, take a look at the slippage rates (p50/p95) for each pair and size. We're shooting for a goal of around -20% to -40% compared to our baseline, particularly when we're looking at intents and MEV-Share. (docs.flashbots.net).

When it comes to snagging surplus during batch auctions as opposed to using routers, let's not forget to check in on how well we're sticking to EBBO guidelines and the level of price improvement we're achieving. Keep it in mind! (docs.cow.fi).

When it comes to the failed transaction rate, we’re aiming to keep it under 0%. When it comes to working with protected or private order flow, you're looking at a 5% fee.

Cost to Serve

So, when we're talking about the Blob vs. calldata mix, you really want to hit that sweet spot of over 70% for blobs, especially when the market's looking good. If you want to dive deeper into the details, just click here. You’ll find all the info you need!

  • When it comes to average gas usage for swaps and LP actions, keeping an eye on your savings from MCOPY, transient storage, and singleton effects is super important. It really helps you see how much you're cutting costs! If you're looking for more details, you can check it out here.

Liquidity Efficiency

So, we're checking out the TVL and daily volume, and also looking at how much fee yield each pool is bringing in once we factor in that dynamic-fee hook. Let’s check out how it compares to those v3-style static grids.

Security/Compliance

We're aiming to cut down the Mean Time to Recovery (MTTR) for any risk incidents by utilizing Defender automations. Plus, we’ve got change-control logs that are super handy for audits and partner due diligence. They really make things easier when it comes to keeping track of everything! If you want to dive deeper into the details, just click on this link!

What you get with 7Block (modular, outcome-tied scope)

  • Protocol engineering that connects costs and revenue: We're really into AMM, lending, and those smart intent engines that rely on what we know works best. If you’re curious about what we offer, take a look at our smart contract development solutions and DeFi development services. There’s a ton of information there, and I think you’ll find it super helpful!
  • Building cross-chain and asset flows with a solid trust model: Alright, so let's talk about USDC CCTP, CCIP/L0, and Wormhole pathways. These guys have gone through some serious testing, including adversarial tests and runbooks to make sure everything runs smoothly. Check out our cross-chain solutions development and blockchain bridge development to see how we make it all happen. You’ll get a good idea of our approach and the cool things we’re working on!
  • Security and operations that align with procurement standards: We’re all about getting things really solid before the audit hits. We take a hands-on approach with hardening, invariants, and fuzzing, plus we keep a close eye on things while they’re in production. It’s all about staying on top of it to keep everything running smoothly! On top of that, we can easily connect with your incident playbooks and manage any change control processes you have in place. Check out our security audit services and give yourself some peace of mind!
  • Full-stack product delivery:
  • Whether you’re looking for DEXs, platforms for assets or tokens, or just some cool dApps, we’ve got everything you need! Hey there! If you're interested in what we do, be sure to take a look at our DEX development, dApp development, and token development services. We’ve got some cool stuff to offer, and we’d love for you to check it out!
  • Custom Builds and Integrations: We’ve got everything from 4337 wallets to ZK verification and enterprise solutions that are designed just for your needs. Let us customize something special for you! Check out our web3 development services and blockchain development services to kick things off! We're excited to help you on your journey!

Implementation notes and best emerging practices (2026)

  • Fees and blobs: Make sure to monitor the BLOBBASEFEE on Layer 1 and consider setting up a “smart batcher.” This would automatically adapt to the changes in the blob market conditions. Instead of sticking to fixed blob fees, think about using an oracle or checking out some recent blocks. It'll give you way better accuracy! (eips.ethereum.org).
  • Solidity: Hey, make sure to move those big memory copies over to assembly with mcopy. And don't forget to tidy up those paths that deal with a lot of bytes, like the permit payloads and signature packs. It's important to keep things running smoothly! Watch out when using transient storage! Since it resets at the end of each transaction, it’s great for keeping things organized during multiple calls, but it can be a bit tricky if you’re trying to cache things across different transactions. Just something to keep in mind! (eips.ethereum.org).
  • Uniswap v4 hooks: Keep your hook logic straightforward and easy to understand. Also, don’t forget to check out OpenZeppelin’s templates for some secure patterns you can use! Hey, just a quick reminder to jot down all the enabled hook flags. Also, don't forget to run some tests for reentrancy and DoS on those beforeSwap and afterSwap functions. And make sure to keep an eye on the code-size headroom too! (docs.openzeppelin.com).
  • MEV: When you're using MEV-Share, make sure to only pursue backruns that provide at least a minimum refund for the users. Don't forget to keep track of those refunds for each user. It’ll be super handy to display how much everyone has "earned back" right in the app! And hey, when you're working on those important transactions, don't forget to use Protect RPC. It’s a smart move to keep your stuff away from the public mempool spotlight. (docs.flashbots.net).
  • Cross‑chain: Hey, just a quick tip for your shipping process: make sure to avoid the default settings in LayerZero. It’s a good idea to explicitly set the DVNs and Executors for every pathway. It’ll save you some hassle down the line! Let’s run some tests for those annoying “dead DVN” situations. When you’re working with CCIP, make sure to set your rate limits and keep an eye on those timelock events. And as for CCTP, it’s a good idea to think about the pros and cons of V2 Fast versus Standard. Just consider how each option affects user experience and the associated risks. It’s all about finding that balance! (docs.layerzero.network).
  • Wallets: Alright, so here’s the plan: First off, you want to make sure that your paymaster budgets are in sync with your growth goals. It’s super important! Then, try to group your first approvals and deposits together--this can really streamline things. Oh, and don’t forget to double-check that EntryPoint works well with everything. While you’re at it, keep an eye on how the alt mempool is behaving in your network mix. Happy monitoring! (docs.erc4337.io).

Procurement-friendly delivery, not just code

We work hand-in-hand with your PMO and finance teams to clearly show how each EIP or library contributes to real savings or even increases in revenue. Every decision we make is backed up with solid documentation. We've got clear before-and-after cost curves and risk notes that your reviewers will find easy to understand.

Hey there! No matter if you're kicking things off with a brand new DEX, moving from v3 to v4, or just wanting to toss in some MEV refunds and CCTP, we’ve got everything you need right here. You can start off small and then build things up as you move along. Just take it step by step!

Why This Matters Now

  • Come March 2024, Dencun really made waves! By 2025-2026, we could really see v4 hooks, intents, and cross-chain stacks starting to take shape and make a name for themselves. It was exciting to watch this evolution unfold! The teams that are really going to succeed are the ones that can adjust their platform economics to match this new environment. It's definitely not going to be the ones who just hang back and wait for L3s to come along. ” (investopedia.com).

Ready to Turn Engineering Into Revenue?

  • If you’ve got a bunch of stuff to tackle and just want to get it done, don’t worry--we’re here to help and can take care of it for you! If you're searching for a real partner on this journey, we’re in this together, and we'll tackle the results as a team! Alright, let’s get started with a solid plan that we can actually put to the test!

CTA: Schedule Your DeFi Pilot Strategy Call

Don’t forget to grab your spot for a DeFi Pilot Strategy Call today! You won’t want to miss out on this opportunity!

So, let’s talk about EIP-4844 and blob transactions. This involves some cool stuff like temporary data access, type-3 transactions, and blob base fees. It’s all about making things a bit more efficient and user-friendly! Read more here.

  • Blob data retention lasts for about 18 days. Check it out here.
  • Uniswap v4: Hooks and Singleton Structure. Check out all the juicy details here. You won't want to miss it!
  • OpenZeppelin's Uniswap Hooks library. Get the scoop here. Hey there! Just a quick note about the Flashbots Protect and MEV-Share docs. Learn more here.
  • CoW Protocol: Intents and Batch Auctions. Explore this link.
  • ERC-4337 Documentation: So, we've got some cool stuff to cover here--like bundlers, paymasters, and the EntryPoint. You can check out all the details by clicking here.
  • CCTP (USDC burn/mint), V1/V2, and Fast Transfer features. If you’re looking for more info, you can check it out here. Let's chat about CCIP, which stands for Chainlink's Cross-Chain Interoperability Protocol. It’s a pretty cool security model they’ve got going on there. Plus, they've got some serious credentials with their SOC2 and ISO attestations, which really shows their commitment to keeping things safe and sound. Discover more here.
  • LayerZero v2 DVN Security Stack: Let's talk about it and some of the common issues you might run into. Read about it here.
  • Wormhole guardian/threshold signatures and security pages.

Let’s break this down. So, we’re talking about these cool things called wormhole guardians, right? They're all about protecting those signatures that pop up in our digital world. And then there are security pages, which are super important for keeping everything safe and sound. It’s amazing how these techy concepts help us feel secure in our online journeys! Get the info here.

  • **Solidity 0.

8. 24-0. 8. Hey there! Just a heads up, there are 26 releases, along with MCOPY and some transient storage involved. If you want to dive into the specifics, just click here!

Relevant 7Block Labs Services and Solutions

Hey there! Ready to dive into the world of DeFi? Let’s set up a time for your Pilot Strategy Call! Just click here to schedule it. Looking forward to chatting!

Like what you're reading? Let's build together.

Get a free 30-minute consultation with our engineering team.

Related Posts

Decentralized Finance

ByAUJay

Creating a Yield Aggregator for RWA Tokens: A Step-by-Step Guide

### Summary So, you’re looking to create a serious RWA yield aggregator in 2026? Well, things have definitely stepped up a notch technically! You'll need to manage a few crucial elements like ERC‑4626/7540 vault flows, permissioned token standards (ERC‑3643/1404), NAV and reserve oracles, and cross‑chain DvP. It’s going to be a challenging but exciting ride!

Decentralized Finance

ByAUJay

Building 'Policy-Based' DeFi Wallets for Corporate Treasuries When it comes to managing corporate funds, efficiency and security are top priorities. That's where 'policy-based' DeFi wallets come in. These wallets not only allow businesses to tap into decentralized finance but also ensure there's a robust framework in place to manage their assets according to specific guidelines. What exactly do we mean by 'policy-based'? Well, it's all about tailoring the wallet's functionality to fit the unique needs of a company's treasury operations. With these kinds of wallets, companies can set rules and policies that dictate how funds are accessed, spent, and invested. So, if you're worried about security or compliance, these wallets can be a big help. These wallets can be designed to handle everything from regular transactions to more complex financial maneuvers, like yield farming or liquidity provision. Plus, the ability to automate certain processes means that businesses can save time and reduce the risk of human error. In a nutshell, 'policy-based' DeFi wallets are game-changers for corporate treasuries. They provide a smart, efficient way to manage crypto assets while keeping everything in check with rules that align with the company's financial strategy. It's a win-win!

**Summary:** Hey there! Corporate treasuries now have a great opportunity to explore the world of DeFi with some robust controls. Thanks to EIP-7702 smart accounts, along with policy modules like ERC-7579 and ERC-6900, they can ensure everything runs smoothly. Plus, with features like MPC signing, on-chain sanctions checks, and Travel Rule workflows, security is top-notch. This guide is here to take you through how 7Bl can help make it all happen!

Decentralized Finance

ByAUJay

The 'Dual-Market' DeFi Setup: Merging Speed with Flexibility

**Summary:** A lot of DeFi stacks make you choose between super-fast execution and a whole bunch of features. But with a Dual‑Market architecture, you don’t have to pick one over the other anymore! It combines a low-latency “Fast Market” for quick trades with an intent-driven “Flexible Market” that offers versatility, bringing them together in a seamless way.

7BlockLabs

Full-stack blockchain product studio: DeFi, dApps, audits, integrations.

7Block Labs is a trading name of JAYANTH TECHNOLOGIES LIMITED.

Registered in England and Wales (Company No. 16589283).

Registered Office address: Office 13536, 182-184 High Street North, East Ham, London, E6 2JA.

© 2026 7BlockLabs. All rights reserved.