Fintech/WEB3/Blockchain development company

K1 CORE is a blockchain financial software developer that provides full-cycle IT-services to B2B clients and sells white label crypto exchanges, payment solutions, wallets, etc, all of which are supported on a regular basis by K1 CORE. The company is a part of Kauri One Inc. - a group of companies that was founded in 2017 and is focused on the blockchain technology and Web3 ecosystem.

We are a team of highly qualified devops, blockchain, front- and backend developers, designers and QA specialists with over 10 years of experience in fintech/blockchain/crypto. We specialize on development of crypto exchanges as a software and provide all-in-one solutions as White Label crypto exchanges, SaaS or Enterprise solutions.

What are our principles?

  • We make finance safe and private for our clients and partners.

  • We know all about Web3. We've been working with blockchain since 2017.

  • Our B2C and B2B solutions are already being used and trusted by thousands of customers.

  • We're for win-win solutions and long-term relationships with our partners. 

  • We believe that time is money. And help our clients to save it.

Certifications/Compliance

ISO 27001
Cyprus Cyprus
Griva Digeni 80, Swepco Court 6, 2nd Floor, Limassol, Limassol 3101
+35795137530
$50 - $99/hr
10 - 49
2017

Service Focus

Focus of Blockchain Technology
  • Smart Contract Development - 5%
  • Cryptocurrency Exchange - 60%
  • Wallet Development - 20%
  • Solidity - 5%
  • Blockchain Consulting - 10%

Industry Focus

  • Financial & Payments - 30%
  • Business Services - 20%
  • Gaming - 10%
  • Gambling - 10%
  • E-commerce - 10%
  • Enterprise - 10%
  • Banking - 10%

Client Focus

60% Small Business
40% Medium Business

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Client Portfolio of K1 CORE

Project Industry

  • Financial & Payments - 100.0%

Major Industry Focus

Financial & Payments

Project Cost

  • $10001 to $50000 - 50.0%
  • $100001 to $500000 - 50.0%

Common Project Cost

$10001 to $50000

Project Timeline

  • 1 to 25 Weeks - 100.0%

Project Timeline

1 to 25 Weeks

Clients: 8

  • Coinly
  • Breinrock
  • Kauri Finance
  • CoinPay
  • Breincoin
  • Qmall
  • Tidex
  • BTQbank

Portfolios: 2

Crypto exchange CoinPay

Crypto exchange CoinPay

  • Crypto exchange CoinPay screenshot 1
  • Crypto exchange CoinPay screenshot 2
$10001 to $50000
4 weeks
Financial & Payments

About the Client:

Coinpay is a blockchain platform, which allows one to keep, exchange, and transfer both fiat money (UAH) and cryptocurrencies. 

Challenge:

There was a need to develop a blockchain platform in the Ukrainian cryptocurrency market.

Key requirements: 

  • Deep integrations with a currency exchange rate of Ukrainian banks for UAH, EUR, USD
  • Bulk payments projects 
  • Adding TOP 10 tokens 
  • Plugin for WordPress (Woocommerce Shops)
  • Adding aggregated payment gateways for UAH payment

Technology Stack:

  • Languages:

    • Python

    • Solidity

    • Javascript/TypeScript ( Vue.JS/Nuxt)

  • Nodes:

    •  Ethereum (ERC-20)

    • Binance Smart Chain (BEP-20)

    • Tron (TRC-20)

    • BTC

    • LTC

    • Doge

  • Software layer for nodes (Core + Microservices for each network)

  • Databases:

    • PostgreSQL

    • MySQL

  • WebServer:

    • NGINX

  • Security

    •  VPN + Firewall

  • Monitoring:

    • Zabbix, Graylog

Kauri Finance - Blockchain Bank

Kauri Finance - Blockchain Bank

  • Kauri Finance - Blockchain Bank screenshot 1
  • Kauri Finance - Blockchain Bank screenshot 2
$100001 to $500000
10 weeks
Financial & Payments

K1 CORE developed the blockchain bank KAURI FINANCE which combines classic banking with blockchain technology to provide bank's customers with both the highest degree of fund protection and the convenience of banking service.

Challenge:

The founder of the company had the idea of ​​creating not just a crypto exchange, but a crypto bank. There was a need to develop a blockchain platform that would connect traditional banking instruments with the leading technologies of the financial market.

Key requirements: 

  • Rapid delivery time

  • Adding TOP 10 tokens

  • Quick orders execution real-time exchange rate update (websockets)

  • Few liquidity providers under the hood

  • Unified Rest API for many platforms such as iOS, Android, CRM

  • Python SDK

  • Module IBAN, ProTrade & non custodial wallets

Solution

The K1 CORE team has built and maintained Kauri Finance, which includes the exchange and transfer of funds in crypto and fiat, custodial and non-custodial wallets, the possibility of trading and investing cryptocurrency.

Developed WEB3 Non-Custodian wallet that provides ability to create, export and use non-custodian wallets with private keys and mnemonic phrase.

Delivered ProTrade module - trading platform for users who needs more tools &  don't want to lose their money.

Implemented IBAN module that allow to issue IBAN for KF customers

Built Matching Engine - system that matches buy and sell orders for a crypto market. Continuous trading where orders are matched immediately.

Added 4 liquidity providers under the hood: Binance, Huobi, Kraken, KF

Processing is performed on 6 different blockchain networks (Ethereum, Doge, Litecoin, Tron, Bitcoin, Binance)

Python SDK (KF)  Read the full info here:  https://pypi.org/project/kauri-finance-sdk/ ….

Technology Stack:

  • Languages:

    • Python

    • Solidity

  • Nodes:

    •  Ethereum (ERC-20)

    • Binance Smart Chain (BEP-20)

    • Tron (TRC-20)

    • BTC

    • LTC

    • Doge

  • Software layer for nodes (Core + Microservices for each network)

  • Databases:

    • PostgreSQL

    • MySQL

  • WebServer:

    • NGINX

  • Security

    •  VPN + Firewall

  • Monitoring:

    • Zabbix, Graylog