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Categories: Epicenter Bitcoin

EB107 - Gideon Greenspan: The Blockchain Is A New Database Paradigm

Published on November 30th, 2015 by epicenterbitcoin

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Gideon Greenspan, a computer scientist and CEO/Founder of the Israeli startup Coin Sciences, joined us for a discussion of their private blockchain platform MultiChain. Besides diving into the popular question of what's the point of a private blockchain, we covered his earlier colored coins implementation as well as his view that blockchains are best understood as a novel database paradigm.

Topics covered included:

  • How Gideon got involved in the blockchain space
  • Their colored coins implementation MultiSpark and why it failed to get traction
  • Why he saw a market for an open-source private blockchain platform and started MultiChain
  • What mining diversity is and how it is used for consensus in MultiChain
  • How permissions work in MultiChain
  • The issues of privacy in blockchains and why you can't have auditability and privacy
  • How private blockchains differ from regular distributed databases
  • The five criteria to decide if a project needs a blockchain
  • The problem he sees with smart contract blockchains

Links mentioned in this episode:


  • Ledger Nano: Smart card security for your Bitcoins - Get 10% off your first order when you use the code EB09 at ledgerwallet.com (valid until 09/30/15)
  • Vaultoro: Trade gold to Bitcoin instantly and securely starting at just 1mg at vaultoro.com
  • Hide.me: Protect your privacy and personal data with a free VPN account at Hide.me/epicenter

Show notes



Epicenter Bitcoin is hosted by Brian Fabian Crain, Sébastien Couture & Meher Roy.

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