Jarrod Watts @jarrodWattsDev Twitter profile

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Jarrod Watts

@jarrodWattsDev

2 years

@itstimconnors You could fit this conversation into this template

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Jarrod Watts

@jarrodWattsDev

5 months

Vitalik just proposed EIP-7702. It's one of the most impactful changes Ethereum is going to have... EVER. So, here's everything you need to know about how it works and how we got here:

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Jarrod Watts

@jarrodWattsDev

2 years

Chat GPT inside VS Code! Find bugs, add comments, explain code and more! (how to do it yourself in the next tweet)

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Jarrod Watts

@jarrodWattsDev

11 months

"Blast is just a 3/5 multisig..." I spent the past few days diving into the source code to see if this statement is actually true. Here's everything I learned:

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Jarrod Watts

@jarrodWattsDev

1 year

I spent the last week building a dApp on every ZK-EVM. I tested out Polygon, Linea, Scroll, Taiko, Era and more, documenting every step of the process. Here's everything I learned:

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Jarrod Watts

@jarrodWattsDev

1 year

I just fixed web3 onboarding... I created an app that has: ◆ No wallet requirement ◆ No transaction approvals ◆ No gas fees Powered by the new EIP-4337 account abstraction. Here's how:

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Jarrod Watts

@jarrodWattsDev

9 months

EigenLayer just crossed $1 billion in deposits. So, is restaking the future of Ethereum? Or just another overhyped narrative? I spent the past few days reading through the EigenLayer whitepaper & founder Sreeram's interviews. Here's everything I learned:

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Jarrod Watts

@jarrodWattsDev

1 year

We all know Layer 2s batch transactions together and send a single transaction back to Ethereum. But what *actually* gets posted to L1? I followed a transaction all the way from being submitted on Polygon zkEVM through to being part of a ZK proof on L1. Here's what I learned:

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Jarrod Watts

@jarrodWattsDev

4 months

Following a transaction from L2 -> L1:

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Jarrod Watts

@jarrodWattsDev

1 year

me today

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Jarrod Watts

@jarrodWattsDev

10 months

Polygon 🤝 Celestia Polygon just integrated Celestia as a data availability solution in the Polygon CDK. But what does that *actually* mean? Here's everything you need to know:

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Jarrod Watts

@jarrodWattsDev

10 months

Inscriptions are responsible for ~90% of transactions on many EVM chains this week. Is this just another crypto FAD? Or are inscriptions actually genius, and here to stay long-term? To find out, I spent the past few days exploring them. Here's everything I learned:

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Jarrod Watts

@jarrodWattsDev

1 year

Zero-knowledge proofs are powering the next wave of innovation in web3. I spent the past week reading hundreds of resources about: ◆ How ZK proofs work ◆ ZK-SNARKs & ZK-STARKs ◆ zkEVMs and Ethereum's ZK rollups Here's everything I learnt 🧵:

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Jarrod Watts

@jarrodWattsDev

1 year

Polygon has made a proposal to change its PoS chain to become a zkEVM validium. ◆ WTF is a validium? ◆ What's this mean for Polygon? ◆ How's this different from the zkEVM Rollup? Let's explain it in simple terms 👇

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Jarrod Watts

@jarrodWattsDev

2 years

Excited to announce the ULTIMATE guide to @LensProtocol 🌿 It's a 5-hour course on building a full social media app: - What Lens is and how it works - Sign in with Lens - Feed page - Profile pages - Create page - Following other users And much more! ⬇️

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Jarrod Watts

@jarrodWattsDev

9 months

EVM parallelization is the hottest new narrative. So, is it all hype? Or is innovating on the EVM something we'll continue to see throughout 2024? Here's everything you need to know:

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Jarrod Watts

@jarrodWattsDev

1 year

I'm excited to finally announce the launch of EVM Kit! A new way to create full-stack web3 applications, featuring: ◆ Support for all EVM chains ◆ Account abstraction, web2 logins, local wallets ◆ User auth & off-chain storage And so much more... →

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Jarrod Watts

@jarrodWattsDev

9 months

Ethereum L2s have now reached over $20B TVL. But users still have almost no way of performing cross-chain L2 transactions. I spent the past week reading about how different kinds of sequencers (and Polygon's AggLayer) are being built to solve this. Here's everything I learned:

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Jarrod Watts

@jarrodWattsDev

19 days

I built a keyless, gasless NFT mint on Abstract. - No private keys/seed phrases - No gas fees. - No alt mempool / smart contract wallets required. Just passkeys + native account abstraction.😎 Demo:

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Jarrod Watts

@jarrodWattsDev

2 years

The architecture of a web3 application. What did I miss?

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Jarrod Watts

@jarrodWattsDev

1 month

Today @AbstractChain announced Abstract Global Wallet. It combines the past few years of research on account abstraction into a seamless, secure onboarding experience. One account. No extensions, no seed phrase, no gas fees. Here's exactly how it works under the hood: 🧵

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Jarrod Watts

@jarrodWattsDev

1 year

bruh

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Jarrod Watts

@jarrodWattsDev

7 months

EIP-4844 is coming to Ethereum tomorrow. What does this mean for Polygon chains? Here’s what’s going to happen for Polygon enjoyoors: 1/ It’s coming to zkEVM in May While 4844 goes live on Ethereum tomorrow, it will be coming to Polygon zkEVM testnet in April, and is

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Jarrod Watts

@jarrodWattsDev

9 months

lmao the @berachain site says "Up Only", then makes you scroll up instead of down to view the content genius

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Jarrod Watts

@jarrodWattsDev

1 year

After ~4 months of learning at Polygon, I'm excited to finally drop a comprehensive guide to Polygon 2.0. It covers everything I know about Polygon 2.0: ◆ zkPoS & zkEVM ◆ CDK & the Interop Layer ◆ The POL Upgrade ◆ Miden, type 1/2 provers, plonky3 →

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Jarrod Watts

@jarrodWattsDev

2 years

How to create your own NFT Staking app in 17 tweets: In this thread, we'll create: - An ERC721 NFT contract - An ERC20 Token contract - A Staking contract to reward users with tokens for staking - A full web application to interact with them all! Let's do this 👇

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Jarrod Watts

@jarrodWattsDev

7 months

Rollups that are using blobs will not maintain this low level of fees for long. EIP-4844 introduces a fee market for blobs, meaning there is both a target and a maximum number of blobs in each block. Each block aims to include 8 blobs, with a maximum of 16 blobs per block. The

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Jarrod Watts

@jarrodWattsDev

24 days

I am super excited that we launched the YouTube channel this week for Abstract. I just posted 4 developer tutorials: ◆ Getting started with Abstract (Hardhat & Foundry) ◆ Building smart contract wallets (native AA) ◆ Building a paymaster contract →

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Jarrod Watts

@jarrodWattsDev

3 months

I'm excited to finally release my "ULTIMATE Guide to the Polygon CDK" tutorial. A 2-hour video covering: ◆ Concepts & architecture of layer 2 chains ◆ Intro to the Polygon Chain Development Kit ◆ How to build your own ZK-EVM L2 testnet →

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Jarrod Watts

@jarrodWattsDev

1 year

Personal update - I'm excited to share that I've joined @0xPolygonLabs as a dev rel engineer! I'm incredibly grateful for my time @thirdweb and the amazing people I got to work with; I'll still be their #1 fan moving forward. Time to learn Polygon 2.0🫡

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Jarrod Watts

@jarrodWattsDev

4 months

I built an open-source template and tutorial for integrating Coinbase Smart Wallet into a React app. It allows users to onboard to your app without wallet extensions, seed phrases, or gas fees. Demo below:

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Jarrod Watts

@jarrodWattsDev

1 year

Ethereum Twitter over the past 24 hours

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Jarrod Watts

@jarrodWattsDev

10 months

I’m seeing a lot of arguments between alt L1s and the ETH/L2 lately. So, here’s pretty much everything I know about scalability in one long unorganised rant… Ethereum is slow and expensive. For most (99%+) applications, it doesn’t make sense to use Ethereum as the chain of

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Jarrod Watts

@jarrodWattsDev

2 months

Excited to share I've joined @AbstractChain as a contributor to lead their developer relations initiative. I'll be working closely with @0xCygaar to help devs ship the next wave of consumer crypto apps onchain. Some thoughts on why Abstract below:

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Jarrod Watts

@jarrodWattsDev

2 months

Account abstraction is finally gaining the traction it deserves over the past few months. So, why not build it natively into the protocol? That's exactly what @AbstractChain is doing... and I spent the past week learning about it. Here's exactly how it works (a thread):

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Jarrod Watts

@jarrodWattsDev

5 months

Why are so many teams building infrastructure and seemingly so few teams building applications in crypto? Not trying to be cynical, just genuinely curious about if/why this is the case.

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Jarrod Watts

@jarrodWattsDev

4 months

If you're interested in building L2s, let's chat. I'll be shipping a lot of developer resources for the Polygon CDK over the next few months including new docs. I will also be yapping about CDK the whole week at ETH CC and running a CDK bounty at ETH Global Brussels. DM me!

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Jarrod Watts

@jarrodWattsDev

3 months

"Users don't care about ZK" The current UX:

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Jarrod Watts

@jarrodWattsDev

1 year

I just built Cash App on Polygon zkEVM in ~2 hours: ◆ Search for your friends via Lens Profile ◆ Send them ETH with tiny gas fees ◆ All with near-instant transaction speeds Demo + source code below:

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Jarrod Watts

@jarrodWattsDev

1 year

Zero-knowledge proofs are insane... 🤯 I just proved to this website that I'm above a certain age without providing any information about myself. (demo link in the tweet below)

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Jarrod Watts

@jarrodWattsDev

1 year

Just released a new video going in-depth into Polygon's new PoS proposal, plus a brief history of Ethereum's scaling solutions →

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Jarrod Watts

@jarrodWattsDev

10 months

"Not enough people are building web3 apps..." I just released a 100% free, open-source template for creating modern web3 apps. Including features such as: ◆ Sign up with Google/Apple/Facebook ◆ Lens Protocol integrations ◆ Built on a ZK L2 (Polygon zkEVM) Source ↓

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Jarrod Watts

@jarrodWattsDev

2 years

1) Install this VS Code extension made by @gencayali : 2) Add your OpenAI API Key to VS Code 3) Start asking questions!

ChatGPT [deprecated] - Visual Studio Marketplace

Extension for Visual Studio Code - Unofficial VS Code - ChatGPT integration

marketplace.visualstudio.com

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Jarrod Watts

@jarrodWattsDev

7 months

What happened with Polygon zkEVM over the weekend is a great discussion point for Layer 2 upgradeability. > There is an issue > zkEVM stops producing blocks > Security council sets emergency state to true (to bypass 10d wait period for upgrades) > Team fixes the issue via

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Jarrod Watts

@jarrodWattsDev

5 months

I introduce myself as the Head of Australia for Polygon now and hope the person doesn't ask how many people we have here

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Jarrod Watts

@jarrodWattsDev

1 month

Introducing: Abstract Examples Cloneable open-source starter templates for you to build on Abstract. I shipped 3 of them in the past few days and will be adding more over time! →

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Jarrod Watts

@jarrodWattsDev

1 year

I built another web3 onboarding demo... → Support for 10+ hot wallets → Social login with Magic Link → ERC4337 account abstraction smart wallets Demo video below:

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Jarrod Watts

@jarrodWattsDev

1 year

these new Ethereum rate limits are insane smh 🤦‍♂️

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Jarrod Watts

@jarrodWattsDev

2 years

Challenge accepted. Here's how you can create an NFT Drop on Polygon zkEVM in 3 minutes:

Crypto Texan | Aggregated

@Crypto_Texan

2 years

imagine being the first NFT project to deploy on @0xPolygon ’s zkEVM legendary, historic

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Jarrod Watts

@jarrodWattsDev

1 year

I'm excited to release a new video titled "The ULTIMATE Developers Guide To Polygon zkEVM". It's everything I know about Polygon zkEVM packaged up into ~1 hour, consisting of: ◆ 40mins: Polygon zkEVM theory ◆ 30mins: Building a full-stack zkEVM dApp →

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Jarrod Watts

@jarrodWattsDev

11 months

I posted this as a comment on Reddit, so I thought I might as well post it here too: Polygon 2.0 TLDR: 1/ PoS chain -> L2 ZK-EVM Validium. Type 1 prover. 2/ zkEVM chain: an L2 ZK-EVM Rollup. Type 2 prover. 3/ CDK chains: Modular, customizable "create your own" L2 ZK-EVMs in

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Jarrod Watts

@jarrodWattsDev

11 months

Blast is not an L2. The Blast smart contract: 1/ Accepts funds from users. 2/ Stakes users' funds into protocols like LIDO. There's no testnet, no transactions, no bridge, no rollup, and no sending of transaction data to Ethereum. It's not an L2. (13/24)

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Jarrod Watts

@jarrodWattsDev

2 years

Quick demo of a blogging platform I'm building using @LensProtocol and @thirdweb 🌿 - Write markdown posts to your Lens profile NFT - Personalized feed of blogs from creators you follow - Discover top writers on the Lens network 100% open-source (link in the tweet below)

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Jarrod Watts

@jarrodWattsDev

11 days

"What does dev rel actually do?" After ~3 years in dev rel and recently getting the opportunity to start from scratch in a new team, I decided to write up my thoughts on what dev rel teams *should* do and how to do dev rel effectively. Link:

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Jarrod Watts

@jarrodWattsDev

23 days

I built an open-source "how wallets work" demo... It covers: ◆ How seed phrases & key-pairs are generated ◆ How private keys can be sharded into pieces ◆ How wallets sign messages ◆ How EOAs can "own" smart contract wallets ◆ Minting an NFT from a smart contract wallet

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Jarrod Watts

@jarrodWattsDev

1 year

Polygon just proposed upgrading its token to add more utility, including a name change from "MATIC" to "POL". Here's everything you need to know as a builder, including: ◆ What's the proposal? ◆ Why's this happening? ◆ What's this mean for you? 🧵:

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Jarrod Watts

@jarrodWattsDev

2 years

Introducing the (opinionated) @LensProtocol Starter Kit, featuring: - Next.js - TypeScript - React Query - GraphQL + urql - thirdweb SDK Link and info below ⬇️

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Jarrod Watts

@jarrodWattsDev

4 months

Cooking with Coinbase Smart Wallet on Polygon

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Jarrod Watts

@jarrodWattsDev

11 months

This is actually insane to me lol... Blast has NO WAY to get your money back until: - A 3/5 multi-sig made up of strangers deploys a new contract - That contract has a function to withdraw your funds from it - They transfer all funds to that new contract 🤯 (15/24)

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Jarrod Watts

@jarrodWattsDev

1 year

I spent the past 4 weeks traveling to talk to web3 builders around the world. Quickly, I started to notice several trends pop up in what was being built. Here are the top 5 most interesting themes I noticed: 1/ Account abstraction We saw a tonne of hackathon projects being

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Jarrod Watts

@jarrodWattsDev

18 days

Shipped another blog on "How passkey wallets work". A quick 5-minute read on: ◆ The secp256k1 vs secp256r1 elliptic curve ◆ Intro to the Secure Enclave ◆ RIP-7212 precompile for gas savings ◆ Risks of using passkey wallets →

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Jarrod Watts

@jarrodWattsDev

1 year

Me after listening to the 37th panel about onboarding the next billion users into web3

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Jarrod Watts

@jarrodWattsDev

3 months

Working on probably my biggest tutorial ever... The video will show you how to ship your own fully customizable ZK-EVM Layer 2 testnet from scratch. Will be launching this alongside new Polygon CDK docs very soon, in time for our ETH CC bounty for hackers to play with👀

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Jarrod Watts

@jarrodWattsDev

5 months

Here's my submission for ETH Global Sydney 2024 🇦🇺 Using RIP-7212 + EIP-4337, I built a new kind of onboarding experience with Coinbase smart wallet. It combines high wallet storage security with: - No wallet extension - No storing of a seed phrase/mnemonic - No gas fees Demo:

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Jarrod Watts

@jarrodWattsDev

1 year

This update from Lens V2 is insane! Profile NFTs are now ERC-6551 Token Bound Accounts. Rather than your wallet executing all the actions and collecting all the tokens, it's all tied to your profile NFT.

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Jarrod Watts

@jarrodWattsDev

1 year

EIP-4337 account abstraction implemented in a simple Next.js application! ◆ Generate new smart contract wallets from a factory contract ◆ Execute transactions from a smart contract wallet ◆ Watch the UserOperations go through the full account abstraction flow

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Jarrod Watts

@jarrodWattsDev

11 months

If you enjoyed this kind of technical content: - Sharing the thread helps me out a lot with engagement - Follow me for more! (24/24)

Jarrod Watts

@jarrodWattsDev

11 months

"Blast is just a 3/5 multisig..." I spent the past few days diving into the source code to see if this statement is actually true. Here's everything I learned:

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Jarrod Watts

@jarrodWattsDev

1 year

Introducing... thirdweb templates! A set of open-source, web3 apps that you can plug your smart contracts into and launch. Featuring: ◆ Compatibility with all EVM chains ◆ Free infrastructure for RPC, IPFS, etc. ◆ Fully responsive + mobile friendly

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Jarrod Watts

@jarrodWattsDev

11 months

By sending money to the Blast contract, you're basically trusting 3-5 strangers to stake your funds for you. You won't be able to withdraw that money at any point in time unless those 3-5 people decide to do the right thing in the future. Again, there's no bridge here. (14/24)

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Jarrod Watts

@jarrodWattsDev

2 years

very excited to announce that i joined @thirdweb_ 🤠

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Jarrod Watts

@jarrodWattsDev

11 months

I just launched another video! "Build Your Own ZK-EVM Layer 2 Blockchain Using Polygon CDK"! Covering how to: ◆ Create and Deploy a ZK-EVM Validium L2 Chain ◆ Deploy a smart contract to the chain ◆ Build a web3 app on the chain →

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Jarrod Watts

@jarrodWattsDev

2 years

How I'm using AI to create my new portfolio site

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Jarrod Watts

@jarrodWattsDev

1 year

The future of web3 gaming has: ◆ No wallet connection flow ◆ No gas fees or transaction approvals ◆ No mention of "NFTs" or "tokenomics" A closer look at an example:

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Jarrod Watts

@jarrodWattsDev

11 months

The most underrated part of the OKX X1 announcement is this IMO. More engineers contributing directly to the open source CDK stack

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Jarrod Watts

@jarrodWattsDev

8 months

Arrived at ETH Denver 🇺🇸 Will be here all week and at the Polygon aggregation cave all next week talking about ZK and Polygon!

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Jarrod Watts

@jarrodWattsDev

19 days

I'm writing a series of blog posts on crypto wallets. I just published "What is a Wallet?" - diving into: ◆ How seed phrases are created ◆ How private keys are derived from seed phrases ◆ How ECC is used to derive public keys and sign transactions →

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Jarrod Watts

@jarrodWattsDev

9 months

Ethereum will always be the default choice when you want best-in-class security and decentralisation. Adding scalability to that unmatchable foundation is the end game.

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Jarrod Watts

@jarrodWattsDev

1 year

The future of web3 onboarding: ◆ No personal wallet required ◆ EOA & EIP-4337 smart wallet generated for you ◆ User has no idea they're using a web3 app Code and demo below 👇

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Jarrod Watts

@jarrodWattsDev

1 year

I’m officially an influencer now Thank you @dailydotdev for this epic gift 💝

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Jarrod Watts

@jarrodWattsDev

2 years

small personal win; my blog post is now the top search result for "account abstraction"

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Jarrod Watts

@jarrodWattsDev

11 months

The next biggest thing in Ethereum: EIP-7212. I just released a deep-dive video explaining this awesome Ethereum Improvement Proposal. It covers: ◆ What EIP-7212 & secp256r1 are ◆ How EIP-4337 and EIP-7212 can work together ◆ PIP-27 on Polygon →

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Jarrod Watts

@jarrodWattsDev

1 year

The upgraded Polygon token "POL" smart contracts are now live on Goerli testnet. I read through the code for the 3 smart contracts so you don't have to. Here's everything you need to know:

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Jarrod Watts

@jarrodWattsDev

2 years

I present to you the MEGA connect wallet button

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Jarrod Watts

@jarrodWattsDev

25 days

Developer experience (DX) is the single most important thing all developer tools (especially blockchains) should be optimizing for. A blockchain's target audience is developers. If your DX is bad, every other team suffers. If your DX is good, every other team benefits. Let's

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Jarrod Watts

@jarrodWattsDev

1 year

Just launched a demo app for wallet connect buttons. It showcases the full spectrum of wallet connection options available, including: ◆ Generated local wallets ◆ Phone number/email logins ◆ EIP-4337 account abstraction wallets Fully open source! →

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Jarrod Watts

@jarrodWattsDev

3 years

just copped some @_buildspace airpods

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Jarrod Watts

@jarrodWattsDev

1 year

Korea was incredible 🥲🇰🇷 It was my first solo trip and my first time ever doing an IRL presentation. I am so grateful to the ⁦ @0xPolygonLabs ⁩ for trusting me to teach this tech 💜

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Jarrod Watts

@jarrodWattsDev

1 year

Just released a new video! "The Polygon 2.0 Proposal Explained ($POL)" Link -> (this is my worst clickbait thumbnail yet lmao)

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Jarrod Watts

@jarrodWattsDev

4 months

@0xSydney smh

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Jarrod Watts

@jarrodWattsDev

2 years

I think I just made the GOAT setup for @LensProtocol ✅ Generated React Query hooks ✅ End-to-end type safety from API to frontend ✅ Automatically sends (and refreshes) your auth token along with requests Demo:

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Jarrod Watts

@jarrodWattsDev

1 year

Day 1 of Ethcon Korea 🇰🇷

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Jarrod Watts

@jarrodWattsDev

5 months

If you enjoyed this breakdown, the best way to support it is by engaging with the original tweet below to give it more visibility :) Consider following if you want to see more in the future!

Jarrod Watts

@jarrodWattsDev

5 months

Vitalik just proposed EIP-7702. It's one of the most impactful changes Ethereum is going to have... EVER. So, here's everything you need to know about how it works and how we got here:

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Jarrod Watts

@jarrodWattsDev

1 year

I strongly believe that wallets, as we know them today, will be heavily abstracted away from users in the near future. The barrier to entry when it comes to interacting with web3 apps is insanely high, involving KYC, purchasing & transferring of funds, gas fees, approvals, etc.

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Jarrod Watts

@jarrodWattsDev

1 month

I spent the past few days writing out new docs for Abstract. Really happy with how they are looking. It's not as flashy as other parts of dev rel, but almost every dev will go through your docs as their first resource after learning about your product. Gotta get them right.

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Jarrod Watts

@jarrodWattsDev

1 year

I just got back from the Polygon engineering team offsite, which was hosted in Dubai. I quickly became super interested in one product that you might not even know exists yet. The Polygon CDK. Here's why: 1/ We're quickly seeing Ethereum become the "proof storage" layer.

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Jarrod Watts

@jarrodWattsDev

1 year

For a more in-depth step-by-step tutorial, I just shipped a guide on how to create an application like this yourself:

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Jarrod Watts

@jarrodWattsDev

1 year

Just gave my talk “Building Full Stack Applications on the Polygon zkEVM” at ETHcon 🇰🇷 Here’s the 1 slide summary:

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Jarrod Watts

@jarrodWattsDev

5 months

Australia, but in a good time zone

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Jarrod Watts

@jarrodWattsDev

25 days

I help devs build I go to the gym Life is good

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Jarrod Watts

@jarrodWattsDev

2 months

I spent much of my first week at Abstract experimenting and learning the tech... The most interesting thing so far is that there are no EOAs on Abstract, only smart contracts. You can still use an EOA wallet, but it gets "converted" to a contract under the hood. Thread soon™

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