0x0f. Introduction to Hyperledger Sawtooth [Blockchain Developers Meetup]

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Cover Image for 0x0f. Introduction to Hyperledger Sawtooth [Blockchain Developers Meetup]

On our last monthly blockchain developers meetup, we had Arian van Eersel introducing us to Hyperledger Sawtooth.

The date of our meetup this time was also very interesting – the 11th anniversary since the first Bitcoin whitepaper was released on 31.10.2008 by Satoshi Nakamoto.

Bitcoin whitepaper

Developers Update

As usual, we started with the latest developers update in the blockchain ecosystem.

Milen Radkov – blockchain developers update

This time we had included several interesting news:


  •  Deposit contract /validator_registration/
    • Written
    • Tested
    • Formally verified
  • BLS standardization /WIP/
  • Eth2 testnets are coming
    • Individual clients are in the process of spinning on some nets for both private and public consumption.


  • Lima release
    • FATE VM
    • AENS
    • Governance
    • ERC20 Token migration
  • Waellet – latest release
  • Aepp-SDK-JS – new version v6.0.0
  • Base-aepp
  • Sophia stdlib

Hyperledger Sawtooth

Arian explained the idea behind the Hyperledger Sawtooth project and presented the architecture of such a network.

He also walked us through a demo application implementing simple business logic for transactions on top of Hyperledger.

Arian van Eersel – Hyperledger Sawtooth
Hyperledger Sawtooth demo


Also published on Medium.

About the author:


Milen Radkov has experience building and delivering successful complex software systems and projects for both big enterprises and small startups. Being actively developing across different blockchain protocols, platforms and projects for the past 5 years, he has gained extensive experience in blockchain development, architectures, consensus algorithms and token economics. Milen is a well-known figure in the blockchain space.

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