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This is probably the default account #0 from Hardhat: 0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266
gpt5 generated a test private key for my project that has enough funds in prod for me to lunch very well in brazil 😂
A betrayed blockchain expert becomes the ultimate insider threat. Who truly holds the power, the architects of the system, or those who can break it? Explore the dark side of Defi with this new work of fiction by Rekt News. rekt.news/talesfromchain…
A crack team of 40 white hat hackers, led by @samczsun, and called SEAL 911, is taking on the hackers in real time. Via @CointelegraphZN, Author: @maxparasol cointelegraph.com/magazine/seal-…
cointelegraph.com
‘SEAL 911’ team of white hats formed to fight crypto hacks in real time
Projects under attack can hire the SEAL team of white hat hackers to combat exploits — but only after signing on the dotted line.
We are now 2 days away from Ethereum's Dencun upgrade, the largest fork since the Merge. Here's a summary of the biggest changes in Dencun and how they'll affect you 🧵:
Executing whitehacks is hard also for security professionals 🤖 But there are three important rules: - test and don't change before execution - execute in a single tx - execute privately ( reorg 🤞) Here a starter foundry repo 🫡 github.com/emilianobonass…
Hey, this checklist is pretty cool! You can totally use it when you’re going through audit reports or even creating new things. github.com/transmissions1…
CREATE2 opcode usage potential issues/attack vectors: - deployment griefing by front-running with same `salt` param - selfdestruct opcode leads to a "metamorphic" contract - not checking if the returned value is not the zero address (failed deployment) What else?
I just contributed to the 🕯️ KZG Ceremony 🕯️ using 0xddf…5d20 to help scale Ethereum ↓ Add your own randomness ↓ ceremony.ethereum.org
Next up: Storage Structs (aka "explicit storage buckets," "Diamond storage," "unstructured storage"). A pattern for preventing layout collisions in upgradeable contracts, seen recently in @radicle Drips and @AstariaXYZ. mirror.xyz/horsefacts.eth…
mirror.xyz
Seen on C4: Storage Structs
Using a "storage struct" to prevent layout collisions in upgradeable contracts.
(1/13) Introducing: Inevitable Ethereum A new wiki-style site dedicated to @ethereum, the World Computer. History, finance, computer science, elliptic curve cryptography... everything needed to see the future. To see what I see: Ethereum is inevitable. inevitableeth.com
🔥⚒️ PRBMath V3 is live 🔥⚒️ This is the most significant iteration on my Solidity library for advanced fixed-point math. What's new: - User defined value types SD59x18 and UD60x18 - Free functions - Migration to Foundry - Various optimizations 1/7 github.com/paulrberg/prb-…
For doing your best in any job role, you need to have the right mindset for that job. My blog post on @viamirror "A White hat hacker mindset: From the eyes of a Smart Contract Auditor" discusses 5 key mindsets for a smart contract auditor. mirror.xyz/shanzson.eth/j… #web3
if you inspect a transaction which calls an unverified contract, you'll get a best-effort recovery of the original function parameters. works as long as the contract uses the standard abi. no more hand-deciphering calldata!
Immunefi is proud to present the Web3 Security Library, which aims to be the go-to resource for Web3 security. You can access the repository here: github.com/immunefi-team/… Keep an eye on the repository as we will regularly update it with new resources 📚
github.com
GitHub - immunefi-team/Web3-Security-Library: Information about web3 security and programming...
Information about web3 security and programming tutorials/tools - immunefi-team/Web3-Security-Library
A cross-chain CREATE2 factory is deployed at address 0x4e59b44847b379578588920cA78FbF26c0B4956C on more than 20 blockchains (mainnets and testnets)
Together with @toxzique we've deployed @nicksdjohnson's CREATE2 factory on avax and fuji. Now anyone can create contracts with the same address across all networks! avax disallows sending our deploy tx by default, so had to run a node with a modified config
These two ways of transferring ETH below are functionally identical - but there can be surprising difference in gas usage. In fact the call() version can pay approximately three times more in extra gas per 32 bytes of data returned! 1/5
A tool to read EVM storage data - including mappings, arrays and upgradeable proxies
Shedding smart contract storage with Slither blog.trailofbits.com/2022/07/28/she…
Do you know what happens when you send 1 DAI ? I don’t think you really do. I spent weeks seeking for the truth in Ethereum’s depths. Leaving all previous assumptions behind. And I'm sharing this incredible learning journey with you👇 notonlyowner.com/learn/what-hap…
Why an immutability in a blockchain system is a double-edged sword?🗡️ Shouldn't the smart contracts stay as they are? But what if there is a bug?🐛 In the following 🧵I will explain the following • Why we need upgradability? • What are the proxies? • What is a DELEGATECALL?
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