Habr
β
How to become an author
All streams
Development
Admin
Design
Management
Marketing
PopSci
Search
Profile
Pull to refresh
64
Karma
0
Rating
Sergii Grybniak
@greebn9k
Blockchain, Mobile and Web Development
Profile
Posts
39
Comments
126
Bookmarks
7
More
Dropdown
Followers
80
Following
2
Badges
Habred
Oldtimer
Invited
10 June 2013
by invitation from
@alizar
Belongs to hubs
Big Data
CRM systems
DIY
GTD
IT Infrastructure
IT-companies
Java
JavaScript
PHP
ReactJS
Usability
Algorithms
Business Models
Venture investment
Gadgets
Legislation in IT
Interfaces
Information Security
IT career
Computer hardware
Show more
Information
Rating
Does not participate
Location
New York, New York, США
Date of birth
5 August 1984
Registered
29 December 2011
Activity
16 June at 17:52