Node Guardians
@nodeguardians
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Skill-based RPG for seasoned developers.
"The Fortress", Lodzhaven
Joined October 2021
Don't wanna be here?
Send us removal request.
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Pinned Tweet
🗡️Node Guardians beta is over!
Refined interface, new features, and quests await.
Sharpen your programming skills in a gamified, story-driven world while unlocking opportunities.
🎖️Guardians solving quests within 7 days get an exclusive reward.
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Calling all Guardians !
After months of development, is live.
Here is our humble contribution to the web3 education landscape. 🧵
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✨ We’re thrilled to announce our next big expansion - Cairo. This initiative is more than just an update; it lays the groundwork for an educational stronghold for
@Starknet
developers.
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🔒 As the autumn winds blow, something special stirs for the Guardians.
The "Cairo Month" is starting, promising 3 new quests from September 13th onwards.
Rare rewards, only for this occasion, await triumphant champions.
Stay alert and keep your senses keen…
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Step into the boots of a hacker and relive cryptocurrency’s darkest exploits
Taking inspiration from
@RektHQ
investigations & their infamous leaderboard, recreate 3 harrowing attacks and understand how billions of $ could have been saved
Check them out @
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⚫️ We are thrilled to announce our partnership with
@OnlyDust_com
Users who participate in our Cairo Quests will have the opportunity to increase their revenue when contributing to open source projects.
Find more details on this collaboration here:
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The Cairo month dawns tomorrow. So what to expect?
⚔️ Quests
- Unsafe Math - 13th September at 3pm UTC
- Storage Collision - 20th September at 3pm UTC
- Calldata Spoofing - 27th September at 3pm UTC
🧮 Scoring
The first 10 solvers for each quest will earn between 1 to 10…
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⏳The wait is over⏳
Dive into the depths of
@NoirLang
programming with 'Discovering Noir' – our latest campaign that explores the power of this domain-specific language.
This adventure casts you as a rebel mage in the oppressed realm of Norgard. Your task: infiltrate the…
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📜 The Cairo Month has come to an end, congratulations to our top solvers!
🥇
@tek_kac
-
@Carbonable_io
🥈
@lambda_0x
🥉
@droak_
-
@class_lambda
🏅Rob
🏅
@khaeljy
- Cloak Holding Guardian
The Order will be in touch soon to award your well-earned perks.
Kudos to our other…
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🔴In the market square, a troop of traveling players are recounting a historical tale, but something seems suspiciously off...
Step into the realm of Optimism Mainnet and learn how optimistic rollups ensure computational integrity. Now, enlightened, play your own challenge game…
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📜 Following our Cairo BrainfuckVM challenge, we are releasing our grandest quest so far: the Self-hosted EVM.
🔒 Alongside the most epic in-game EXP and gold ever offered,
@KakarotZkEvm
&
@nodeguardians
have teamed up to reward the first 5 solvers with an exclusive real-world…
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⏳The "Starknet Storage Layout" challenge is live!
In this endeavor, you'll take on the role of a brave scholar venturing into uncharted catacombs, unraveling the secrets of Starknet contracts and the state variables hidden from the typical developer's eye. A lost amulet awaits,…
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🦀 New episode alert!
We dive into the world of
@MadaraStarknet
, a Substrate-based sequencer for
@Starknet
appchains (L3), with our esteemed guest
@dimahledba
from
@StarkWareLtd
and regular co-host
@zkLumi
.
Unpack with us:
🔹The mechanics of sequencers
🔹The potential use…
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🏯 The time has come!
The 1st Node Guardians Hacker House is set to take place in Denver🇺🇸 from February 23 to March 4.
Enjoy the freedom to build whatever inspires you or explore our curated tracks in a spacious and vibey setting!
At the core of our mission is a deep…
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2. With more than 60 hours of content available (fr), including 38 individual Quests (and many more to come), join the Order of Node Guardians and teach yourself the practical skills needed for smart contract programming.
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🔵New Campaign unveiled: "Secrets Behind Arbitrum's BOLD"
Join the Order's historians and uncover
@arbitrum
's BOLD protocol, a strategic approach to all-vs-all challenges in optimistic rollup validation. Delve into the cryptographic foundations of the protocol and unravel the…
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🍂 As the Cairo Month unfolds, we present to you its first quest, the Unsafe Math challenge on !
A deceitful merchant in Cairo's market is taking advantage of naive shoppers, using Cairo's intricate 252-bit field element to set unfair prices. Your mission?…
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Introducing "Unveiling Huff", our newest campaign with the highest experience points to date!
This specialized low-level language is designed for crafting highly optimized EVM code.
Earn unique achievements as you showcase your skills.
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🔥 The next chapter of the Cairo month nears - September 20th at 3pm UTC brings the "Starknet Storage Layout" quest!
@tek_kac
, Rob,
@lambda_0x
,
@FabienC_dev
, and
@tristan_angles
lead; will you rise above?
⏳The countdown begins.
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Thrilled to unveil the 1st wave of visitors for our Denver 🏔️ Hacker House
Expect workshops, talks, FRIed food & snarky jokes
Applications will remain open until Feb 9th:
Revealing just enough without spilling all the details - We are pretty excited,…
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We would like to thank everyone who hacked on over the last 10 days.
More than 1,300 quests have been completed across the platform - this is beyond all of our expectations.
We’ve got some more data to share 🧵/4
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While the Arabica Testnet is brewing up, we spoke with
@musalbas
from
@CelestiaOrg
.
We explored the first principles of modular blockchains and sovereignty.
After welcoming
@sreeramkannan
, this ep comes as a nice conclusion to our series covering DA.
👉
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✨We're stoked to announce our developer partnership with
@Starknet
Cairo 1.0 will be the next language supported on
Expect an exhaustive set of campaigns breaking down Cairo & some new features Q2 / 2023.
We are thrilled to announce our new Developer Partnership with
@nodeguardians
to provide
#StarkNet
developers with the best possible educational challenges!
Node Guardians specializes in creating Solidity and Cairo 1.0 educational challenges to help devs hone their skills ✨
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📜 Eagerly presenting the next chapter in our Denver 🏔️ Hacker House saga: the 2nd wave of visitors has arrived!
Prepare to sample, preserve the essence of integrity , delve into programmable trust, and explore new VMs.
Closing applications tomorrow, so you have one more day…
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🎉 Excited to announce that we've been awarded RPGF2 funding by
@optimismFND
!
A huge thank you to the delegates who voted for us, our amazing users, and everyone who supports our mission. Stay tuned for more thrilling CTFs and coding challenges coming your way!
Huge news: the results of RetroPGF 2 are in! 🌞🌱
This experiment in retroactive public goods funding is driving growth of the Optimism ecosystem by allocating resources to the projects and people that have demonstrated positive impact.
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If Beta is over, do you know what’s next?
Legendary week⚔️
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🧱 Our Cairo 1.0 integration isn't just on the horizon, it's closer than you can imagine!
Intrigued about what's brewing? Here's a glimpse of the lore we're crafting.
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Only foolish mages spend mana recklessly, wise ones know how to save it
We are stoked to bring a new campaign on gas optimization!
SC optimization call is vital to minimizing gas cost, dive into the EVM’s arcane and master the art of gas-efficient code!
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Guardians, we're finally live on Youtube !
Expect podcasts, code reviews, workshops & governance calls on a regular basis from now.
In this 1st episode, we discuss Ethereum's technical roadmap with
@barnabemonnot
from the
@ethereum
foundation🙂
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⏳ Guardians, the 'Calldata Spoofing' quest has been released — it is the final act of the Cairo Month!"
In the heart of the city, there is a tavern where mages come to wash away their woes. On one such night, it seems that your companion has had a little too much to drink.…
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Hold tight guardians !
We're currently slaying the Bad Gateway dragons.
is experiencing some turbulences, we'll be back real soon.
Again, thank you so much for your support. It's above our expectations, really.
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🧱gNode modular enthusiasts & guardians.
Mark April 30th on your calendars to compete in CTF challenges, your house against the others - only the bravest will be rewarded.
ISB & NG recognize skills.
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The Infinite Space Bazaar hackathon will kick off the very first CTF Challenges in collaboration with
@nodeguardians
.
Read more below. 👇
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7. We look forward to seeing how far you will go in your journey - Feel free to share your avatar on Twitter using our handle
@nodeguardians
aaaand (very important) if you want to push feedback or build something with us - don’t hesitate to hit us up on Discord
Good luck!
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3. Our story-rich Quests provide practical coding challenges aimed at intermediate to advanced smart contract developers who want to level up their game.
Not a dev? Not a problem! Delve into our theoretical Quests to learn more about the concepts behind blockchains.
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🇫🇷 We're hitting Paris with full force as we prepare to rollout some massive updates during
@EthCCweek
!
Catch us at:
-
@class_lambda
's ZK Week
-
@EthCC
- The
@Starknet
Hacker House
-
@StarknetCC
If you're a Solidity mage or a high-mage? We're also cooking up something special…
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4. Create, customize, and level-up your own unique character as you explore the world of the
@nodeguardians
. Discover our lore, completing RPG style quests, gather XP, treasures, and collect 200+ pieces of equipment. (Items are bound to your identity)
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6. Currently is a desktop first experience.
Expect more content to come as we continue to expand our world with more Quests, technical stacks, characters and items coming in 2023.
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Explore & unleash the potential of Elliptic Curves with our latest quests!
We just released a series of articles exploring this cryptographic primitive, leading up to a challenge where you'll implement the NIST256 curve and master its applications.
👇
📜 Theory :…
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🔥 As Cairo Month's final curtain draws near, prepare to embark on its ultimate challenge — "Calldata Spoofing", set to unveil on September 27th at 3pm UTC.
🎖️ With two quests behind us, the race to the top 5 is heated. From seasoned leaders like
@tek_kac
,
@lambda_0x
, and Rob,…
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5. Craft and wield unique items that demonstrate your skill set to the different factions, proving that you have shown the talent, and bravery to become one of the champions of the Order ! Grinding XP & gear isn't only about vanity in the game 🙂
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Back with a new episode !
@0xmarcello
from
@HerodotusDev
gives us an introduction to storage proofs, a technology that allows trust-minimized data access between Ethereum's rollups & much more.
Link :
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The first Node Guardians Gas Golfing event is now live! Challenge yourself against developers from around the globe and climb the Gas Efficiency leaderboard.
Visit to participate.
Full details:
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We had the pleasure of having
@sreeramkannan
from
@eigenlayer
on the show.
We explored the concept of "re-staking" and its use cases.
Delved into how RS is implemented, how it might disrupt existing systems, as well as how to build on Eigen.
Link :
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⚡New quest alert!
Learn the art of the counterattack in our new challenge, "Flashloan Counter-Exploit".
Once in a while, an attacked DeFi protocol finds a way to outwit its hackers and recover stolen funds. Dive into one such scenario and mount your own counter-attack. Step up…
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Calling all front-end heroes! We're looking for a talented developer to join our team.
Apply now at
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Skill recognizes skill 🗡️
Huff campaign solvers have outdone themselves, solving some of the hardest challenges to date - XP deserved.
Special mention to
@saimeunt
@Sovni7
@BenoitSlch
for leading the way.
Your achievements didn’t go unnoticed:
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🔮Think you've mastered the EVM? Then a challenge lies in wait.
In Lodzhaven's mystical alleys, an alchemist seeks the skin of the Ouroboros. The undying serpent is as rare as it is mysterious, and can only be found by those adept in arcane bytecode—will that be you?…
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The fight for the leading spot on the gas golfing leaderboard is real. Guardians have been optimizing, but who will end up at the top?
Only a few more days before a new challenge and leaderboard arrive.
The race isn’t over yet - besides glory, an uncommon reward awaits.
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Summoning ZK-Circuits - the plot unfolds
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📜 The race for the Self-hosted EVM quest's top spots has concluded! A big salute to the swift five who led the pack:
🥇
@MasterPatate
🥈
@QCutsem
🥉 nzm
🏅
@khaeljy
🏅
@tristan_angles
A heartfelt thanks to our beta testers:
@sovni7
,
@RayXpub
,
@vali_dyor
, and
@FabienC_dev
, who…
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⚒ A new blacksmith has moved into town! ⚒
Foundry, the popular testing toolkit, is now supported on ! Configure preferences to run local tests via Foundry & unlock a wealth of features.
Struggling on a CTF ? Join us on Discord!
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🔥 Hot off the forge: Our "Emergency Governance Attack" Quest is now live on !
In the world of decentralized governance, one false move can spell disaster. Time to put your Solidity skills to the test and spot the vulnerabilities in a governance contract
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📜Dive into the heart of governance with the “Quadratic Public Goods”, a quest that challenges the norms of token voting.
In Cappenberg, a town divided in the wake of a storm, your wisdom is needed. Create a fair voting system using quadratic equations, and ensure that every…
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🎙️ We're unveiling a new format - "Path of auditor"!
We chat with Kenan Bešić from
@chain_security
, delving into his journey in smart contract auditing, his methods, tools, and a deep-dive into the reentrancy bug in Curve that he discovered.
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🆕 Quest Alert: "State Channels"
Step into the realm of 'State Channels’, a scaling solution that enable the use of off-chain messages to simulate activity, and as a result, minimize burdening the blockchain for confirmation.
Dive into this quest to understand their mechanics…
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Insecure private key generation, unprotected calls, reentrancy … exploit those vulnerabilities to complete the “Get Rekt” campaign and be rewarded with a unique investigator item.
Safe Travels, Guardian !
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Someone said "bridge"?
Well, we had a great time chatting with
@AlexSmirnov__
from
@deBridgeFinance
& indep researcher
@zkLumi
We discussed the current landscape of bridges, DLN, how to build with it, and the different attack vectors to consider
Link:
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Think you get contract inheritance?
In Solidity, inheriting contracts can change some parent contract functions. This rule is part of how Solidity works.. right?
Try this challenge and see if you can beat the Solidity compiler with your skills.
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⚔️ Fresh Content Addition: Huff Language & Solidity Quests
Discover our latest quests. For Solidity novices, craft your first ERC20 and ERC721 token in our "Token Standards" campaign.
Cryptography enthusiasts, delve into "Vanity Theft" and outsmart ECDSA signatures.
And for…
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Congratulations!
Remember, if you want to have a deeper dive into how BOLD works, we’ve got you covered with a theoretical campaign:
1. Cryptographic guarantees behind BOLD
2. How BOLD solves delay attacks
And of course, quiz at the end:
Fraud Proofs took us to a Stage 1 rollup.
Today, with BOLD, we’re on our way to becoming a Stage 2 rollup!💙
BOLD, permissionless validation on Arbitrum, is now live on testnet! 🧵
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Over 1,000 loot boxes have been opened, with 60 legendary items crafted.
18 guardians have already become "High Mages" and joined the ranks of elite devs who have completed more than 10 quests.
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🚨 New Quest Alert: "Static Call Detection"
The bustling port town of Windersail has a pirate problem.
Your task? Use your understanding of read-only calls to refine their alarm system and help the guards effectively separate friend from foe.
🔗 Begin the Quest:…
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🟤One week after the initial Gas Golfing release,
@AurelienMassa
@real_philogy
@shunduquar
are leading.
Time for the next challenge.
You can still compete for "Remove Duplicates" until May 17.
Your strategy, your story, your unique rewards.
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🔜™️ What's Next?
Get set for an action-packed schedule: a new game mode reveal and the much-anticipated leaderboard, the Node Guardians Hall of Fame.
Following this, prepare for a partnership that values your Skill points, and an exciting leap into new ecosystems.
The…
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🆕 Features Unveiled: Skill Tree & Achievements
Tackle challenges and use your skills to navigate a dynamic tree, gaining powers for avatar customization.
As you progress, unlock achievements that mirror your journey and advance in the Node Guardians universe, granting access…
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The most trending skill sets :
1) Low Level Programming
2) Advanced Design Patterns
The most played campaigns :
1) Understanding storage 👉
2) Randomness 👉
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🎨Behold! Refined avatar customization has been unleashed on , along with several UX improvements!
We'd be thrilled to see your profile creations. Share them with us and spread the magic!
Await further enchantments & thrilling quests, coming soon!
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This week,
@samnode_
&
@zkLumi
had
@0xshake
of
@PolymerDAO
on the podcast.
Polymer aims to bring IBC to Ethereum, standardize the transport layer & more.
Unfamiliar with light client bridges ? Check this episode 👇
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⚔️ Today, many flags fell. The throne was taken.
@RayXpub
the key to the Pantheon shall be yours.
Reach out.
Made it back to rank 1 on
@nodeguardians
, facing some stiff competition from my fellow guardians !
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We look forward to sharing what we’ve been working on behind the scenes.
Feel free to give our platform a try at (no email signup) and join the discussion on our Discord. Your feedback is essential to help us build a better tool for you.
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Here’s a sneak peek of the house, 8 rooms for 8 hackers!
We’re keeping the merch a secret for now, few remember the merch from Paris🗡️
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Note that we aim to reserve not more than two-thirds of the rooms for current Node Guardians Highmage users.
Ethereum alignment goes beyond just client diversity, so we encourage you to apply even if you haven’t solved any challenge before.
Just feeling like hacking/passing…
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And remember: victory pays in kind. Triumph over these hurdles and claim an exclusive set of gear, crafted specifically for the Cairo launch. The next phase of your adventure begins here.
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@sreeramkannan
@eigenlayer
Our episodes are now following a basic structure to give our viewers 2 options :
First 15/20mn - fast get-to-know of the protocol
Past 15/20mn - deep dive.
Have an amazing weekend.
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Dive into algorithmic puzzles, construct brainfuck VMs, and break unconventional account contracts on this unique journey we've crafted for you. This is merely the beginning; we've got more quests in store to test your abilities.
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But stepping into Cairo's realm won't just involve traditional learning. No, we're taking a leap beyond the conventional, inviting you into a world of unique and engaging challenges. Are you ready?
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@namadanetwork
@ZKValidator
@SimplyStaking
@papersDev
@P2Pvalidator
@Maven11Capital
@Lemniscap
@vKnowable
@Figment_io
A pleasure.
Looking forward to the testnets : )
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@Benoist_PINCON
@subinium
@AurelienMassa
@cergyk1337
@tristan_angles
@Peyhas
@jfrancai_
@MasterPatate
@remilm
Black magic, it is
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Start with the basics of Huff, navigating through simple code and puzzles.
Then delve into advanced topics like contract functions, arrays, calldata, storage...
Your final test: use everything you've learned to optimize a Huff contract.
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The Blobstream CTF will go live on Tuesday, on both the Node Guardians and the Infinite Space Bazar platforms.
Master the arcanes of data publication and querying Celestia's Blobstream on Ethereum.
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Located in Aranhan's southeastern peninsula, the Huffen plains are where the honorable Riders of Huffen reside.
These knights follow a strict code, but now face a new, formidable threat that even they might not withstand...
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@SaaNiambour
@NoirLang
Of course, feel free to join our Discord channel:
You can find the link on Node Guardians website as well.
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@Rahatcodes
Hey
@Rahatcodes
- the platform can only be improved on so many aspects but we look forward to have your connoisseur input on this first version ❤️
Thanks again for giving it a chance -
More quests & ux improvements to come :)
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@ret2basic
@nisedo_
Vanilla/homepage - top right icon - account settings : )
Thanks for playing sir!
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Any legendary full sets out there ? EVMonster has been farming hard lately : )
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@jerome_0x_dev
These heartwarming words that will definitely motivate the them to ship even crazier features & experiences.
Thank you high mage ! : )
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