Double Doppler 4.0 — Atomic Swaps — Release Notes

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Double Doppler 4.0 — Atomic Swaps — Release Notes

Release Date: December 3rd, 2019

TL;DR: Atomic Swaps Marketplace is here!

Points to mention

  • Atomic Swaps is an advanced feature, currently in beta.
  • For Electrum use only Legacy seed type (we do not support Segwit)
  • For Bitcoin use version Bitcoin Core v0.17.1
  • For Litecoin use version Litecoin v0.17.1


The long-awaited Atomic Swaps Marketplace is here. We are happy to announce the release of Double Doppler 4.0 — our Desktop Wallet with Atomic Swaps.

You can now publish offers and execute Beam<>BTC, Beam<>LTC and Beam<>QTUM swaps right from the Beam Wallet, in a fully decentralized manner, confidentially and without any counterparty risk.

Download the latest version here.

It is the first time when a privacy coin offers such a market place. For Beam, it is the first step towards a full-fledged DeFi ecosystem that we will be continuing to build in the months to come.

Please see the detailed instructions on how to set up your wallet to start working with Atomic Swaps. If you are having issues, do not hesitate to contact us at our Support channel on Telegram or by email:

Note: The Atomic Swaps Marketplace is still in Beta, so use it at your own risk. We recommend transferring only small amounts.

Official Release Notes are available on Github here


  • Decentralized Atomic Swap Marketplace for BTC, LTC, and QTUM
  • Support connection to own node for BTC, LTC, and QTUM
  • Support conection with with Electrum for BTC, LTC, and QTUM
  • Automatic continues selection of fastest peers when connected to random node
  • Transactions can be searched by a transaction ID, kernel ID, address, contact or comment


  • Our logo just became a pixel bit better, can you find the differences?
  • Wallet approximate synchronization time is displayed nicely and much more accurately along with the remaining percentage
  • Creating or restoring a wallet can be processed by a specific peer
  • Transaction statuses are displayed in a nicer way


  • Address comment is now editable

Over 200 tasks accomplished in total, for more details please see here: GitHub project

Supported Platforms

  • Windows
  • MacOS
  • Linux

Come discover Beam and join our community!

Download Beam Desktop Wallet here

Download Beam iOS Wallet on App Store

Download Beam Android Wallet on Google Play

Learn more about Beam on our website and blog


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Double Doppler 4.0 — Atomic Swaps — Release Notes was originally published in BEAM-MW on Medium, where people are continuing the conversation by highlighting and responding to this story.

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