Wasabi: Privacy Focused Bitcoin Wallet for Desktop

Summary

  • You can already try it out: https://github.com/zkSNACKs/WalletWasabi
  • The Beta release is on August 1 (on the first anniversary of UASF.)
  • The 1.0 release is on October 31 (on the tenth anniversary of the Bitcoin Whitepaper.)
  • It is open source and cross platform, so it works on every desktop architechture: Linux, OSX, Windows.
  • It is an HD wallet, it uses BIP84 derivation scheme, so it can only generate bech32, native segregated witness addresses.
  • It has advanced coin control features.
  • This is the only truly light wallet that is already deployed and that does not fail against network analysis, thus protects your privacy against network observers. We achieve this by implementing a BIP157–158.
  • The Tor anonymity network is integrated and the wallet cannot be used without it.
  • It complies with the ZeroLink wallet fungibility framework.
  • The wallet implements a trustless Bitcoin mixing technique, called Chaumian CoinJoin and enforces constant 100 anonymity set. This means waiting for peers may take a long time until liquidity catches up, no anonymity system used today in any cryptocurrency comes close to this number. (More on this later.)
  • Unlike today’s centralized mixers, in Chaumian CoinJoin, the coordinator of the mix cannot steal your coins, nor deanonymize you.
  • We take mixing fees of 0.3%.
  • We operate legally, our company is called zkSNACKs. Its website is in development: https://zksnacks.com/
  • Unfortunately when you create a new wallet you must accept the long terms and conditions first. Sorry about that in advance, my efforts to make it a one-liner did not convince our lawyers. It is full of things like “I promise I to not use it for buying drugs, carding, etc...”
  • The wallet looks like this:

How does it compare to other alternatives?

Cash

Banks

Centralized Bitcoin Mixers

JoinMarket

Monero

ZCash

Lightning Network

Frequently Asked Questions

Why is the anonymity set 100?

Do you plan hardware wallet support?

Why are other light wallets not private?

What has changed since HiddenWallet?

  • We added regression tests.
  • We added cross platform tests and continious integration.
  • We added 10 times more unit and integration tests.
  • I rewrote the Tor library from scratch.
  • We replaced our full block downloading SPV wallet architecture to BIP157–158 architecture to make it a fully light wallet.
  • We rewrote the GUI in Avalonia, which is native .NET. Previously it was written with Electron.

What are the weaknesses of the wallet?

  • It is bech32 only wallet. This means legacy wallets are not able to send money to it.
  • It is mixing to itself, not directly sending.
  • It is round based and until liquidity catches up rounds may take a long time.
  • Rounds have a common denomination, which is currently 0.1 BTC.
  • If someone does not have that much coins, then he won’t be able to participate in the mix.
  • If someone has a lot of coins, he must participate in many rounds.

Final Notes

 by the author.

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