Meetup # 5 – October 13, 2022 Meetup # 5 – October 13, 2022

2 Agenda Agenda Introductions Purpose: “Our mission is to share bitcoin knowledge, tools, and resources in order to grow adoption within the local Round Rock community.” Location(s): Lamppost Cofee (Mention Oshi App) Library $179 / hour Baca Center ½ that price Bitcoin Happy Hour at BrassTap or Alcove Rules: No shitcoining No pictures/video unless we agree ahead of time Be respectful to the establishment / families Announcements: OshiApp Lamppost Gift Cards The Bitcoin Company Honey Badger – Free Sats! Circular Economy (Satoshi Square) - Azteco Vouchers Bitcoin Magazine Sponsorship? BTCPayserver for Donations Stickers from MVDEX Onboard local businesses Questions: Who has made an on-chain bitcoin transaction? Who has made a lightning transaction? Who is running a bitcoin full node?

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4 New avatar on New avatar on twitter @rbitcoiners twitter @rbitcoiners

5 Some designs by Mel @girls_bitcoin Some designs by Mel @girls_bitcoin

6 Some designs by Mel @girls_bitcoin Some designs by Mel @girls_bitcoin

7 Connect to our node Connect to our node 02dd5649b3b872024e6c9cac775fdea95f08c05a5fa9575e96e214b6a90baed438@z7wmavvxd irafksqhm2mwmfvujymsfzwyf7tzitmrzfgn6fynn2fioqd.onion:9735

8 Donate some sats to our BTCPayserver Donate some sats to our BTCPayserver

9 Bitcoiner News Bitcoiner News LND Bug – Update your node to v0.15.2 https://decrypt.co/111642/enormous-multi-sig-transaction-briefly-cras hes-bitcoins-lightning-network JoinMarket New UI https://jamapp.org/ BTCMaps – Lightning Tips for Taggers https://btcmap.org/leaderboard

10 CrowdHealth – Special Guest Jon Gordon CrowdHealth – Special Guest Jon Gordon

11 Mobile Device Privacy Threats Mobile Device Privacy Threats Govt Surveillance Edward Snowden Section 702 and PRISM NSAs xkeyscore COVID-19 Contact Tracing Built into both iOS and Android in 2020 Network Carrier Data-Mining Clearnet internet traffic for advertising AT&T is getting sued for selling customers’ locati on data Google services connectivity checks EFF Report Privacy breakdown of mobile phones What mobile privacy concerns should bitcoiners have? “We kill people based on metadata.” Fmr. NSA Spy Chief Michael Hayden

12 Self-sovereignty means controlling your data Self-sovereignty means controlling your data Use a VPN ExpressVpn Mullvad VPN Get a Burner SIM Cash Pay as you Go Plan (Refill w/ Bitrefill) Silent Link – Anonymous eSIM Encrypt Your Messaging Signal App Telegram Secret Chats Matrix Element Chat Critical Vulnerability Protonmail Turn Off Location Sharing Turn off location sharing at OS level (not foolproof) Monitor App Usage Review and turn off unused app permissions Delete unused and shady apps What other methods/tools do you use?

13 Some popular mobile privacy projects Some popular mobile privacy projects Copperhead OS De-googled OS with managed cryptographically secure vault, security, and enterprise support Runs on latest Pixel devices A bit pricey starting at $250 for a 3 month subscription We have a Partner demo account with 2 - 1 yr licenses GrapheneOS Free as in Beer Fully Open Source project – Formerly CopperheadOS Easy web install on latest Pixel Devices Privacy by Default Sandboxed Google Play (optional) CalyxOS Free as in Beer Based on Android Open Source Project (AOSP) Uses microG instead of sandboxed Google Play (optional) Pre-installed with a plethora of privacy tools (YMMV) Have any of you tried installing one of these?

14 Guides Guides TFTC Guides: Graphene OS + Pixel 3a Full Install Process Using Ubuntu Citadel Dispatch e0.3.4 – mobile phone privacy with @set hforprivacy Questions?