Blocksism

Blockchain solutions for every business.

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We are a small company that introduces solid software to a decentralized world.

Our knowledge is based not only on academic education but also on our professional experience gained during work. We bring a range of skills from software development, blockchain integration, web applications to prototyping.

Company focuses on creating rich seamless relationship between the product and the user. We are always looking for creative projects which make us a seekers for innovative ideas. We value long-term customer relationships based on trust and joint achievement of the goal.

Technologies and services we use:
- Ethereum (Solidity language) with the help of OpenZeppelin
- Hyperledger Fabric and Explorer (for consortia blockchain). Also Amazon Managed Blockchain as a service
- Node.js
- MongoDB
- Docker
- React (front-end development)
- Amazon Web Services (most often used cloud)

$25 - $49/hr
Freelancer
2019
Locations
Sweden
Emmylundsvägen, Stockholm, Stockholm 171 72

Focus Areas

Service Focus

80%
20%
  • Blockchain Technology
  • Software Development

Client Focus

100%
  • Small Business

Industry Focus

20%
20%
20%
20%
10%
10%
  • Business Services
  • Financial & Payments
  • Real Estate

Blocksism Clients & Portfolios

EthPlay
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EthPlay
  • EthPlay screenshot 1
  • EthPlay screenshot 2
$0 to $10000
: 4 weeks
Gambling

The client's need was to build a decentralized dice game platform without deposits and sign-ups. Client wanted to take adventage of nature of smart contracts, that every dice roll is completely random and cryptographically secure. An important factor was to create a transparent UI so that the user could easily use the platform through his wallet.

Key tasks:

  • implementing smart contracts
  • deploying smart contracts using Truffle
  • building front-end React part using Web3.js library
  • integrating DApper and MetaMask wallet
BlockRecon
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BlockRecon
  • BlockRecon screenshot 1
  • BlockRecon screenshot 2
  • BlockRecon screenshot 3
  • BlockRecon screenshot 4
$0 to $10000
: 5 weeks
Banking

The client's need was to create a prototype of a bank network system that would verify every transaction between institutions. In addition, each bank was to contain its own nodes and a copy of the blockchain. The client wanted the administration panel (shown on the right), which would show possible transaction inconsistencies and the differences that banks have in their database.

Key tasks:

  • creating the Hyperledger Fabric blockchain architecture
  • implementing chaincodes
  • deploying network to Amazon Managed Blockchain service
  • integrating 'BlockRecon' user interface module with Hyperledger Explorer
Art_Value
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Art_Value
  • Art_Value screenshot 1
Not Disclosed
: 16 weeks
Art, Entertainment & Music

The client's need was to tokenize the works of art with assigned numbers. In order to introduce works of art into the blockchain world, the client decided on an auction platform that was to use smart contracts to create ERC-721 (in the future ERC-20) tokens on the Ethereum network and transfer them to winning bidders. The system took a hybrid form (blockchain and server connection) to reduce the costs associated with each auction transaction (customer requirement).

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