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Ended: May 20, 2018

Bubbletone Blockchain in Telecom is the first decentralized telecom ecosystem that allows mobile network operators, phone users and service providers to interact directly. We directly connect mobile network operators and end users globally on our blockchain-based marketplace. With BubbleTone Blockchain, travelers can swiftly become legitimate local customers of any foreign operator in the country they are traveling to. They don’t need to replace their SIM card, and they retain their home number. Any mobile carrier can publish prepaid plans as smart contracts on BubbleTone Blockchain. These offers are visible to all other operators and their subscribers. When subscriber selects offer, a new smart contract is created with the subscriber's digital identity and payment transaction directly to foreign operator.


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ICO Details

Ticker Symbol:
Ethereum (ERC20)
Hard Cap:
15,000,000 USD
local_activity Bubbletone Bounty Info
Total supply
1,000,000,000 UMT


Pre-Sale Date:
Feb 1, 2018 — Mar 10, 2018 @ 37 days

Public Crowdsale

Date Sale:
Apr 20, 2018 — May 20, 2018 @ 30 days
Sale Avalable Tokens:
500,000,000 UMT @ 50.0%
Sale min volum­e:
0.1 ETH
1 UMT = 0.00025 ETH

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Hype ICO Stats


Sergey Prilutskiy
Yuri Vasilchikov
Varun Reddy
Daria Generalova
Alexey Makeev
Smart contracts software engineer
Fedor Rozhnov
Sergey Baloyan
Head of Marketing
Mike Raitsyn
Sergey Sevantsyan
Oleg Pravdin
Mir Monsoor Hossain
Senior software developer
Shafiqul Islam
Front-end software developer
Samson Lee
Founder & CEO of CoinStreet
Jin Song Dong
Alexander Artemiev
Khandaker Raihan Hossain
Senior software developer
Oleg Vintovkin
Maria Voronova
Project Manager
Sergei Ivanov
Charlie Taka
Yuri Morozov
Kirill Maskaev
Communications Director
David Drake
Md Maniruzzaman
Back-end software developer
Momi Monjil Ara
Senior software developer
Ajmat Iqbal
Bubbletone messenger software development leader
Dima Zaitsev
Stepan Gershuni
Keith Teare
Jackov Mayurov
Bubbletone messenger project manager
Sergey Lepenkov
Mariana Bugaeva
Head of design group
Mark Grats


  • Q1’2018

    Initial version of smart contracts is ready. The first “Offer” and “Request” are on the Blockchain platform. Demonstration of the platform at Mobile World Congress in Barcelona (February’18). Integration with major eSIM platforms to download mobile profiles onto SIM cards
  • Q2’2018

    Web-API for integration of mobile operators and service providers. Integration of Digital Identity into Bubbletone app. Commercial launch, with “Offers” from 10+ mobile operators are on Blockchain, low rates in 80+ countries.
  • Q3’2018

    Global Mobile Profile approval by International Telecommunication Union. Update Mini Nodes to participate in processing smart contracts. New features in the Bubbletone app: Voting platform based on Blockchain, 4K videoconferences, transfer of fiat money and crypto currencies.

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