Tag: blockchain

Node API Layer

Interact with smart contracts via React and a Node.js API


What if your users could use your DApp to interact with smart contracts immediately, instead of having to install the required third-party extensions?

Zafar Saleem
Jan 28, 2022 ⋅ 7 min read

How to build a Solana Discord wallet with Python


Create a Discord bot that can create a new Solana wallet, send and receive SOL, and check your balance with this in-depth tutorial.

Carlos Mucuho
Jan 27, 2022 ⋅ 19 min read
Create your own Oracle with an Ethereum smart contract

Create your own oracle with an Ethereum smart contract


Learn how to build an Oracle, which helps connect blockchains to external systems and enable access to data from off-chain systems.

David Ekanem
Jan 27, 2022 ⋅ 7 min read
Building Secure Smart Contracts OpenZeppelin

Building secure smart contracts with OpenZeppelin


Use OpenZeppelin Contracts and the Truffle framework to build and test secure smart contracts for ERC20 and ERC721 tokens. We also demo building ERC1155 contracts on the Remix IDE.

Ikeh Akinyemi
Jan 27, 2022 ⋅ 5 min read
Flow Ethereum Blockchain NFTS

Ethereum vs. Flow blockchain for NFT development


Introduced when the Ethereum network was clogged by the CryptoKitties game, Flow aimed to create a blockchain platform to accommodate billions of users on its DApps.

Frank Joseph
Jan 26, 2022 ⋅ 6 min read
How to Mint an NFT With Etherscan

How to mint an NFT with Etherscan


In this tutorial, we’ll be minting an NFT from a smart contract on Etherscan. We’ll use the mint function to mint NFTs directly using Etherscan interfaces.

Ikeh Akinyemi
Jan 25, 2022 ⋅ 2 min read

Ethereum vs. Harmony: Which blockchain is right for you?


Learn about the benefits and drawbacks of the popular Ethereum or new and performant Harmony blockchains to determine which is best for you.

Boemo Mmopelwa
Jan 25, 2022 ⋅ 6 min read
Factory Pattern: The Right Way To Create Multiple Instances Of Your Solidity Smart Contract

Cloning Solidity smart contracts using the factory pattern


Learn about the different types of factory patterns in Solidity and the benefits of using them, such as to save on gas fees associated with multiple contract deployments.

Emmanuel John
Jan 25, 2022 ⋅ 5 min read
How To Create And Deploy A BEP20 Token To The Binance Smart Chain

How to create and deploy a BEP-20 token to the Binance smart chain


BEP-20 is the token standard of the Binance Smart Chain (BSC). Learn how to code a BEP-20 token, deploy it to the Binance Smart Chain testnet using Remix, and import the deployed token into MetaMask.

Ovie Okeh
Jan 24, 2022 ⋅ 7 min read

Debugging Ethereum transactions in the Remix IDE


Quickly and easily debug Ethereum smart contracts in the Remix IDE with this comprehensive tutorial.

Atharva Deosthale
Jan 21, 2022 ⋅ 4 min read
Developing Terra Smart Contracts

Developing Terra smart contracts


Learn how to can develop smart contracts and deploy them to the Terra blockchain network to create decentralized apps.

Victor Jonah
Jan 3, 2022 ⋅ 8 min read
Substrate Blockchain Development: Core Concepts

Substrate blockchain development: Core concepts


Explore key concepts about the Substrate blockchain framework that are important to understand before you build your own blockchain with consensus engines and customizable runtimes.

Mario Zupan
Dec 31, 2021 ⋅ 10 min read