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RareSkills has released a free and comprehensive introduction to Solidity for experienced programmers. Although there are many resources for the...
Here is a minimal (copy and paste) example of how to safely create and verify ECDSA signatures with OpenZeppelin in the Foundry environment. Contract:...
What makes blockchain immutable? Note: This article is intended to be understandable by non-technical readers, to gain a very technical understanding,...
How gasleft() is used in production smart contracts · Introduction The purpose of this article is to describe the behavior of the solidity gasleft()...
Improving smart contract gas fees This article lists 9 of the most expensive Ethereum operations. If you are looking to increase the gas efficiency of...
Randomness is tricky on the blockchain because the blockchain is deterministic, but randomness requires non-determinism (otherwise it becomes...
