Install Ethereum Wallet
If you don’t have a clue about what is Ethereum or a smart contract, you
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Read the guide →Ethereum developer guides — page 5
Browse the complete Ethereumdev tutorial archive.
Hack Money, a Virtual Hackathon to Build DeFi Applications
A lot of hackers are stuck at home during the COVID-19 epidemy and ETHGlobal will make sure
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Read the guide →APIs and Services Every Ethereum Developer Should Know
Discover the APIs and service that will help you get data and build on top
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Read the guide →Reading Chainlink Price Oracles from JavaScript
A common problem you may face in Ethereum programming is getting a price feed of
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Read the guide →NFT20: How to Simply Trade NFTs in JS
NFT20 is a platform that enables buying and selling NFTs in one click on Ethereum and
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Read the guide →Handling Users with Mapping: A Simple Lottery Example
In the previous tutorials we learnt the basics of smart contracts programming. It is now
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Read the guide →Ethereum Smart Contracts Lifecycle
In the previous article we saw how to deploy our first smart contract to the
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Read the guide →Safemath to Protect From Overflows
Considering security is a big part of writing good Ethereum smart contracts. A common problem when
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Read the guide →Inheritance in Solidity
We already explored a lot of subjects and while writing our contracts we found out
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Read the guide →Getting Data From the Internet with Oraclize
Smart contracts can interact with data living in the blockchain but it is impossible to
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Read the guide →Manage Several Contracts with Factories
We wrote a small contract for counting as a Hello World. What if we could create
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Read the guide →ArchiveNode.io Offers Free Ethereum Archival Node
Your project might require access to the Ethereum history. While Infura and similar node providers
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Read the guide →