Welcome to my World

Hi, I’m Michał Mirończuk

Blockchain Developer.

based in Sweden and Poland.

About Me

My name is Michał Mirończuk. My knowledge is based not only on academic education but also on my professional experience gained during work. I bring a range of skills from software development, blockchain integration, web applications to prototyping. I focus on creating rich seamless relationship between the product and the user. I am always looking for creative projects which make me a seeker for innovative ideas.

  • Blockchain integration - Development
    Ethereum smart contracts, wallets, tokenization
  • User experience design - UI/UX
    Innovative user interface design with SEO optimalization
  • Interaction design - DevOps
    Include agile planning, continuous integration, continuous delivery, and monitoring of applications.

Awesome Service

Services which I am offering focus on Blockchain but also will embrace fully implemented application with your unique features.

Crypto payments

Enter crypto payments into your own business to expand the quantity of future clients.

Consortium Blockchain

By nature, they are better suited for few companies that want to use the features of blockchain without publicly sharing data on the web. Based on group of equally strong participants of the network, functioning as a block validators.

Decentralized Applications

DApps drive their own business through a tokenized system and logic based on smart contracts

Smart Contracts

Transferring business logic to blockchain thanks to smart contracts. What does it mean? If the functions represent business actions, e.g. buying a ticket, winning the lottery or voting at the general meeting, then we have fully transparent, undeniable system.

SEO Optimalization

Search Engine Optimization is about helping search engines understand and present content.


New form of business digitization based on decentralized Blockchain technology. It consists in creating tokens and strictly assigning them to a given company, specific project or person

Latest News

There is a well known old Latin principle “The best way to learn something is to teach it”.
That's why I decided to create a blog.


  • Amazon Web Services
  • Docker
  • Ethereum
  • Gatsbyjs
  • Graphql
  • Hyperledger
  • MongoDB
  • NestJS
  • Openzeppelin
  • React
  • Truffle

Hire Me.

I am available for freelance work. Connect with me via email: hire@blocksism.com or using contact form below