INN4SCIENCE

Full-cycle
BLOCKCHAIN, SAAS, HIGHLOAD SYSTEMS
development team for your business

+1 (702) 819 6363 - USA (Las Vegas, Nevada)

+38 (066) 925 1480 - Ukraine (Kharkiv)
inn4science.com
ABOUT US 2

Inn4Science is an American-Ukrainian blockchain and web Our Main Focuses

development company with offices in Las Vegas and Kharkiv.
We are a dedicated team of experienced developers, business
Business tasks
analysts, designers and project managers with an emphasis on
accomplishment
senior-level skills.

We are ready to implement blockchain and highload web projects

as well as decentralized systems requiring the highest level of Clear projected
security, productivity and stable work. Our team of agile specialists timelines of
has wide expertise in local and international projects providing product delivery
proven experience in blockchain & ICO projects.

Inn4Science team provides turn-key solutions for every business- Comprehensive

task from idea analysis and deployment to scaling and support. testing and support

Transparency of
work completed
WE DON’T JUST WRITE A CODE, and time spent

WE SOLVE CLIENT’S BUSINESS TASKS

Dedicated team for
each project
 OUR SPECIALIZATION 3

Our team is fixed on the full cycle development of blockchain and highload systems.

Blockchain Highload System

Where we can be useful:

Accounting & Finance Education & eLearning Warehouse

Food & Leisure Gaming Healthcare

Media & Entertainment Trading Travel & Hospitality

Insurance Ecommerce & Retail business On-demand

 HIGHLOAD SYSTEMS DEVELOPMENT 4

Highload systems comply with the highest requirements for Team:

resilience and are able to serve over 10,000 users at one time. Such
solutions guarantee fault tolerance, high system performance and • TeamLeadArchitect
secure data storing, transferring and displaying.
• Backend Developer
High load is a must for User, Content, Business Logic Management
• Frontend Developer
Systems, such as: SaaS, CRM, ERP, Online dashboards, CMS, Custom
web projects. • Project Manager

• Business Analyst
Key Elements:
• Designer
• Secure authentication system
• Quality Assurance
• User management system
• DevOps
• Content management system

• Backup service

• Third-party services integration

• Payment systems integration

• UX\UI

• Cross-platform support
 SMART CONTRACTS DEVELOPMENT 5

Smart contracts development and deployment of any complexity Team:

and functionality. Smart contracts for ICO, STO and other
investment events. • Backend Developer

• Project Manager

• Quality Assurance

The development of proxy smart contracts with the use of oracles.

Standards Applied:
• ERC20

• ERC721
 PAYMENT SYSTEMS INTEGRATION 6

The development of payment gateways for integration with Team:

any kind of payment systems.
• TeamLead/Architect
Easy, reliable and fast money transfer.
• Backend Developer

• Frontend Developer
Integration with:
• Project Manager
• Payment and banking systems
• Business Analyst
• Virtual money systems
• Designer
• Crypto-fiat exchange systems
• Quality Assurance

• DevOps
Key Elements:

• Payment management interfaces

• API management services

 KYC DEVELOPMENT & INTEGRATIONS 7

Custom KYC systems development and integration of the existing Team:

solutions into the client’s product. The full set of elements
required to provide fault-tolerant KYC service. • Backend Developer

• Frontend Developer
We provide integrations with such solutions as:
• Project Manager
• Cryptocurrencies
• Business Analyst
• Systems requiring user identification
• Quality Assurance
• Cryptocurrency wallets
• DevOps
• Cryptocurrency exchanges

Key Elements:
• API gateway

• Secure data storage

• Multiple user roles

• User service

• KYC service
 ICO\STO ECOSYSTEM DEVELOPMENT 8

Full set of services and elements for ICO and STO. Team:
The development of reliable and efficient ecosystems for • Backend Developer
blockchain startups crowdfunding.
• Frontend Developer

Key Elements: • Project Manager

• Business Analyst
• Investor panel
• Quality Assurance
• Smart contracts
• DevOps
• KYC integration

• Admin panel

• Integration with crypto exchanges

• Informational website
 CUSTOM CRYPTOCURRENCY & ECOSYSTEM DEVELOPMENT 9

New cryptocurrency development from scratch or by forking Team:

existing cryptocurrencies. The development of program and server
architecture for fault-tolerant system performance, comprehensive • Backend Developer
custom ecosystem and all required integrations.
• Frontend Developer

• Project Manager
Key Elements:
• Business Analyst
• Blockchain network (custom or fork)
• Quality Assurance
• Crypto exchanges integration services
• DevOps
• Admin interface

• Business logic implementation services

• Cryptocurrency wallets
 CUSTOM CRYPTO WALLETS 10

Mono and multi-currency wallets development for personal or Team:

corporate use with custom functionality and security options.
• Backend Developer
Key Elements: • Frontend Developer
• Blockchain network (custom or fork) • Project Manager
• Payment systems integration services • Business Analyst
• User interface • Quality Assurance
• Crypto exchanges integration services • DevOps
• Data security and backup services

• Services for integration with corporate management

systems

• Business logic implementation service

 CRYPTOCURRENCY EXCHANGE DEVELOPMENT 11

The development of cryptocurrency exchange services with custom Team:

functions and options.
• TeamLeadArchitect
Key Elements: • Backend Developer

• Integration with payment systems • Frontend Developer

• User service • Project Manager

• Cross-platform support • Business Analyst

• User data storage • Designer

• Payment management interfaces • Quality Assurance

• KYC • DevOps

• API gateway

• Matching mechanism

• Integration with other cryptocurrency exchanges

• Cryptocurrency-cryptocurrency, cryptocurrency-fiat exchange

 CUSTOM BLOCKCHAIN DEVELOPMENT 12

Private and public blockchain networks development according Team:

to required performance and security rates.
• TeamLeadArchitect
Custom consensuses integration in a blockchain network.
• Backend Developer
Blockchain integration for corporate and commercial projects
data storing. • Frontend Developer

• Project Manager
Key Elements: • Business Analyst
• Custom consensuses • Designer
• Nodes with rights distribution • Quality Assurance
• Mining systems and algorithms • DevOps
 TRADING ROBOTS DEVELOPMENT 13

The development of systems for market pairs monitoring and Team:

automated cryptocurrency trade/exchange.
• Backend Developer
The development and integration of patterns and signals
detecting changes in the currency rate. • Frontend Developer

• Project Manager
Key Elements: • Business Analyst

• User interface • Designer

• Crypto wallets integration service • Quality Assurance

• Crypto exchange integration service • DevOps

• System training in pattern detection

 HOW WE WORK 14

Our experts make a careful estimation and transparent calculation of every task. We find the best
compromises at the cost always providing the highest level of project’s reliability. Based on this we
provide the individual cost of the project per hour.

Here, At Inn4science We Use Agile Development Methods For

Solving Client’s Business Tasks

Architecture Choosing
Business Analysis Selecting the Team Work Planning
Development Technology

Establishing Client-Team Technical

Development Process Testing Deployment
Communication Support
 TECHNOLOGIES 15

For the development of every specific project, we use the most appropriate development technologies.
That is how we ensure the highest indicators of security and fault tolerance of finished product.

Our Stack Of Technologies

MongoDB PostgreSQL Golang Solidity Rust

Angular VueJS JavaScript HTML5 CSS3

OUR PROJECTS: VIPCOIN 16

VipCoin is a gold-backed cryptocurrency based on a private blockchain. Unlike other cryptocurrencies

that are subject to high volatility, it’s a stable cryptocurrency 100% supported by gold. Due to this
feature, the system guarantees users to receive income in the amount of 0.5% of the transactions
conducted in the system.

Client’s Needs: What we did:

A client came up with an idea but not a clear task The process of solution development included:
and project structure. • Proof of concept
A new cryptocurrency: • Comprehensive business analysis
• Should not be based on existing platforms for • Architecture design
cryptocurrency production
• Exonum-based blockchain development
• Should be easily integrated with banking systems
• User cases development
• Should have KYC function
• Integration with external sources
• Should be implemented on any type of device
• Integration with banking systems (KYC)
• Should guarantee the highest level of security
and fault tolerance • UI, UX design for every type of device
• Implementation of full functionality and interfaces
• Deployment on working servers
• Complete testing

Our Technologies:
OUR PROJECTS: VIPCOIN 17

The Development Stages

Preparation: Development:
• Prepare infrastructure & development • Proxy • Acquiring
environment
• Exchanger • Admin API
• Knowledge sharing/investigation
• Sender • Rate
Design and artwork: • Blockchain • Socket-Notifier Service
• UX analysis • User API • Transactions
• Icons, style guide • Shares • Rate up script
• Prototyping • Queue Service (Nats) • KYC

The Result
As a result, we developed and launched a
completely well-functioning, secure and fault
tolerance cryptocurrency-based on gold. We
integrated it with banking and other informational
systems. As well as we implemented a full set of
required elements to make user-friendly for any
type of device.
OUR PROJECTS: CENTRUMCOIN 18

One of the first platforms for ICO and STO providing coin investors with 2% revenue and accelerating
fundraising activities for startups to 3-6 months which is significantly shorter than a typical process
through an IPO or venture capital.

Client’s Needs: What we did:

The idea was to develop a platform for STO and The process of solution development included:
crowdfunding activities for startups. • Proof-of-concept
• Complete business analysis
Key requirements:
• Project architecture development
• ERC-20 token development
• Project business logic development
• KYC (know your customer)
• User behavior scenarios development
• Compatibility with any type of device
• Integration with external resources scenarios development
• The highest security and fault-tolerance
• KYC-service integration
• Ensuring a provided idea security by using
encryption methods • Interfaces and design for devices of any type
• Integration with external data sources
• Full functionality and interfaces implementation
• Deployment on working services
• Complete testing

Our Technologies:
OUR PROJECTS: CENTRUMCOIN 19

The Development Stages

Preparation: Development:
• Prepare infrastructure & development • Integrate API Gateway • Admin panel
environment
• Integrate Sender • Landing Page
• Knowledge sharing/investigation
• Transaction • Content management service
Design and artwork: • Contract Gateway • Integration with 3rd parties
• UX analysis • Smart Contract for public ICO • Preparation for A/B testing
• Icons, style guide • User Management
• Prototyping

The Result
We have created a platform for sharing ideas
and developing ICO for further implementation
with all data securely stored in the blockchain.
Our team has integrated the solution with all
necessary data systems and implemented
elements for user-friendly experience in any
type of device.
OUR PROJECTS: AMHORA 20

An aggregator of cryptocurrency quotations and information for traders and crypto enthusiasts.
Amhora is a blockchain search and analytics engine for Bitcoin, Bitcoin Cash, Dash, Monero,
Ethereum, Litecoin.

Client’s Needs: What we did:

A client had a partially completed project which The process of solution development included:
needed some refinements. • Architecture development

Our task was to: • Changing of programming languages from Ruby to Golang

• Optimize databases • Maintaining compatibility with front-end

• Develop project architecture • Data sources optimization

• Change the programming language from • Scenarios of integration with external sources of
information
• Ruby to Golang
• Integration with exchanges
• Speed up the collection of exchanges data
• Addition of initial data (fields for information,
• Add new data to the statistics historical data)
• Add historical data • Complete functionality and interfaces implementation
• Deployment on working servers
• Comprehensive testing

Our Technologies:
OUR PROJECTS: AMHORA 21

The Development Stages

Preparation: Development:
• Build initial architecture • General features • Setup staging/pre-production
environment
• DB schema creation and • Integration with 3rd parties
configuration and optimization • Perform manual deployment
• Big Data project • Deployment script
• CI/CD (optional)

The Result
As a result, we got a completely working aggregator
collecting and systematizing key cryptocurrency
data to ensure the best experience for traders
and blockchain enthusiasts. The project provides
significant value for crypto investors by helping to
eliminate risks and choose best time conditions
for crypto transactions. Inn4Science team have
integrated the solution with external sources of
information, optimized service performance and
implemented all the necessary elements to ensure
user-friendly experience on any type of device.
 CONTACTS 22

For the development of each specific project, we use the most suitable technologies ensuring the
best security and fault tolerance indicators.

Accordingly, we provide an individual valuation of a development hour for each project.

We undertake a thorough assessment and provide a transparent calculation for every task. Our team
are experts in solutions ensuring the highest level of product reliability at the most reasonable price.

Don’t Hesitate Contacting Us!

USA, 4575 Dean Martin Dr, Las Vegas NV 89103
+1 (702) 819 6363
Ukraine, Pushkinska Str 32, Kharkiv
+38 (066) 925 1480

info@inn4science.com www.inn4science.com