How gas fees work on blockchain networks and why they are important (with examples)


Building an ERC-721 token on Ethereum with Solidity, Truffle, IPFS, and Pinata


Building integrated smart contracts on Ethereum with web3.js, Node.js, and Ganache


Building a smart contract on Ethereum with web3.js, Node.js, and Ganache


Decentralized application with Node.js, web3.js, Solidity, and Ganache


Full stack application with Node.js, Express, MongoDB, and React.js


Adding authentication and access management with JSON Web Tokens and bcrypt password hashing


Full stack application with Node.js, Express, MongoDB, and React.js


Implement authentication and authorization with Flask-Security


Build a modular Flask application using Jinja and templates

Colin Kraczkowsky

Problem solver wielding JavaScript and Python as my tools. Builder of RESTful web services and progressive web applications. Scholar of the newly possible.

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