12.0 Privacy for Journalists || Janine Römer
Channel: Wasabi Wallet
Date: 2021-05-02

Janine Römer shares her concerns with the current journalist processes to research, publish, and maintain information. These should have individual privacy, censorship resistance, and sustainable financing built in. Revision Control Journalism and Bitcoin Lightning Network can in combination ensure that free journalists get the respect they deserve.

Watch all Highlights: https://youtube.com/playlist?list=PLPwc75tPMdsjpqK1YHYYG5b55M6Y--6Qd
Watch all full episodes: https://youtube.com/playlist?list=PLPwc75tPMdsixsuhwau82Q0IfxECo0z_E
Website: https://WasabiWallet.io
Blog: https://blog.WasabiWallet.io
Documentation: https://docs.WasabiWallet.io
GitHub: https://github.com/zkSNACKs/WalletWasabi
Podcast: https://anchor.fm/Wasabikas
YouTube: https://youtube.com/c/WasabiWallet

00:00 Introduction. / Revision-controlled journalism.

02:31 What's your recent work in the Bitcoin Privacy Newsletter?

04:24 What are the established ways of publishing in journalism? / Github. / The Markup. / Attribution.

08:57 How much metadata do you put into commit messages?

10:36 User experience of the reader. / Hyperlinker.

12:24 Privacy mistakes in the published text.

14:13 Recording changes before publication.

15:26 What software and tools do you use?

16:42 Adding Bitcoin timestamps to articles.

18:14 Digital signatures. / Proof of identity. / Reputation.

20:00 Long-term identities / Short-term pseudonymous identities. / Reputation.

21:14 Publishing hashes of information.

22:23 Privacy in research.

27:21 Using the Tor network.

30:36 Ethics / Revealing information vs discovering information.

31:20 Tails / Qubes OS

32:29 How do you prevent censorship? / Backups. / radicle.xyz

37:27 Funding of journalism. / "Beyond Wikileaks" (2013) / Financial surveillance.

42:54 Publishing on self-hosted infrastructure.

47:00 Podcasting 2.0 / "podcast:value" specification.

49:10 RSS feeds and Lightning payments.

50:02 Adam Curry.

51:26 Taxes and regulation.

52:10 BlockDigest and Podcasting 2.0.

55:24 Financial Action Task Force (FATF)

58:39 Regulation, proof of ownership of addresses, and custodians. / Ciphertrace.

01:03:13 Should wallet makers make it easier for users to comply? / Lavabit.

01:05:51 Features that could be used by governments to coerce users.

01:07:30 What do you want to work on in the future?

01:09:23 @Panopticast podcast.

01:10:38 Non-recorded spontaneous conversations. / Jitsi. / Paynym.

01:11:47 BTCPay server with no address re-use. / Accounting/Bureaucracy.

01:14:22 Improvements of Bitcoin tools compared to fiat.

01:15:37 Private value transfer. / Privacy security and OSINT Show.

01:17:22 Completely anonymous publication.

01:20:18 Obscuring writing style.

01:24:10 Facial recognition. / Adam Harvey (@adamhrv).

01:26:22 Biometric recognition. / Gait analysis.

01:29:26 Conclusion.
Wasabi Research Club #14 - ZeroLink

00:00 Introduction.

01:45 The privacy problem.

02:00 Joining transactions. / Equal output Coinjoins.

03:42 How can Coinjoin be coordinated without loss of privacy?

05:39 Wasabi coordinator. / Input registration.

07:34 Zerolink protocol.

09:13 Output registration.

10:40 Equal output Coinjoins.

11:33 Limitations.

12:43 Attack vectors. / Anonymity set size.

13:38 DDoS attack

16:59 Sybil attack.

18:15 Behaviour discrepancy.

19:53 Summary of Zerolink.

20:55 Have Sybil attacks been detected?

23:49 Can the coordinator perform a Sybil attack?

26:16 Liquidity and fees.

27:42 Outdated paper.

29:10 Zerolink library for wallets to use. / Zerolink 2.0.

30:30 How does implementation of mixing with multiple wallets affect Sybil attacks.

31:04 DoS prevention in Wasabi.

34:04 Coinjoin sudoku of change outputs.

36:24 Sybil attack with multiple wallets in one instance.

40:30 Anonymity set analysis. / Remixing. / Sequential Coinjoins. / Exponential privacy gains of remixing.

47:05 In the case of 2 rounds of mixing.

48:50 Wagner's attack on Schnorr signatures.

50:54 Reason for the switch from Chaumian blind signatures to Schnorr signatures.

54:16 Next steps. / New mixing scheme.

57:09 Scope of future presentations.