Doubling Down on Open Source Tools and Phasing Out Defender

OpenZeppelin is doubling down on open source development tools by sunsetting Defender and releasing production-ready open source Relayer and Monitor. Discover new features, and our expanded open ...

Smart contract development is still in its early days. We’re all still trying to figure out what it...

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Few applications need blockchains. Distributed consensus makes each computational step very...

Security Insights

In the last article, we noticed that the runtime bytecode generated by the Solidity compiler...

Security Insights

The function body is precisely what the function wrappers detour to, after unpacking the incoming...

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We saw how the function selector acts as a hub or a switch of sorts in our BasicToken.sol contract....

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The Transaction Permission Layer protocol (TPL) is a method for assigning metadata (herein referred...

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William Hinman’s recent statements at the Yahoo Finance All Markets Summit provide some guidance...

Security Insights

In the prev. article, we identified the need to separate a contract’s bytecode into creation-time...

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ZeppelinOS is all about making the technology of upgradeability into an accessible and frictionless...

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Let’s get started by attacking the disassembled gibberish of our contract with our...

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You’re on the road, driving fast in your rare, fully restored 1969 Mustang Mach 1. The sunlight...

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Blockchains are immutable, and Ethereum is no exception. Ethereum has a rich smart contracts...

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