Blockchain Newsletter: Beware of Bitcoin’s possible incompatibility with some major services [2017W42]

Week 42 of 2017


  • Price per Bitcoin BTC is at ~$5701 USD (+24.1% from last Monday)
  • Price per Ether ETH is at ~$344 USD (+13% from last Monday)
  • Price per Bitcoin Cash BCH is at ~$315 USD (-5.9% from last Monday)


This week’s new initial coin offerings (ICOs)

SelfKey (White Paper)

  • SelfKey is an Ethereum blockchain based identity management ecosystem.
  • SelfKey is minting an Ethereum based ERC-20 token called KEY as its utility token.
  • SelfKey offers identification service on the Individual and Company level.
  • SelfKey also offers a marketplace where you can use your ID to access an array of Services.
  • These include citizenship investment programs, company incorporation, bank account opening, insurance, money transfer, crypto assets exchange and more.
  • SelfKey provides a wallet with a private/public key pair for the user.
  • The user then needs to attach his/her real identity to this wallet by receiving attestations from government institutions.

Technical Updates


  • Byzantium HF Announcement
  • The Ethereum network will be undergoing a planned hard fork at block number 4.37mil (4,370,000), which will likely occur between 12:00 UTC and 13:00 UTC on Monday, October 16, 2017.
  • Download the latest version of your Ethereum client.
  • Mining reward drops reduces from 5 to 3 Ether.

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