How to store your NFT metadata

I will be addressing these issues in this article. More specifically, we will show you how to: Upload Images to…

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Solidity Security Part 4- Timestamp Dependence

It’s not uncommon to write a contract in Solidity that only allows certain actions to be performed within specific time…

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Solidity Security Part 3 – Frontrunning

Since all transactions are visible in the mempool for a short while before being executed, observers of the network can…

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Getting Started With Tenderly for Blockchain Development

Overview First things first, we need to get your Smart Contracts into Tenderly to use all of the timesaving features…

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How to do Upgradable smart contracts using OpenZeppelin

An Upgradable contract is a contract that can be (kind of) altered, after the deployment. At the time this article…

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Getting Started With Anchor For Solana

1. Installing Rust, Solana, Yarn and Anchor Start by installing all the dependencies. We’re gonna use Anchor which is a…

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Rust Interview Questions

Is Rust Garbage Collected? No! One of Rust’s key innovations is guaranteeing memory safety without requiring garbage collection. How do…

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Solidity Security Part 2 – Oracle Manipulation

Protocols sometimes require additional information from outside the realm of the blockchain to function correctly. Such off-chain information is provided…

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Solidity Security Part 1 – Reentrancy Attack

One of the major dangers of calling external contracts is that they can take over the control flow, and make…

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An Introduction to Celo Blockchain

Introducing Celo’s Technology Celo is a blockchain ecosystem focused on increasing cryptocurrency adoption among smartphone users. By using phone numbers…

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