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Creating Your Own ERC-721 NFT: A Step-by-Step Guide using NFT.Storage & Remix IDE

Non-Fungible Tokens, or NFTs, are controlled by a standard on-chain smart contract called ERC-721. Typically, an on-chain ERC-721 contract generates token IDs by associating each token ID with a URL…

February 24, 2023
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What is Chainlink and Why Smart Contract Developers Should Use It

Smart contracts are pieces of software living on the blockchain, isolated from the external off-chain world – unlike Web2 applications, they cannot make HTTP requests to directly fetch data from…

January 9, 2023
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Why You Should Use OpenZeppelin’s Ownable Contract When Developing Web3 Dapps

When designing your web application, whether a Web2 app or a Web3 Dapp, restricting undesired access to crucial functionalities by configuring user access control and permission keeps these products safe.…

January 5, 2023
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How To Create A Smart Contract: The Ultimate Guide (2022)

Smart contracts and their derivatives are essential components of the Web3 space – for businesses offering a product powered by Ethereum, knowing how to create a smart contract will be…

November 3, 2022
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How the Wrong Visibility Modifiers Can Lead to Security Breaches in a Solidity Smart Contract

Smart Contracts refer to immutable pieces of code that live on the Ethereum blockchain. Once you deploy a contract, you cannot update it to fix a security breach – so…

September 1, 2022
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How to Setup CodePipeline and CodeBuild to Deploy a ReactJS App to AWS S3 and CloudFront

At Blue Label Labs, we use ReactJS as our primary tool for building modern web apps and generally host them on Amazon Web Services. The neat thing about a ReactJS…

September 1, 2022
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How to Secure a Smart Contract through Solidity Visibility Modifiers?

In programming, modifiers are keywords that enable you to restrict access to a piece of code, be it a class, function or other data construct.  Though there are several programming…

August 8, 2022
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How To Generate Apple Distribution Certificates & Provisioning Profiles

Apple does a lot of things right in their app development experience, but when it comes to application signing and distribution, the Apple developer experience has been a confusing mess…

April 15, 2022
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How To Find A Developer To Build Your App In 2022

Finding a developer to build your app in 2022 is a broad idea that ultimately requires a collection of different skillsets relative to the scope of a project. Every app…

April 7, 2022
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The Best Way to Prioritize Tasks For App Development

Updated on 02/15/22 If you are about to embark on a mobile project, get ready to hear the term “prioritization” thrown at you endlessly – if you’re new to digital…

February 15, 2022
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How To Modify Crowdsale & MintedCrowdsale Solidity Contracts To Work With OpenZeppelin 4.0

Like many other Ethereum developers, the developers at Blue Label Labs‘ fledgling Ethereum development division have come to rely on OpenZeppelin extensively in most of our ERC-20  and ERC-721 development.…

February 10, 2022
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How To Setup Bitrise To Build And Upload A React Native App To Apple App Store Connect

At Blue Label Labs, we have standardized our mobile app development to use React Native for both Android and iOS builds. As part of our build workflow, we leverage Bitrise…

February 1, 2022
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How To Connect The Remix IDE To Hardhat For Ethereum Contract Development

The web-based Remix IDE is the go-to development editor for those looking to develop and test remix Ethereum contracts. However, while Remix is an excellent tool for developing Ethereum contracts,…

January 18, 2022
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How To Fix A Broken Celigo Real-Time Data Flow From Salesforce

A frustrating issue that I’ve run into with using the Celigo iPaaS tool for syncing data from Salesforce to a Postgres database is that sometimes the real-time data flow from…

December 7, 2021
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Part III: Setting Up AWS CodeDeploy/CodePipeline to Automate the Deployment of a Node Web Service

This Part 3 of a 3-part series that walks through the steps of using Amazon CodePipeline and CodeDeploy to automate the deployment of a Node based web service to an…

November 24, 2021
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Part II: Setting Up AWS CodeDeploy/CodePipeline to Automate the Deployment of a Node Web Service

This Part 2 of a 3-part series that walks through the steps of using Amazon CodePipeline and CodeDeploy to automate the deployment of a Node-based web service to an EC2…

November 24, 2021
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Part I: Setting Up AWS CodeDeploy/CodePipeline to Automate the Deployment of a Node Web Service

At Blue Label Labs, we build a lot of apps! For many of those apps, we use Node to build out JSON-based web services that provide backend functionality to these…

November 24, 2021
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How To Automate Backups of MySQL & Postgres Databases To An Amazon S3 Bucket

An important part of proper disaster recovery and preparation processes is the automatic creation of backups of production databases. As a digital agency, we develop a number of different iPhone,…

November 5, 2021
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How to Export the Schema of a SQL Server / MySQL / Postgres / Oracle Database to a CSV File

As a digital agency focused on app development, we often find ourselves inheriting projects that other developers started from which we need to first analyze and understand the schema of…

October 13, 2021
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How To Setup Automatic Audit Logging In Postgres Using Triggers and Trigger Functions

An important, but often overlooked, concept when building an app or new software service is that of auditing. Auditing in this context refers to maintaining a reliable and complete log…

October 4, 2021

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