WINTΞR 💙💛 @w1nt3r_eth Twitter profile

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WINTΞR 💙💛

@w1nt3r_eth

2 years

I'm building web3 projects in the open. This is a meta-thread of all the interesting things I've learned ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

If you only use Etherscan to browse Ethereum, you're missing out. Here's a list of power tools (and their hidden features) that security researchers use to investigate hacks. ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

My favorite JavaScript lifehack lately: when I need to process a lot of data in parallel, I don't split it in batches upfront. Instead, I create a pool of workers that pull work from the queue. This way slow tasks won't block the rest of the batch.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Honest builders in web3 are at a severe disadvantage: - hate shilling their projects - don't employ sketchy tactics - don't want to overpromise returns - filled with anxiety about letting other people down - critiqued by degens expecting infinite growth How can we fix this?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Next frontier in the NFT gas optimization game: put the data into the token id itself! The thread goes into more details ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

2022 be like

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Ever wanted to peek into an unverified contract on Etherscan? Here's a tool for that! Using dark magic we can reconstruct ABI from bytecode! This is how it works (+ the link to GitHub) ↓

ABI for unverified contracts

Guess ABI of any Ethereum contract

abi.w1nt3r.xyz

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Blockchain developers' CI be like

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Here's a story about a project I really enjoyed building. A few months ago I had an idea: what if there was an NFT collection that can't be bought with money, but needs to be earned with skill and dedication? ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Working on the course website, here's a small teaser 🤫 Aiming for the right vibe: unusual, bold, provocative, playful. What do you think?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

How to get better at Solidity? Ez: 1. Read The Book 2. Lurk on Etherscan 3. Use alpha tools 4. Learn EVM 5. Follow the right ppl / get on Farcaster 6. Join (and then start) Discord servers 7. Build and ship (in the open)

How to get better at Solidity

Initially, I was skeptical. The book was released in 2018. The space moves so fast, surely the content won’t be relevant in 2022? But I’m so glad I gave it a chance!

w1nt3r.mirror.xyz

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WINTΞR 💙💛

@w1nt3r_eth

2 years

This is probably the most significant output of my web3 journey so far. Absolutely everything I know from a year of building, reading and auditing NFT projects — in one single place. 🏝 I'm back from the holiday and need a little boost, would appreciate a like/RT

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Introducing hot-chain-svg 🔥⛓🎨 — a toolkit for building on-chain SVG projects for Ethereum. - Hot reloading - Visual testing - React-inspired APIs Code:

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Generative NFT art project idea: you buy a token, and it comes with iOS automation script that updates your lock screen with a new visualization derived from your token every day. If this tweet gets 100 ens in replies I'm gonna build it.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

HOLY SHIT THIS IS ABSOLUTELY GENIUS 🤯 A zk-SNARK that reveals your public key if you cheat.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Working on NFT Contract Checklist. A one-stop list of common best practices implementing NFT contracts. I'm organizing it now, adding descriptions and examples. Open-sourcing soon, click 🔔 on profile if you don't want to miss it or tag a friend if it's interesting 😅

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Finally figured out why @VitalikButerin 's blogposts, when printed, show full URLs to the links. It's intentional (and super handy!)

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Just finished reviewing @okpcnft 's contract and let me tell you — it's as elegant as the NFT itself. Here are some details (and a few small issues) that caught my eye: ↓

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WINTΞR 💙💛

@w1nt3r_eth

11 months

Do you really want to transfer ETH into an app that console.logs its wallets?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

SNOW v1 Access Key: dropping today. 1. Solidity devs only (general access later) 2. Comment with keccak256(abi.encodePacked(address)) 3. Wait for further instructions (in ~4 hours in reply to this tweet)

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WINTΞR 💙💛

@w1nt3r_eth

2 years

How to become a better Solidity developer, in 5 easy steps. Let's go ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Excited to announce that @austingriffith and @buidlguidl sent an angel check to support my EVM From Scratch course: "No strings attached, keep building awesome things" 🤯 Thank you, friends! I'm now spending even more time on it, hoping to fully launch it soon! 🫡

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Font selection is a criminally underinvested feature in @figma . It's not even good for people who know exactly what they want, let alone people (like me) who have no idea. I feel like the kid in the 90s again, trying every single font in MS Word.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

We're working on open-sourcing our tooling for building on-chain SVG art: 1. React-inspired API 2. <100ms hot reloading 3. Visual QA tools Know someone who'd be interested? Please tag them. A few teasers below ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

It's alive! Solidity code, running in the browser, with access to the page content.

WINTΞR 💙💛

@w1nt3r_eth

2 years

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Weekend project idea — turn any ERC20 token into a redeemable NFT. Wtf? Why? How? Details ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

I'm entertaining the idea of doing web3 full-time. DM me your recs or pitches. Quote-tweets appreciated. 🙋‍♂️ eng, rebel, 15+ yrs at faang & startups, founded many successful teams & products, good w/ zero-to-ones 🔍 smart teams building ✨ UX/DX stuff for web3

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Working on something fun :) Do you have friends who LOVE solving CTFs? This would make a really cool holiday present. Drop your ENS if you want access early ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Anyone else here a big fan of @visualizevalue ? I've put together a simple iOS shortcut. Every day it updates my lock screen with a random VV. DM if you want this, currently it requires a few manual steps. Will streamline & publish instructions if enough ppl want it

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Spicy takes on web3 social. I was around when phpBB was invented, I worked at Facebook for many years, I see "web3 social will change the world" narratives and I can't keep quiet ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

forge inspect $CONTRACT ir-optimized 🤯 Blows my mind (aka "radically upgrades my capabilities") It takes Solidity code and shows the optimized Yul assembly. Unlike the raw bytecode, it's much easier to read and understand. Let me tell you why I think it's amazing ↓

0age

@z0age

2 years

There's a well-known phenomenon in software development: often, you'll "plateau" for a while before discovering a new trick, tool, or workflow that radically upgrades your capabilities Recently discovered one such trick & want to share with my fellow smart contract optimizors 👇

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Here's a NextJS trick that made writing APIs 10x more fun. Say you want to make an endpoint that accepts address and chainId, and returns JSON. How would you do it? For the longest time, I used to write 💩 code like this ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Which ERC721 implementation is the best? I tested: • @OpenZeppelin • @transmissions11 's solmate • @AzukiOfficial 's ERC721A • @ShadowQuest_NFT 's ERC721:Shadow Let's go ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

FREE SMART CONTRACT ROAST 🔥 I'll review your Solidity code and provide feedback. Rules: - Has to be your code - OK with me sharing some parts - Export to Gist and send a DM - No promises

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Every rollup tutorial, blog post, or video, be like

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WINTΞR 💙💛

@w1nt3r_eth

2 years

The SVG-on-chain hot reloading tool is coming along…

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Foundry pro-tip: keep adding "v"s in `forge test -vvv` until it prints a full trace of electrons going around your computer's RAM

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Here's a new pattern I started using lately: allow the owner of the NFT contract to execute any transaction on its behalf. It's more flexible and future-proof than the old pattern of withdrawing balance & coins. It DOES NOT allow the owner to rug the project. Details ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Before EVM course: "what a confusing line of numbers" After EVM course: "oh yeah 606060405260043610603f57 ez stuff"

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WINTΞR 💙💛

@w1nt3r_eth

2 years

My solution to @RareSkills_io 's ERC165 challenge. It was wild because I felt like I had to pull together some really crazy hacks. I scored 27 gas (the bar was 46 max), 6 transactions, no cheatcodes! I promise you'll learn something new :) ↓

WINTΞR 💙💛

@w1nt3r_eth

2 years

This is the most insane level of hacks I've ever employed. Now I just need a little motivation to write an explanation. Please like/RT for motivation 🙏

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WINTΞR 💙💛

@w1nt3r_eth

2 years

WINTΞR 💙💛

@w1nt3r_eth

2 years

Hear me out: Foundry but for building dApps

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WINTΞR 💙💛

@w1nt3r_eth

2 years

I made $200,000 last year ghostwriting premium smart contracts for superstar devs. It takes me 5 hours a week. Here's how I found my clients and built a booming side hustle from scratch.

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WINTΞR 💙💛

@w1nt3r_eth

1 year

The first @prtyDAO -native NFT! I'm making a tic-tac-toe game with a twist: each player is a DAO! The winner takes the funds raised by both parties. I'm very curious about how people will coordinate in this fast-paced environment. But there's more ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

@transmissions11 @shazow Wrapped this up into a web app

ABI for unverified contracts

Guess ABI of any Ethereum contract

abi.w1nt3r.xyz

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WINTΞR 💙💛

@w1nt3r_eth

2 years

The EVM course is designed to turn Solidity developers into shadowy supercoders. Optimized to be fun and addictive. In this class, we'll: – Re-implement EVM from scratch – Learn how to read and write bytecode – Uplevel our Ethereum skills

EVM From Scratch

Sign up for early access to EVM From Scratch.

www.evmfromscratch.com

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Why don't we have guilds and apprenticeships in tech? It seems like such a great model. A group of people shares the teaching, reputation, community, craft, growth, and upside. The incentives are aligned ✅ Compare it to how we do things now: ↓

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WINTΞR 💙💛

@w1nt3r_eth

1 year

Here's a project I've been secretly working on for the last couple of months. It's about advancing the way on-chain governance works. To understand why it's interesting and useful, let's think about the path to governance from the first principles ↓

Zero to Governance

One day, cleaning up your garage, you discover an old hard drive. You plug it into your fancy new MacBook and start looking through the files. One of them makes your heart rate go up — it's an...

w1nt3r.mirror.xyz

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WINTΞR 💙💛

@w1nt3r_eth

7 months

Finally — publishing the story behind @basepaint_xyz

BasePaint

“This is the most fun I had onchain in a long time” — creators and users of BasePaint.

w1nt3r.mirror.xyz

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WINTΞR 💙💛

@w1nt3r_eth

2 years

It doesn't get less scary, but you get used to that…

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Introducing Season 01: a free NFT for my subscribers on @viamirror . If you love my work, please subscribe & mint. The NFT is free, but the minting closes next week!

Season 01: NFT for early subscribers

w1nt3r.eth was born in 2021 during the NFT summer.

w1nt3r.mirror.xyz

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Levels of knowledge: L1 - Briefly heard about something L2 - Researched the topic at great length L3 - Experienced on your own skin Example: L1: Smart contracts are cool L2: Studied Solidity docs, took a class L3: Deployed to mainnet & ppl use it Why it's important ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Here's @lootproject — one of the first "fully on-chain" NFTs. It used ERC721 spec in a very clever way that brought an avalanche of on-chain projects. Let's take a look ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Be careful about tweets, articles, and videos that make you feel smart. Cheap calories. True learning happens when you roll your sleeves and *do* something you've never done before.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Is there a version of the Yello Paper that's more accessible to software engineers? Or a quick tutorial on how to read these cryptic scribes?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

— the best web3 gaming has to offer, only on @optimismPBC . Rules are simple: click the button every 6 hours. Rumors have it things might start to look different depending on Clicks balance…

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WINTΞR 💙💛

@w1nt3r_eth

2 years

✅ Fully on-chain ✅ Shows current date and time ✅ Ticking Can't do that in pure SVG so our animation_url includes some base64-encoded html+js

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WINTΞR 💙💛

@w1nt3r_eth

2 years

This is the most insane level of hacks I've ever employed. Now I just need a little motivation to write an explanation. Please like/RT for motivation 🙏

RareSkills

@RareSkills_io

2 years

It's the moment you've all been waiting for. Your gas target this time? 46 gas. But maybe you can do better? Screenshot of the key part below. Please share this with your dev friends! Test: Contract: Prizes and rules below 👇

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Until I discovered zod. It's a small little library I bring everywhere now. With zod, you define the shape of the data you want. When you pass raw inputs, you'll get a nice, typed object (or a helpful error message). So much cleaner.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Best practices when handing payments 💸 in NFT contracts #solidity ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

To recap: – Etherscаn (try the new decoder and .io → .deth.net) – (and ) – – – – – (watch out for release)

ABI for unverified contracts

Guess ABI of any Ethereum contract

abi.w1nt3r.xyz

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WINTΞR 💙💛

@w1nt3r_eth

1 year

Wow is really awesome! Just put together a simple NFT contract, deployed it and got a nice-looking mint page that figured out how to call my contract automagically 🔮

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Playing around with "NFT Project Profile". What do you think?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Facebook. 2012. The site is used by One Billion People. The product moves with a breakneck speed. We are burning A LOT of cash on servers and electricity bills. Can't keep up with the growth. Need to make the site more efficient. How do you motivate the engineers to do that?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Solidity masterminds, may I kindly ask for your code review of this unorthodox NFT contract? How would you describe the runes' inner workings and meaning? 0x555555551777611fd8eb00df11ea0904b560cf74

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Comparing different ERC721 implementations for minting 10 tokens at a time. You can see Solmate is better than OpenZeppelin by using tactical tricks, whereas ERC721A is using strategic storage optimizations. To be continued…

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WINTΞR 💙💛

@w1nt3r_eth

2 years

rainbowkit is such a smart play by @rainbowdotme . If you are building a web3 website and want to support browser wallet (e.g. MetaMask) and mobile wallets (via WalletConnect) the most popular choice today is Web3Modal. But it's big, old, untyped, buggy, and pain to use with React

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Here's a technical way to evaluate on-chain NFTs. Function — what can you do with the objects Fidelity — how beautiful they look

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WINTΞR 💙💛

@w1nt3r_eth

2 years

I looooove building MVPs. Here's a thread about building the "Drop Your ENS" tool. For the last couple of days I've been building a minimal version of the app. Here's a little about the motivation, tech & learnings

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WINTΞR 💙💛

@w1nt3r_eth

2 years

In Solidity, why can't you iterate through mapping's keys? Every other programming language lets you do that 🤬 Wrong answers only! ↓

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Just used abi.encodeCall for the first time, neat! abi.encodeCall is a type-safe way to encode Solidity calls into bytes. It's better than encodeWithSignature because it validates the types at compile time! Here's an example

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WINTΞR 💙💛

@w1nt3r_eth

2 years

How to make projects on Ethereum more gas efficient on the scale of the whole industry? ❌ Teach devs EVM principles ❌ Teach devs to gas golf via memes 🤔 Build better gas reporting tools ✅ Shame

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Reminder for builders

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WINTΞR 💙💛

@w1nt3r_eth

2 years

The biggest mistake I've seen people make when writing smart contracts is overthinking it too much. The best contracts are elegantly simple.

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WINTΞR 💙💛

@w1nt3r_eth

2 years

@visualizevalue Instructions are public now!

Visualize Value for iOS

Get a random Visualize Value image on your lock screen

vv.w1nt3r.xyz

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WINTΞR 💙💛

@w1nt3r_eth

2 years

What is smart contract roasting? 🔥 This is a process we started at @solidityguild . It's when a more experienced Solidity engineer looks at your code and gives feedback. Asking for a favor: How would you explain roasting to a colleague or your manager?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Do you ever find yourself stuck writing Solidity and wondering if you are doing it right? If you are really following best practices?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

Calendly but for hackers? I love the concept of calendar links, but I hate the gaps in my schedule. Is there a product that offers ONLY the slots next to booked ones? Example: if I mark 10am-1pm as free, and already have a meeting 11-12, only offer 10:30-11 or 12-12:30 slots.

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@w1nt3r_eth

2 years

I wonder how many people holding @okpcnft know that the art it's showing is NOT the NFT itself. Eventually, you'll be able to paint whatever you want on it.

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@w1nt3r_eth

2 years

Young me was a "developer productivity" maxi: vim, shortcuts, plugins, custom fonts, shell aliases, lifehacks, podcasts, books… I took pride in optimizing every single aspect of my software development flow. Then, one day changed everything ↓

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@w1nt3r_eth

1 year

A few weeks ago I published an on-chain experiment: a tic-tac-toe game played by 2 DAOs. It's out of my control now: the game has started and a $5,000 prize pool is at stake. I follow both parties' private channels and here's what's going on:

XO: Party vs Party

I built an on-chain game that can only be played by two DAOs. I can’t predict nor influence what will happen next, but it gives me insight into how DAO governance works (and how to make it better).

w1nt3r.mirror.xyz

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@w1nt3r_eth

2 years

"Drop your ENS" is still an effective way to find your first users on Twitter. But how do you collect all the addresses? And once your app is out, how do you notify the people who have replied? Thinking of building a tool for that. Interested? Drop your ENS :)

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@w1nt3r_eth

2 years

TIL SELFDESTRUCT does not clear the contract's code immediately, so another deployment (via CREATE2) will fail if attempted in the same transaction. But if you submit a new tx with CREATE2 it will happily deploy new code to the old address. 🤔

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@w1nt3r_eth

2 years

Any examples of amazing devs who are also outstanding educators? It seems that the devs who produce classes, tutorials, videos, etc. are drowning in the education/advocacy metagame and have never actually made good software 🌶

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@w1nt3r_eth

2 years

@dhof Took a few hours off today to implement the basics. If someone wants to pick this up and implement the rest of the features, feel free! (cc0, do whatever you want)

GitHub - w1nt3r-eth/dom-strategy-game: Simple on-chain strategy game (work-in-progress)

Simple on-chain strategy game (work-in-progress). Contribute to w1nt3r-eth/dom-strategy-game development by creating an account on GitHub.

github.com

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WINTΞR 💙💛

@w1nt3r_eth

2 years

On a consulting call today I convinced a client they don't *need* my services and suggested a more cost-efficient solution to their problem. Felt like the right thing to do. I'm here to push the field forward, not sell anything to anyone. am I ngmi?

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WINTΞR 💙💛

@w1nt3r_eth

2 years

I think I get why tailwind is so popular: It removes the pain of naming things. No more "button_inner_container", just "p-3 text-center".

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WINTΞR 💙💛

@w1nt3r_eth

4 months

Thinking of getting an intern. Has anyone done this before? The plan is: 1. Find a smart, motivated person 2. Teach them EVERYTHING I know about crypto 3. Give them a solid project 4. Mentor through building and shipping Free to join. High bar. Own a major share of the upside.

WINTΞR 💙💛

@w1nt3r_eth

2 years

Why don't we have guilds and apprenticeships in tech? It seems like such a great model. A group of people shares the teaching, reputation, community, craft, growth, and upside. The incentives are aligned ✅ Compare it to how we do things now: ↓

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@w1nt3r_eth

2 years

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@w1nt3r_eth

2 years

Hear me out: Foundry but for building dApps

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@w1nt3r_eth

2 years

Planning to do something fun this Friday. If you are a Solidity dev (or aspiring to be one!), set aside an hour or two after lunch 😉

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@w1nt3r_eth

2 years

What is "building in the open"? In the last couple of weeks, I started changing the way I think about what "building in the open" means. It's not only about tweeting the technical details and sharing the designs. ↓

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@w1nt3r_eth

8 months

must… resist… the urge… to build… another… crypto… project…

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@w1nt3r_eth

1 year

Little gas golfing story for you tonight. I got a spare 1 hour (the gym is closed today) and decided to improve my upcoming XO game smart contract. The play function is going to be called the most, and currently it consumes 28K gas. Let's see if we can optimize it ↓

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@w1nt3r_eth

10 months

Achievement unlocked

taylor.dotfan.eth

@gtmcknight

10 months

this timelapse showcases the collaborative work of 501 artists drawing their favorite @xcopyart pieces for 24 hours the piece was then sold as an open edition with the proceeds auto-split based on how many pixels each artist drew the @basepaint_xyz community is extraordinary

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@w1nt3r_eth

2 years

Looks like it's time for us to figure out a better way to gauge NFT projects. "Floor Price" focuses on the wrong things.

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@w1nt3r_eth

1 year

Agora is looking for a Solidity wizard 🧙 who wants to build the next version of protocols powering the largest DAOs. You'll be working with ENS, Uniswap, Optimism, Nouns, and a bunch of other communities with $$B in TVL. And also with me :) RT plz

Zero to Governance

One day, cleaning up your garage, you discover an old hard drive. You plug it into your fancy new MacBook and start looking through the files. One of them makes your heart rate go up — it's an...

w1nt3r.mirror.xyz

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@w1nt3r_eth

4 months

There's this really unhealthy trend in all crypto-related React packages to require a context wrapping your whole app. This makes it extremely hard to lazy load and we end up with 1MB+ (gzipped!) JS bundles out of nowhere.

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@w1nt3r_eth

11 months

I regret using ERC1155. The idea is so good: gas-efficient, fungible NFTs. In reality, even the major NFT websites and wallets have problems with it. Op*nSea split our collection in 2, mintdotfun serves old assets, users don't know how many tokens they have, list goes on and on

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@w1nt3r_eth

2 years

The paradox of knowledge transfer: once you learn something, you lose the ability to teach it to others. (Also known as "the curse of the monad") I think I know what's going on. Let's see if I can explain it :) ↓

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@w1nt3r_eth

2 years

Me: *Decided to write an EVM from scratch* Copilot: I got you bud

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