4Blocks Software Labs

BACKGROUND

Please describe your company and position.

I am the Founder of Chrostek Enterprises, LLC

Describe what your company does in a single sentence.

A media provenance platform, using blockchain backed camera apps to mint NFTs of raw image and video captures. 

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire 4Blocks Software Labs to accomplish?

• Build web and mobile apps
• Write applicable Smart Contracts
• Operate with user security

SOLUTION

How did you find 4Blocks Software Labs?

Referral

Why did you select 4Blocks Software Labs over others?

• Great culture fit
• Company values aligned

Describe the scope of work in detail. Please include a summary of key deliverables.

I contracted 4Blocks at the start of the year with a blockchain project that I wanted to develop, and it has been on schedule and as smooth sailing as possible. 
The work involved development in many aspects: mobile apps, web app, fiat & blockchain payments, database & operation, as well as multipe Smart Contracts to operate the minting of NFTs and make sure the platform is operating securely. Design aspects were executed to what I was looking for, and the front end overall looks very well done and professional. 

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

The best outcome is that the project that I had a vision for, but lacking for in skills was developed into the platform that operates and looks as I had hoped. I have progressed from idea to business, and absolutely see everything so far as successful or leading to success. 

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Project Management was excellent, no problems with delivery, and my needs were achieved and exceeded on multiple occasions. Good communication skills and incredible dedication made a continental time zone difference a non-issue. The project moved along as smooth as possible, delivering milestones on time as well as assisting me in areas I was lacking. 

What was your primary form of communication with 4Blocks Software Labs?

Email or Messaging App

What did you find most impressive or unique about this company?

The most impressive thing about 4Blocks Software Labs is their incredible dedication to their work. Working tireless hours around the clock to make sure goals were met and were met accurately. 4Blocks understood my goals and went to work, and never looked back, making consistent progress with hard work and dedication. 

Are there any areas for improvement or something 4Blocks Software Labs could have done differently?

I have no real complaints, maybe could try to look ahead for unexpected development costs and work them into the up front pricing for a new feature or phase.  

BACKGROUND

Introduce your business and what you do there.

I'm the entrepreneur of LMT. We're specialists in the sale of high-quality fixtures, doors, windows, and gates.

OPPORTUNITY / CHALLENGE

What challenge were you trying to address with 4Blocks Software Labs?

We needed support to build our website, develop our branding, create a catalog, and design an internal management software system to handle client orders, send notifications, track shipping, and manage inventory.

SOLUTION

What was the scope of their involvement?

4Blocks Software Labs developed a custom software solution from scratch. The team was also responsible for API development, DevOps managed services, web development, and UI/UX design.

What is the team composition?

We worked with 2–5 teammates from 4Blocks Software Labs.

How did you come to work with 4Blocks Software Labs?

Online search

How much have you invested with them?

We spent more than €100,000 with them.

What is the status of this engagement?

We worked together from April to September 2025.

RESULTS & FEEDBACK

What evidence can you share that demonstrates the impact of the engagement?

4Blocks Software Labs delivered a website, catalog, logo, branding, and management software. The team was highly efficient and consistently adapted to our needs and any changes that arose. Moreover, the management and tracking portal saved us 70%–80% of the costs we had, allowing us to focus on our work rather than on management. Overall, the team met all deadlines and delivered the project on time.

How did 4Blocks Software Labs perform from a project management standpoint?

4Blocks Software Labs delivered 30% sooner than agreed. We communicated via in-person meetings, virtual meetings, and emails or messaging apps.

What did you find most impressive about them?

What impressed us most about 4Blocks Software Labs was their exceptional attention to detail and the founder's hands-on involvement in communication. Mirko was a pleasure to work with — he was extremely precise, reliable, and always available when needed. Their combination of technical expertise, responsiveness, and personal dedication made the whole experience truly outstanding.

Are there any areas they could improve?

There's nothing they could have improved on — they were perfect.

BACKGROUND

Please describe your company and position.

I am the Ceo mprenditore of MyCommerce

Describe what your company does in a single sentence.

We transform physical businesses into digital ones.

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire 4Blocks to accomplish?

• Design and develop a blockchain-based e-commerce platform.

SOLUTION

How did you find 4Blocks?

• Referral
• Other

Why did you select 4Blocks over others?

• High ratings
• Close to my geographic location
• Pricing fit our budget
• Great culture fit
• Good value for cost
• Referred to me
• Company values aligned

Describe the scope of work in detail. Please include a summary of key deliverables.

Scope of Work: Blockchain-Based E-Commerce Platform:

1. Platform Development:

   - Design and develop a scalable, user-friendly blockchain-based e-commerce platform for buyers and sellers.  

   - Implement smart contracts to automate transactions, ensure trust, and eliminate intermediaries.  

   - Create a tokenized payment system to enable cryptocurrency payments alongside traditional payment options.  

   - Develop a wallet integration for users to store and manage tokens securely.  

2. Core Features:

   - Decentralized Marketplace:  

     - Allow sellers to list products and services with smart contract-based purchase agreements.  

     - Provide a transparent and tamper-proof review system for products and sellers.  

   - Tokenized Rewards System:  

     - Reward users (buyers and sellers) with platform tokens for specific actions (e.g., making purchases, leaving reviews).  

     - Tokens can be used for discounts, platform fees, or staking.  

   - Supply Chain Tracking:  

     - Integrate blockchain to provide end-to-end transparency in supply chain management, allowing buyers to verify the origin and authenticity of products.  

   - User Dashboard:  

     - Buyer dashboard: View order history, rewards, and payment details.  

     - Seller dashboard: Manage listings, view sales data, and withdraw earnings.  

3. Security and Compliance:

   - Implement robust security measures to protect user data and transactions, including encryption, multi-signature wallets, and two-factor authentication (2FA).  

   - Ensure compliance with relevant regulations, such as GDPR and AML/KYC requirements, by integrating identity verification systems.  

4. Web3 Integration:

   - Provide Web3 functionality to allow users to connect decentralized wallets (e.g., MetaMask) for seamless interaction with the blockchain.  

5. Admin Panel:

   - Build an admin panel for platform management, including user support, content moderation, dispute resolution, and analytics.  

6. Testing and Quality Assurance:

   - Conduct thorough testing to ensure platform security, scalability, and usability.  

   - Perform smart contract audits to eliminate vulnerabilities.  

7. Deployment and Maintenance:

   - Deploy the platform on a chosen blockchain network (e.g., Ethereum, Binance Smart Chain, or Polygon).  

   - Offer post-launch support, including bug fixes, updates, and feature enhancements.  

Key Deliverables:

1. Blockchain Infrastructure:

   - Smart contracts for transactions, rewards, and supply chain tracking.  

   - Tokenomics design for platform tokens (if applicable).  

2. E-Commerce Platform:  

   - Fully functional marketplace with buyer and seller functionalities.  

   - Responsive user interface (UI) and user experience (UX) design.  

   - Integrated payment gateway for crypto and fiat currencies.  

3. Web3 Integration:  

   - Decentralized wallet support and connection for transactions.  

4. Security Features:  

   - Encrypted data storage and multi-layer security systems.  

   - Identity verification system for regulatory compliance.  

5. Admin Panel: 

   - Tools for managing the marketplace, users, and disputes.  

6. Documentation  

   - User guide and training materials for buyers, sellers, and admins.  

   - Technical documentation for platform management and future development.  

7. Testing and Deployment:  

   - Completed platform, tested and deployed on a production environment.  

   - Audit reports for smart contracts and platform security.  

8. Support:  

   - Ongoing technical support and updates for a specified post-launch period.

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

Measurable Development Deliverables:  

1. Consulting and Project Understanding  

2. Smart Contract Development  

3. Smart Contract Testing  

4. UI/UX Design in Figma  

5. UI Implementation in React  

6. Server Configuration with CI/CD Setup on GitHub  

7. Smart Contract Integration with the UI

From the initial consultation to the final deliverables, they maintained a high standard of professionalism and excellence. Their ability to understand the project’s vision and translate it into tangible outcomes was remarkable. The deliverables were not only completed on time but also exceeded expectations in terms of functionality, design, and user experience.    Their attention to detail was evident in every aspect, from the precise development of smart contracts to the seamless integration with the user interface. They consistently delivered top-notch solutions while maintaining clear and effective communication throughout the project. This ensured that our feedback was addressed promptly and effectively, resulting in a product that aligned perfectly with our goals.    Overall, their commitment to quality and their proactive approach in delivering innovative solutions truly set them apart.

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Their project management was exceptional. They delivered all items on time, adhering strictly to the agreed timeline. They demonstrated outstanding support throughout the project, always being available to address questions or concerns with a positive and professional attitude. Their expertise was evident in how they anticipated potential challenges and provided proactive solutions. They were highly responsive to our needs, consistently ensuring that our feedback was incorporated seamlessly into the development process.

From the outset, they established a clear timeline and consistently adhered to it, delivering every milestone as promised. This level of punctuality gave us confidence in their project management capabilities and ensured that the development process ran smoothly without unnecessary delays.    Even when faced with complex challenges, they stayed on track by maintaining a structured approach and proactively resolving issues. Their ability to meet deadlines while delivering high-quality work was a testament to their professionalism and dedication.    Their timely delivery of both intermediate milestones and final deliverables allowed us to stay aligned with our broader project goals, making the entire collaboration seamless and efficient.

Despite providing top-notch service, their pricing was less than half of what other leading companies in the market charge for similar quality work. This made them an outstanding choice for our project, as we received excellent service without the premium price tag typically associated with high-end providers.    What set them apart even further was their fantastic first impression. From the very beginning, it was clear that they were genuinely committed to our success, which is something not all competitors can claim. They exceeded our expectations with their thoroughness, creativity, and dedication to delivering the best possible outcomes, all while being highly cost-efficient.    The combination of exceptional service quality, a collaborative approach, and competitive pricing made them a standout partner, offering far more value than we could have anticipated.

What was your primary form of communication with 4Blocks?

• Virtual Meeting
• Email or Messaging App

What did you find most impressive or unique about this company?

What impressed us the most about this company was their level of dedication and commitment. The owners were not just developers; they truly went above and beyond, treating the project as if it were their own. They were incredibly helpful, always suggesting improvements and enhancements that added value to the project. Their proactive approach to problem-solving and their willingness to go the extra mile made a huge difference for us. This level of involvement and care is truly unique and a significant added value to our collaboration.

Their professionalism, dedication, and expert-level knowledge make them an invaluable partner for any project. From the initial consultation to post-delivery support, they consistently went above and beyond to ensure our success.    Their exceptional value for money, combined with their ability to deliver high-quality work on time, sets them apart from other providers in the industry. Their proactive approach to understanding and improving the project made the whole experience seamless and stress-free.    Given their outstanding track record, we’re confident they would deliver the same exceptional results to others as they did for us.

From the very beginning, they demonstrated an exceptional commitment to understanding the project in depth, taking the time to have hours of calls to ensure they fully grasped our vision and even suggesting ways to improve it. Their proactive approach made the entire process smooth and stress-free.    Once the project was underway, they handled everything perfectly—there was never a single problem or concern that they couldn't resolve efficiently. They were always ahead of potential challenges, ensuring that we never had to worry about any aspect of the project. Their professionalism, dedication, and expertise allowed us to focus on our goals without the usual stress of managing a project.    Even after the project was delivered, their support continued, demonstrating their ongoing commitment to the success of the project. Overall, working with 4Blocks was a seamless and rewarding experience, and we couldn’t be more satisfied with the results.

Are there any areas for improvement or something 4Blocks could have done differently?

There are no areas for improvement—we found their work to be absolutely outstanding. We are incredibly grateful to have chosen 4Blocks.xyz for our project. Their dedication, expertise, and hard work exceeded all our expectations.

BACKGROUND

Please describe your company and position.

I am an Independent Contractor and Blockchain Entrepreneur. 

Describe what your company does in a single sentence.

Blockchain 

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire 4Blocks to accomplish?

• Block chain Dapps
• Token creation
• Blockchain consulting

SOLUTION

How did you find 4Blocks?

Online Search

Why did you select 4Blocks over others?

• High ratings
• Pricing fit our budget
• Good value for cost
• Company values aligned

How many teammates from 4Blocks were assigned to this project?

2-5 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

We needed smart contract coding / token deployment. We also needed a dapp that was associated with our project 

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

The code passed 3rd party audits! The Dapp was tested by our team prior to launch. Our launch was very successful with no problems. 

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Mirko and his team were nothing but professional! They were also very patient. They made sure that everything was just how we wanted it to be and met our standards. They respond very quickly to emails and also messaging / phone calls. 

What was your primary form of communication with 4Blocks?

• Virtual Meeting
• Email or Messaging App

What did you find most impressive or unique about this company?

The complexity / variety of stuff they offered. They can do any project from start to finish. Smart contract coding / deployment / Dapp development / website design/ NFTS / auditing / anything block chain related 

Are there any areas for improvement or something 4Blocks could have done differently?

There is nothing. Everything was awesome 

BACKGROUND

Please describe your company and position.

I am the Founder of a cryptocurrency platform company

Describe what your company does in a single sentence.

A Defi cryptocurrency platform selling education through blockchain

OPPORTUNITY / CHALLENGE

What specific goals or objectives did you hire 4Blocks to accomplish?

• Build a great platform for our users
• Ensure safety snd security for our users

SOLUTION

How did you find 4Blocks?

Online Search

Why did you select 4Blocks over others?

Pricing fit our budget

How many teammates from 4Blocks were assigned to this project?

6-10 Employees

Describe the scope of work in detail. Please include a summary of key deliverables.

Created and developed all the smart contracts for our platform. Solidity. Including mapping. Specific contracts. Designed our front end. Created and delivered the whole platform from start to finish excluding the courses which were web 2 and were integrated to web 3

RESULTS & FEEDBACK

What were the measurable outcomes from the project that demonstrate progress or success?

We launched on 6th August 2024. We were able to buy and sell courses from day 1

Describe their project management. Did they deliver items on time? How did they respond to your needs?

Yes timing was on schedule. Fast responses

What was your primary form of communication with 4Blocks?

Email or Messaging App

What did you find most impressive or unique about this company?

4Blocks was always accessible for questions.

Are there any areas for improvement or something 4Blocks could have done differently?

None that would affect the platform negatively