Jean Cavallera - CJ42 @JeanCavallera Twitter profile

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Jean Cavallera - CJ42

5 months

I am so happy to announce that... 🥁 The All About #Solidity Book is finally out! 🚀🪂🥳 Your ultimate digital book for #Ethereum and #SmartContract development. Available to buy online on Leanpub, you pick the price you want to pay from $20 upwards!

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@stw_pdg

Jean Cavallera - CJ42

@JeanCavallera

2 years

I am super passionate about #Solidity , by helping devs to learn and write the better smart contracts through my “All About Solidity” articles series. Wonder what is coming in the future for the smart contract programming language? A thread 🧵

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Jean Cavallera - CJ42

@JeanCavallera

1 year

For those who want to manipulate bytes like pro in #Solidity #SmartContracts , here is the Holy Bible on Bytes Manipulation 📖🔆 ➡️ “Hacker Delight, 2nd Edition” by Henry S. Warren Jr 1/2

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Jean Cavallera - CJ42

@JeanCavallera

2 years

All About Code is out! 🪂 ⛓ The Last Part 5 of the All About Data Locations sub-series! Let’s learn: - How the EVM saves the bytecode of a contract on deployment? - Where the bytecode of a contract is saved? - creation vs runtime code. - and more…

Solidity Tutorial: All About Code

Understanding the structure and behaviour of a smart contract’s bytecode

betterprogramming.pub

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Great news! With over 10k validators 👏🏻 The @lukso_io Genesis Deposit Contract is officially about to be completely frozen! 🥶🟢 In this thread, I will do my best to explain the technical details in an easy and accessible way for non technical peoples. Let’s start 🧵 1/15

LUKSO

@lukso_io

1 year

Things are speeding 🆙 and we are excited to announce that the Genesis Validator Smart Contract Freeze will begin tomorrow, May 3rd at 4:20pm CET! 🥶 Following the freeze will be LUKSO’s Mainnet launch ~ May 23rd 🚀🎊 Learn more 👇

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Some nice Friday coding. Prototyping a small dApp to import all of your #Twitter profile infos into your #LUKSO 🆙 using the Twitter API v2. Thanks to @CallumGrindle for helping to upload your Twitter profile image to IPFS 💪 A great way to onboard users from Web2 to Web3!

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Jean Cavallera - CJ42

@JeanCavallera

6 months

Developers and Builders on #LUKSO , come at our pink booth nb 247 at @EthereumDenver and let’s meet to talk, @lukso_io , LSPs, #SmartContracts and #Solidity . Let’s discuss and code together to see what you want to build, or AMA about the Standards and Contracts. #ETHDenver2024

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Jean Cavallera - CJ42

@JeanCavallera

10 months

I am so pleased to have done this presentation today on the #LUKSO LSPs, and presented some of the history of Blockchain. Have been waiting for a long time to show these slides at a web3 event. Now that 🆙 is launched, let’s start to showcase the large possibilities of what can

Hugo Masclet -📍KBW

@HugoApps

10 months

. @JeanCavallera presenting how @lukso_io standards can be used as primitives for a wide array of applications. Here, to encode the attributes of a product, at the smart contract level. 👉

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Jean Cavallera - CJ42

@JeanCavallera

2 years

It’s out! 🪂 🎉 Part 4 of the All About Solidity Data Locations subseries Some cool learnings: - how block scopes work {} (the mystery unraveled) - what is the « call stack » vs the « stack » - fixing « stack too deep » error #Solidity #SmartContracts

Solidity Tutorial: All About Stack

An exploration of the EVM stack under the hood

betterprogramming.pub

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Jean Cavallera - CJ42

@JeanCavallera

10 months

Aside of the smart contracts at @lukso_io , I just love to start contributing to 🆙🧩 Browser extension. Just added the new view for the recently added `executeBatch` feature in the Key Manager. So that you for instance you can send all in one transaction: - some LYX to 3 x

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Jean Cavallera - CJ42

@JeanCavallera

8 months

I have created these illustrations to explain the fundamental idea of what the LSPs on #LUKSO stand for: "the LSPs - LUKSO Standards Proposals - are the building blocks for the new creative economy. Like lego blocks, you can pick them individually and assemble them in different

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Call to #Solidity devs! 📢 I am currently writing the next article 📝« All About Errors ». This includes: - Compiler vs Runtime Errors - Errors Handling - How to fix some of the common ones. Drop in comment below ⬇️ specific topics and details you would like to learn more.

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Jean Cavallera - CJ42

@JeanCavallera

6 months

Supporting @Ewan_hamon at #EthDenver2024 on how to build their proof of reserve (as a Soulbound token) using LSP8 for their hackathon project. To prove on-chain that you own a certain amount in your bank account. 👷‍♂️ 1. Create a metadata key as `keccak256(”BankBalance”) 2.

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Jean Cavallera - CJ42

@JeanCavallera

1 year

We always talk about Universal Profile, Key Manager, LSP1 Delegate at #LUKSO but I can guarantee that LSP20 is by far the most impactful standard that came into the 🆙 stack 💪🏻 Take a look 👇🏻

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Jean Cavallera - CJ42

@JeanCavallera

9 months

It was an amazing week at the #LUKSO office in Berlin last week. Looking and reflecting on last year achievements in team, setting up the objectives for 2024, and most importantly meeting so many new faces for the first time, and the bright people behind the backend, extension,

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Jean Cavallera - CJ42

@JeanCavallera

6 months

The #LUKSO tech team was also hacking during #ETHDenver2024 . With our own little smart contract project leveraging the LSP8 standard. Idea fueled by talking @JakGrills and its passion for grilling and steaks 🥩 🔥 Outcome: the Proof Of Steaks NFT Collection 🎨 🥩 (on LUKSO

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Jean Cavallera - CJ42

@JeanCavallera

1 year

A new #LUKSO Standard Proposal (LSP) is coming to the list: LSP25 Execute Relay Call 🎉🔶 Meta Transactions (aka “Relay Calls”) is not only available on the Key Manager. It will available as standalone, to be implemented by any dApp and protocols. - Delegated voting - gas less

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Jean Cavallera - CJ42

@JeanCavallera

8 months

Any #LUKSO degen now has changed its Twitter / X profile picture with a chillwhale NFT. The craze again like it was with popular NFT collections like Crypto Punks, Bored Apes, etc… I like my avatar doodle, as it is my “digital identity”. Although it could do with a little

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Jean Cavallera - CJ42

@JeanCavallera

2 months

Hey #LUKSO builders and enthusiasts 👋🏻 We are looking to re-work and improve our Glossary page in . What are the terms about @lukso_io that you often come across and don't understand (technical terms or not). Let me know in comment below 👇🏻

LUKSO Tech Documentation

Network, Standards, Tools and Guides for development on LUKSO and related standards.

docs.lukso.tech

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Jean Cavallera - CJ42

@JeanCavallera

4 months

I have to admit that I am quite shocked that people (whoever they are) fud and complain because someone working at #LUKSO post pictures of vacation on holiday. Especially when the head of community is super transparent about it by making a pinned post to her profile (so that

fawn

@natashalfawn

4 months

I want to clarify some things after being barraged for the last few days with some horrible insults from people within the LUKSO ecosystem due to a photo I uploaded from my holiday. My cousin @ejfawn so very kindly surprised me with this trip for my 30th birthday, after she

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Jean Cavallera - CJ42

@JeanCavallera

2 years

“Web3 is desktop first. If we want to reach adoption, we need to make it mobile first” 📱 And we need to make it intuitive and easy to use with Universal Profiles 🆙 #LUKSO

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Jean Cavallera - CJ42

@JeanCavallera

4 months

Happy Mothers day! Mine would be 61 this year 🥹❤️ I miss you a lot. I hope you can see me and you can hear me wherever you are now. I am so grateful to be your son, and I am so proud that you are my mom. And whatever it is, I will always carry on doing what I do. For

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Jean Cavallera - CJ42

@JeanCavallera

7 months

Just added some nice new feature to , so that you can see the type of addresses and the asset names = symbol when debugging on #LUKSO ! 💅😎👌 Thanks to @skimaharvey and @b00ste_lyx for helping in debugging React! And to our ultimate React wizard @HugoApps

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Calling the #LUKSO community Today we discussed internally the concept of « Recipes », or how the LSPs can be combined together in multiple fashion to develop new and innovative products, services and protocols. We would like input from the community 🙏🏻🟥🟧🟨🟩🟦⬜️🟫 Share

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Jean Cavallera - CJ42

@JeanCavallera

1 year

For the last 3 hours, the #LYXe token has been the 2nd highest generator of gas fees on Ethereum due to the increasing number of deposits on the #LUKSO Genesis Validator Deposit Contract 🔥🚀🪂

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Jean Cavallera - CJ42

@JeanCavallera

1 year

If you are: ➡️ looking to build on @lukso_io and want to learn the encoding of the LSP2 standard. ➡️ a #Solidity developer looking to learn ABI encoding, I created a Youtube video to explain the difference between ABI vs LSP2 encoding #LUKSO #Solidity

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Ready for #EthCC Paris 🇫🇷, armed with my #LUKSO digital stickers to drop by messages on Telegram to anyone I meet and who does not know about LUKSO! 🆙🪂🚀 Be ready for the pink pill experience! 😀💊

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Jean Cavallera - CJ42

@JeanCavallera

6 months

Here is a crazy fact on #LUKSO ! There are so much metadata under a highly refined #burntpix that when trying to read the (LSP4) Metadata from another smart contract, it crashes! Why? Because there are so many bytes to return that it goes over the return data size limit

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Jean Cavallera - CJ42

@JeanCavallera

10 months

Did you know that you can specify the following in Solidity to allow your contract to be compiled with any version of #Solidity ? Including: - patch versions of solc: 0.8.x - minor versions of solc: 0.x.0 (e.g: next minor release 0.9.0) - future major versions of solc: x.0.0

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Jean Cavallera - CJ42

@JeanCavallera

8 months

Super delighted by my "modern Sherlock Holmes" @chillwhales , my first NFT on #LUKSO mainnet! 😁

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Jean Cavallera - CJ42

@JeanCavallera

11 months

I am very pleased to have finally found and reported a bug in the #Solidity solc compiler! 💪🏻 Although it is relatively small and just occurring on compilation (not a bug on runtime bytecode), it still feel like a nice little achievement after writing

`@inheritdoc` tag in Natspec does not stop at the end of the line · Issue #14397 · ethereum/solidity

Description I have a contract that inherits and interface and its Natspec documentation. The implementation function from the interface inherits the Natspec docs from the function interface using @...

github.com

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Jean Cavallera - CJ42

@JeanCavallera

1 year

The technical documentation of all the @lukso_io LSP smart contracts is now available on , section “ABI Technical Reference” in the sidebar. For #dApp and #Solidity smart contracts developers wanting to build on #LUKSO 👷‍♂️👷‍♀️🧱🛠️ Check it out! 👇🏻

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Jean Cavallera - CJ42

@JeanCavallera

1 year

The docs of our internal libraries are coming into the new @lukso_io Smart Contracts Docs. This completes the technical references of the #LUKSO Technical docs Next steps: overview sections for #SmartContracts and #dApps developers I am so excited! 🪂🪂🪂💊💊💊🆙🆙🆙

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Jean Cavallera - CJ42

@JeanCavallera

1 year

This is definitely the best gif about #LUKSO ever 🩵👌🏻🪂 🚀

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Hey #Solidity developers 👋 Let's test our understanding of `memory` in Solidity with a little riddle. Can you find the answer? > Rule: not allowed to use Remix or other tools! ❌ Just by looking at the code! 😉 Created with @carbon_app

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Nice bar chart that shows that: 1) at @lukso_io we are building Smart Contracts standards as we are constantly adding new lines of codes. 2) in crypto, there is no correlation between the innovativeness of a project and the price of the crypto itself.

coincommit.ai

@coin_commit

1 year

Most active #crypto project by new lines of code today 📈 #LYXE #LINK #RBN #FLOW #COMP #SOL #ZEC #XTZ #XYO #MASK

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Jean Cavallera - CJ42

@JeanCavallera

4 months

Gm from Berlin 🇩🇪 ☕️

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Jean Cavallera - CJ42

@JeanCavallera

1 year

@gogotheauditor 96 bytes (3 slots) in storage. 3rd slot is tightly packed with the three uintN of smaller bit ranges (there is 28 bytes of remaining space in the 3rd slot) 160 bytes in memory (5 x full memory words, since memory has no notion of slots).

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Jean Cavallera - CJ42

@JeanCavallera

1 year

#Solidity developers, did you know this gas optimisation (📉⛽️ deployment cost) with ERC165👇 To save 45k gas when deploying your contract. - inherit the `IERC165` interface in your contract and inline `return interfaceId == type(IERC165).interfaceId` ✅ - instead of

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Jean Cavallera - CJ42

@JeanCavallera

3 months

I will teach you guys how to cook and use the powerful LSP standards on #LUKSO 👨🏻‍🍳 And we will do that one line of code at the time! 🫵🏻🤍 ⬛️ ⬜️ 🟪 🟦 🟩 🟨 🟫 🟥 (check the screenshots below 👇🏻) (Discovered that you could add line numbers on Docusaurus code snippets, pretty epic!

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Jean Cavallera - CJ42

@JeanCavallera

9 months

It’s only at @lukso_io that you will find a recruiter that is able to explain and talk in technical details about the project, the vision, and most importantly: the tech and the stack! Amazing @OconnorLouie !! 🚀 🪂🟦🟩🟪🔊

Lou3e 🆙

@lou3ee

9 months

Well, that was fun 🙂 I really think the community will like this one - I painted a picture of the ‘actual’ and ‘current’ crypto landscape, explaining where users are, what’s wrong with this space, the solution to fix it and the answer… 🆙 It’s a good time to realise &

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Jean Cavallera - CJ42

@JeanCavallera

8 months

"That's one small step for man, one big step for #LUKSO "

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Very pleased to see that @lukso_io is currently one of the web3 project with the best developer rank according to Stack! Let’s keep 🆙 the great work 💪🏻🪂🚀

stack - crypto dev tracker

@StackDotMoney

1 year

$LYXE has been updated 207 times in the last month. Great work @lukso_io devs! $LYXE has one of the top developer ranks.

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Jean Cavallera - CJ42

@JeanCavallera

1 year

This is the best and most representative crypto sticker ever 😂

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Jean Cavallera - CJ42

@JeanCavallera

1 year

A reminder to the #LUKSO community from a question asked earlier today. For the terminology on @lukso_io LYXe = 🪙the token on the Ethereum blockchain. LYX = ⛓️ the native currency on the LUKSO blockchain (that went live with mainnet few hours ago 🥳🩵) 1/4

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Hey #Solidity developers 👋 Let's test our understanding of `memory` again in Solidity with a 2nd riddle. Can you find the answer? > Same Rule: not allowed to use Remix or other tools! ❌ Just by looking at the code! 😉 Created with @carbon_app

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Jean Cavallera - CJ42

@JeanCavallera

9 months

My reaction when I see this new update for the #LUKSO Mainnet Block Explorer! 💪🏻 Awesome and innovative integration of the LSP3 standard! 👌🏻🤝🖼️

Universal Profiles

@ERC725Account

9 months

LUKSO LSP3 standard just got integrated into its block explorer. 👤 Now you can see all interactions from Universal Profiles with other 🆙 right in the block explorer, and also search by username 🙀 That’s a first for a blockchain.

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Jean Cavallera - CJ42

@JeanCavallera

4 months

Here is the low cost handmade (or footmade) version of my @RTFKT boots! Tailored with my crypto stickers collected from the web3 events I have been to, and with some various @lukso_io stickers too! (A cheap way to do marketing for #LUKSO in the the tube 🚇 in London 😅)

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Because we always talk about 🆙 in the community, newcomers to #LUKSO often get confused. You can have an EOA and a private key on @lukso_io and hold your LYX in it. This can be through a Ledger, and you can interact with the LUKSO network using Metamask 🦊 But you will

Hugo Masclet -📍KBW

@HugoApps

1 year

@lyxmemes @Ledger @lukso_io Yes you can. You always could. Only, before this update it showed "Kovan" network instead of LUKSO. You can do it by adding a custom network in MetaMask, connect LEDGER to MetaMask, and switch the network to LUKSO mainnet. The info here here:

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Yes we do! Security at @lukso_io is not an after though. It’s part of how we develop the standards and write Solidity. Any new code change brings debate + security questions. That’s what it looks like to be in the #smartcontracts team. @0xYamen @skimaharvey @b00ste_lyx

gkrastenov

@gkrastenov

1 year

Nice to see that people behind @LUKSO project care about security. They have 7 previous audits and started a contest on @code4rena last week.

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Things are moving at @lukso_io . What a great time to be alive! 🤩🪂🚀

Fabian Vogelsteller

@feindura

1 year

@Ledger @Iconoclasticoon @ensdomains @_zondax_ @1inch @worldcoin @SocketDotTech @EnsDomain @lukso_io Merge this and we have a start 😉👇 I see ledger as a great tool for restoring your 🆙, tho not for daily transactions (except you guys make a ring 💍 that I can tap) The permissions you can add to controller keys, create good safety. So Fort Knox

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Jean Cavallera - CJ42

@JeanCavallera

10 months

It’s live and out! 🪂🚀 🆙 are now live and available on @lukso_io ! Try it out, play around, report issues and feature requests on Discord. We need your feedbacks! 🙂 And remember: 🆙 are just one of many LSP recipes! 🥘 😉 Excited by the future! 🟥🟧🟨🟩🟦🟪⬛️⬜️🟫

LUKSO

@lukso_io

10 months

Universal Profiles are now live on LUKSO Mainnet! 🎉⛓️ Learn more about the transformative shift Universal Profiles will have on shaping the next frontier of human interaction onchain in the article below: Create your profile:

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Jean Cavallera - CJ42

@JeanCavallera

1 year

The 🆙 browser extension (testnet only) from @lukso_io is now available from the Chrome Web store to download. Try it out! puzzle 🧩 👇🏻 The good part is that the latest screens look even better than the one displayed in preview! 🖼️ 🎨

ethalorian🆙

@ethalorian

1 year

Impressions are way down. Probably because I talk about $LYX and the majority of you have yet to Wake🆙 to the future.

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Jean Cavallera - CJ42

@JeanCavallera

4 months

Full on coding workshops today at #SafeCon2 . It is so great to start seeing #LUKSO doing live coding and workshop tutorials for how to use 🆙. Here is @HugoApps showing how to set permissions and metadata on your UP 🫡 A thread 🧵

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Jean Cavallera - CJ42

@JeanCavallera

2 months

The first two sentences say it all. People harvest the plants they seed 🌱 growth is from the community, the builders and the collaboration between all of those. What @AyaMiyagotchi refers as “the infinite garden”.

Nakamura 🆙️

@Nakamurazi_up

2 months

Do you know what is the most important aspect for a project to be successfull ??? I'll tell you, It Is the Community 🫂 I'll tell you more... There is one solid ticker going under the radar, bullish divergence on every TF and its community is one of the strongest I've ever

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Jean Cavallera - CJ42

@JeanCavallera

3 months

There is nothing better than building the Learn section of by talking to developers and builders on #LUKSO and getting community feedbacks! Love you all nerds! 🫶🏻🤓 Keep Learning! 📚 Keep Building! 🫡

LUKSO Tech Documentation

Network, Standards, Tools and Guides for development on LUKSO and related standards.

docs.lukso.tech

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Jean Cavallera - CJ42

@JeanCavallera

8 months

Officially owning myself on #LUKSO for the LUKSO Family Game! I couldn't resist the temptation! Hopefully this become as rare and sought after as a Charizard holo trading card! 😂

0xYamen

@0xYamen

8 months

Hold up on minting the Yamen card when it's live – I need to mint myself first! 😂

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Jean Cavallera - CJ42

@JeanCavallera

2 years

Some memories of our chats 3 months ago in the cab when heading to #EFDevcon Bogota. For those who misunderstand and think that « @lukso_io is like ENS », this is a great and concise explanation from @feindura LUKSO is not ENS ❌ But an ENS name can be linked to your 🆙✅ 1/3

cryptochic

@CADcrypto

2 years

throwback to @feindura explaining @ensdomains vs @lukso_io ’s Universal Profiles on our way to @EFDevcon bogota 🛠⛓🇨🇴

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Jean Cavallera - CJ42

@JeanCavallera

1 year

The first transaction on the #LUKSO mainnet. A historical one that sends 1 LYX! 🪂 With a very interesting input data 🤔

skima

@skimaharvey

1 year

First transaction on LUKSO's mainnet and guess who received it 👀

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Jean Cavallera - CJ42

@JeanCavallera

10 months

There is a new underrated feature in the new #Solidity v0.8.22. Apart from the unchecked increment by default in loops, here is a nice new feature: You can now define events at file level 👌🏻 A thread to discover this feature + learn Solidity through the compiler errors🧵🔎

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Jean Cavallera - CJ42

@JeanCavallera

3 months

Here we go! First rounds of integration, this is just the beginning #LUKSO dam and we are aligning the docs around this! 🫡🪂

API3

@API3DAO

3 months

API3's Oracle Stack is live on @lukso_io ! Builders can now power the creative economy with: ▲ +180 decentralized data feeds (dAPIs) on the API3 Market ▲ OEV Network to recapture protocol MEV (launching soon!) Start building today! 🛠️

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Jean Cavallera - CJ42

@JeanCavallera

4 months

The days, the ambiance, the music is pink. I love every single second of it, and I am feeling inspired 😊🩷🪂

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Jean Cavallera - CJ42

@JeanCavallera

3 months

I am so happy to have participated to the @EthPrague hackathon and won 2nd prize of best subgraph with @HugoApps and @MagaliMorin9 ! 🥳🥈 Hadn’t done a hackathon for ages and this only gives me more motivation to keep building! 🪂

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Jean Cavallera - CJ42

@JeanCavallera

5 months

To the #SmartContracts developers who created and deployed the TrumpWifPutin token contract on #LUKSO , you forgot to put a `withdraw()` function. This means the creators or the owner of the token contract cannot withdraw the LYX held by the contract that people sent when

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Jean Cavallera - CJ42

@JeanCavallera

6 months

Currently at the cafetaria at #EthDenver24 coding. If anyone want to meet and code together some Solidity, dApp, LUKSO or anything else.

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Do you want to discover #LUKSO Universal Profiles as a user? 🆙 Here are the 3 things you can do to get started: 🧵

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Jean Cavallera - CJ42

@JeanCavallera

10 months

This is huge! This is the start of the real deal! Coolest blockchain explorer ever! 🚀 🪂

Felix Hildebrandt

@voulex

10 months

Our #LUKSO #Testnet explorer just got an upgrade, showing the identicon, name, and profile image of the @ERC725Account . 🚀 Huge step 🆙 when navigating through smart contract transactions or checking ownership of assets and vaults. 😊

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Jean Cavallera - CJ42

@JeanCavallera

3 months

How about the following. Just imaging 🧠💡Some examples of super experiences that could be created on #LUKSO using @ERC725Account What about if when @ledfut_dj put his headset on, his 🆙 would pop-up to ask him to log-in. He starts mixing, we connect to the @TheDistrictVR

Lou3e 🆙

@lou3ee

3 months

Evolvement 🆙 @TheDistrictVR <> @lukso_io

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Jean Cavallera - CJ42

@JeanCavallera

1 year

People have been asking for some demos and showcase. Here is a great one that show that #LUKSO 🆙 can support EIP4337 transactions. You just have to plug an extension to your UP, to make your Profile compatible with any Account Abstraction standard. @skimaharvey 🙌🏻🪂

skima

@skimaharvey

1 year

When 🆙 meets 4337 🚀

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Jean Cavallera - CJ42

@JeanCavallera

6 months

Shoutout to these talented artists in the @lukso_io ecosystem! Such drawings are so beautiful! 🎨🖼️✍️🪂🚀🔥💎👌🏻🩷💙🩶

Lazy Buns

@LazybunsNFT_

6 months

Have you ever wondered what our collections are doing while we are not looking? 👀 Here is how we imagine it! Drawn by @Drowsytokki featuring our Lazy Buns, @feindura and some @_universalpage collections ❤️ More arts like this coming only on @LazybunsNFT_ #lukso #lazybuns

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Jean Cavallera - CJ42

@JeanCavallera

1 year

For those looking to learn Ethereum and the EVM in depth, I have compiled a glossary of symbols (mathematical ones or not) mentioned in the Yellow Paper with what they refer to 📒👇🏻 Hoping it makes your reading easier. #Ethereum #YellowPaper #EVM

Ethereum Yellow Paper — Symbols Summary

This is a summary of all the symbols in the Ethereum Yellow Paper. To be used as a reference for anyone looking to build an Ethereum…

jeancvllr.medium.com

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Jean Cavallera - CJ42

@JeanCavallera

4 months

I am looking forward to do this workshop for @lukso_io Anyone from the #LUKSO Fam and Community who want to learn how to do specific things in #Javascript / #Solidity with 🆙? Let me know in comment and I will make sure you are heard and deliver this content! 🫡🪂

Safe

@safe

4 months

Safe{Con}2 workshops 🛠️ 🔥 Join Jean Cavallera @JeanCavallera of @lukso_io in the Workshop Room to learn about "An In-depth View into Universal Profiles and Their Capabilities". Stay Safe and build on!

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Jean Cavallera - CJ42

@JeanCavallera

6 months

“If you are a developer and you are building a dApp, you launch, you expect people to start using it… Well no they can’t they need to go to an exchange to buy some native tokens to pay for the gas. At this stage, how many users have you lost?” @CallumGrindle

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Simply a much better way to interact with the web3 world, and show to ELI5 people what the web3 culture and vision is. And yet, we are just at the first early release version of the @lukso_io Browser Extension! 🤘🏻

Hugo Masclet -📍KBW

@HugoApps

1 year

It looks like another Web3 browser extension - yet it is a total paradigm shift ✨ @lukso_io

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Thank you to @milotruck for your awesome reports and findings on the #Code4Rena audit contest for the @lukso_io LSP smart contracts! 🚀👌🏻 All the Medium findings have been fixed and released. Currently fixing + improving with your Low findings

LUKSO Tech Documentation

Network, Standards, Tools and Guides for development on LUKSO and related standards.

docs.lukso.tech

MiloTruck

@milotruck

1 year

Just added my findings from the @lukso_io contest on @code4rena to my audits repository. Took some time to compile them into a nice PDF report, you can check it out here:

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Let's continue the All About Errors sub-series in Solidity with Part IV: try / catch 🪂 📚 We will see how to use it to catch different type of errors with: - external calls + contract creations - the variants of the catch blocks - the gotchas

Solidity — All About Try / Catch

This is Part IV of the All About Errors sub-series.

jeancvllr.medium.com

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Jean Cavallera - CJ42

@JeanCavallera

3 months

Find me a project, protocol or #Solidity / #SmartConracts codebase that went through 10 audits in total 🫡🪂💪🏻

Universal Profiles

@ERC725Account

3 months

The @lukso_io smart contracts 📜 went through 10 audits, including a formal verification over the course of their development. During all audits we had no vulnerabilities or profile takeovers 🦾 Check out the reports 📑 here 👇

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Jean Cavallera - CJ42

@JeanCavallera

5 months

It's 1am, struggling with the code and thinking in my head "WAGMI, WAGMI !!". And finally made the basics work. So gonna sleep very well tonight! 😁 LSP20 is coming in the 🆙 🧩Browser Extension! 🪂 🚀 What does that imply? Little thread 🧵 Note: This only has effect if you

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Jean Cavallera - CJ42

@JeanCavallera

3 months

#LUKSO / @lukso_io developers, what are the guides you would like to see around: - LSP7 Tokens? 🪙 - LSP8 NFTs? 🖼️ What you would want to learn to build? Comment below 👇🏻

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Jean Cavallera - CJ42

@JeanCavallera

4 months

Don't worry LUKSO Fam, you will have more of these #LUKSO educational thread coming out. Masterchef Jean is busy in the kitchen, cooking you some awesome content with @KatBanas @linaventures1 @natashalfawn @buzea200 and @rowwwpkee 🫡🧑🏻‍🍳🚀📖 Love you folks and want to make you

Universal Profiles

@ERC725Account

4 months

How does your #UniversalProfile 🆙 register new tokens and NFTs you receive? When you receive new token or NFT, you can see it immediately in (Unlike Metamask 🦊, where you have to import every token manually). A thread to explain how this works 🧵

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Jean Cavallera - CJ42

@JeanCavallera

8 months

Saturday vibe at the British Library 📚🔗

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Jean Cavallera - CJ42

@JeanCavallera

4 months

Hello everyone from the #LUKSO developer community! 👋🏻 I am preparing my workshop for my Safe{Con}2 workshops, focused on showing the capabilities of Universal Profiles 🆙 (aka @ERC725Account ), with a live coding tutorial as an example + a basic dApp I am building. Is there

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Jean Cavallera - CJ42

@JeanCavallera

10 months

Q&A now about #LUKSO with @0xYamen @JohannKalote @HugoApps and @stephenahorvath Feel free to ask any question in comments below ⬇️ I will ask them to the panel 🟪🆙🪂

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Jean Cavallera - CJ42

@JeanCavallera

3 months

Ever seen some #Defi protocol being social as well? Checkout @UniversalSwaps for only on @lukso_io ! 🩷🪂🚀

Universal Swaps 🛸

@UniversalSwaps

3 months

1) 🌟 Big News! @UniversalSwaps 's Social page is LIVE! 🚀 Now, experience real-time activity of all users. Check out users portfolios, match their trades, and see the pools they provide liquidity for. 📊

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Jean Cavallera - CJ42

@JeanCavallera

1 year

console.log(« Starting #LUKSO Genesis Validators Deposit Contract ») 🆙 So happy and proud to be part of this incredible story 🚀 🪂 ❤️ And it’s just Chapter 1!

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Jean Cavallera - CJ42

@JeanCavallera

1 year

@ArbitrumZK @lukso_io @feindura @0xYamen @skimaharvey @b00ste_lyx Sure here is a very basic video demo. Integrating the Twitter API v3 to upload your Twitter profile infos into a 🆙. (Unfortunately, the free plan from Twitter does not allow you to import the banner image). This uses also our tools: erc725.js + lsp-factory.js

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Did you just complete your #Code4Rena audit contest? Overwhelmed by all the findings submitted by Wardens and don't know where to start? Here is how you can sort them in few minutes and get a nicely organised table on #Notion , using the #GitHub REST API + #Notion AI 📄🗄️🧠

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Jean Cavallera - CJ42

@JeanCavallera

10 months

Here is a syntax I like writing in #Solidity To avoid writting really long `constructor` that redefine the params of the parent contract(s) again. 1) specify the constructor arguments of the parent contract in the inheritance (possible if they are known or pre-defined in

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Jean Cavallera - CJ42

@JeanCavallera

1 year

One thing I have realised at @lukso_io by talking LSP standards on a daily basis with @feindura @0xYamen @skimaharvey and @b00ste_lyx is: Talking about standardisation around Blockchain, Web3, Accounts and 🆙 is as hard and complex as being a philosopher reflecting on questions

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Jean Cavallera - CJ42

@JeanCavallera

2 years

5) But this is just for 1.0.0 Wonder about 2.0.0? The plan is to re-write the whole compiler in Rust. If you are a smart contract developer, it might be a good time to learn Rust. Not only to try to understand how Foundry work, but to be part of the OG of the future 2.0.0 💪🏻🫵🏻

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Jean Cavallera - CJ42

@JeanCavallera

1 year

A topic not often covered in depth in Solidity and Ethereum❓-> Errors I am excited to announce the start of the "All About Solidity Errors" subseries. 🪂🚀 First article = a gentle intro to EVM Halting errors with some exercises

EVM Codes - Opcodes

An Ethereum Virtual Machine Opcodes Interactive Reference

www.evm.codes

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Jean Cavallera - CJ42

@JeanCavallera

1 year

If you want to learn #SmartContracts programming in #Solidity and the EVM on your own, you don't need to spend lot of money on online courses. You can just use the "LearnEth" plugin from Remix. It has a lot of great content! A little thread 👇🧵 1/6

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Jean Cavallera - CJ42

@JeanCavallera

1 year

#LYXe ➡️ #LYX is now live! @lukso_io is like an amazing and addictive series on Netflix. You can’t wait for the next episode, but you don’t know how many episodes or seasons there are or will be! 🎬 Come in for Episode 2! 🪂🚀

Fabian Vogelsteller

@feindura

1 year

LYXe - LYX migration live 🛫

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Jean Cavallera - CJ42

@JeanCavallera

2 years

An important topic was not covered in "All About Code" (because 27min is too long in this "tldr era" ⌚️) So extracted the content in it's own article. Welcome to All About Constants & Immutables 🪂🧱⛓️ 1/2

Solidity Tutorial: All About Constants and Immutables

Walk through the inner working of constant variables in Solidity

betterprogramming.pub

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Jean Cavallera - CJ42

@JeanCavallera

6 months

There is one thing that I keep seeing comments on #LUKSO . Something totally misunderstood by the community. “Are the LSPs finalized”? “When will the Token Standards be finalized”? There is no such thing as a standard “finalized”. What dictates if a Blockchain standard should be

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Jean Cavallera - CJ42

@JeanCavallera

2 months

Have a great week-end everyone! 🫡🌊

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Jean Cavallera - CJ42

@JeanCavallera

2 years

Coming soon! 🏆

LUKSO

@lukso_io

2 years

It has been 6 weeks since we kicked off BUILD 🆙 # 1 and the time everyone has been waiting for is almost here ⏳ Join us for the Hackathon Awards Ceremony this Thursday at 4pm CET to see the winning projects selected by our judges 🏆 👉

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Jean Cavallera - CJ42

@JeanCavallera

1 year

Does anyone believe your parents will learn what a “Private Key” is to use #blockchain and #web3 ? If you think yes, you are doomed! Amazing presentation from @stephenahorvath on @lukso_io and Universal Profiles! 🆙🙌🏻🪂

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Jean Cavallera - CJ42

@JeanCavallera

6 months

Here is a developer digest of #EthDenver24 , my reflection on how it felt for me, my opinions on how to approach Blockchain events and what I have learnt from it. A thread 🧵

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Jean Cavallera - CJ42

@JeanCavallera

2 years

With `bytes` parameter in Solidity, you can play around with the offset to do some ASCII art in transactions. Here is an example with @lukso_io Universal Profiles 🆙🎨 Hiding + wrapping some nice messages within "bytes gift wrappers" when sending LYX to your 🆙 friends 😁

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