
Solidity design patterns are a critical component of smart contract development, enabling developers to create robust, efficient, and secure decentralized applications. "Solidity Design Patterns - Best Practices & Techniques for Developing Smart Contracts" is a comprehensive ebook available on Amazon that delves into the various design patterns used in Solidity smart contract development.

The ebook provides a detailed explanation of popular design patterns like the Security, Gas Optimisation, Proxy, and many more. It also covers the latest design patterns used in the development of decentralized finance (DeFi) applications. The ebook provides a step-by-step guide to help developers understand and implement these patterns to create high-quality smart contracts.

With Solidity design patterns, developers can create reusable code, minimize errors, and make their smart contracts more secure.The ebook provides practical examples, code snippets, and diagrams to help readers understand and implement these patterns in their projects.

Whether you are a beginner or an experienced developer, "Solidity Design Patterns - Best Practices & Techniques for Developing Smart Contracts" is an essential resource that provides a comprehensive guide to developing high-quality smart contracts. With the latest design patterns and best practices, this ebook is a must-have for anyone looking to excel in smart contract development. Get your copy today on Amazon and start building better smart contracts!


An Essential guide to developing Smart contract on Ethereum with Solidity Design Patterns.Solidity design patterns are a critical component of smart contract development, enabling developers to create robust, efficient, and secure decentralized applications.

Solidity Design Patterns

ERC-404 is a new token standard combining features of ERC-20 and ERC-721, allowing tokens to be both divisible and unique. It enables the creation of tokens with native liquidity and fractionalization opening new possibilities for asset representation and interoperability within the Ethereum ecosystem.

A Deep Dive into ERC-404 Token Standard and Crafting your Custom Token

The digital landscape is a whirlwind of constant evolution, demanding ever-more agile and efficient approaches to ensure software quality and functionality. While manual testing methods served their purpose, they increasingly struggle to keep pace with the rapid development cycles of today. In response, a groundbreaking paradigm is emerging: ACTE (Automated and Continuous Testing Engine).

ACTE: Revolutionizing Testing in the Digital Age

EIP-6672 introduces an extension to ERC-721 standard, with an added feature of the creation of Multi-Redeemable NFTs. Learn how these tokens enable redemption in multiple scenarios, expanding the utility of NFTs.

A Comprehensive Guide to ERC-6672: Multi-Redeemable NFTs

Modular smart contract systems allow for the creating of flexible and scalable decentralized applications (DApps) on blockchain platforms like Ethereum. ERC-2535 supports creating modular smart contracts enabling developers to extend and upgrade functionalities even after deployment.

A Hands-On Guide to Modular Smart Contracts with Diamond Standard (EIP2535)

A honeypot is a trap set to detect hackers. Reentrancy attack is one of the vulnerabilities that affects decentralized systems badly. To combat such threats, developers employ techniques like honeypots. It functions by luring potential attackers into revealing their tactics so that developers get valuable insights for improving security measures.

A Practical Guide on Honeypot Attacks in Smart Contracts


Libraries are similar to smart contracts, but, typically, are only deployed once. Their code is reused by taking advantage of delegatecall(). This means that the context of the code is executed in the calling contract. The library functions will not be explicitly visible in the inheritance hierarchy. The use of delegatecall() can allow us to access state variables from our calling smart contract. However, since libraries are an isolated piece of code, you must supply the state variables for the library to access them.

In this article we will look at how the EVM interprets libraries, and walk through an example of how to create one.

Deep Dive Into Solidity Libraries

Protocols that are meant to work with ERC20 tokens can face a number of different issues that at first glance aren't that obvious.

ERC20 Weirdness & Attacks Part 1

SSX is a library that enables you to easily add user authentication, session management, and more to your dapp.

Getting started with SSX


Sign-In with Ethereum is a game-changer for user choice on the Internet.

Instead of submitting to "Big Login," users can now login using the same keys controlling their blockchain accounts--without an intermediary. This approach has the promise but not guarantee to rebalance power dynamics in favor of the user. With Sign-In with Ethereum, we open a path where large corporations can no longer strip a user's ability to access services nor spy on their actions.

Sign-In with Ethereum is an open standard for authentication developed entirely in the open, informed through public discourse with community members across dapps, apps, wallets, security firms, and far more. You can find all the meeting recordings and notes on login.xyz. This approach is a far cry from the closed development of proprietary identity systems found in tech giants or government vendors, rightfully protested by privacy and digital rights advocates.

In contrast, Sign-In with Ethereum (EIP-4361) defines an open creative commons (CC) signing format for Ethereum accounts to securely authenticate with any web-based services. It was built by the community with direct support from the Ethereum Foundation and ENS, with Spruce tapped to lead the charge late last year. I'm excited to discuss the significance of Sign-In with Ethereum, and how it is so much more than "Connect Wallet" for all builders in Web3.

Sign-In with Ethereum is a game-changer for user choice on the Internet. Instead of submitting to 'Big Login' users can now login using the same keys controlling their blockchain accounts--without an intermediary.

Why Sign-In with Ethereum is a Game-Changer


Search, upload, download, deploy, manage, and integrate any Solidity smart contract into your app. We support any workflow. You can download source code, or deploy with our UI, it's up to you!

Use Cookbook to find smart contracts, solidity libraries, and web3 resources

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