Bubbletone (UMT) ICO Review

Blockchain in Telecom

  • Token:UMT
  • ICO start: 20. Mar 2018
  • ICO end: 15. Jun 2018

Official WebsiteWhitepaper

Technology: Graphene blockchain

Bubbletone ICO Short Review

They 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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