Meetup # 3 – August 11, 2022 Meetup # 3 – August 11, 2022

2 Agenda Agenda Introductions Background Purpose: Share knowledge while discussing tools, resources, and benefits of the Bitcoin network for advancing humankind. Peer to peer networking with other bitcoiners in order to grow adoption by small local businesses within our community, in a decentralized "grass roots" fashion. Location: Lamppost Cofee (Mention Oshi App) Library $179 / hour Baca Center ½ that price Bars / Restaurants Rules: No shitcoining No pictures/video unless we agree ahead of time Be respectful to the establishment / families Points of order: Peer to Peer transactions (Satoshi Square) Onboard local businesses Have fun! Questions: Who has made an on-chain bitcoin transaction? Who has made a lightning transaction? Who here is running a bitcoin full node? Who here has used a peer to peer service to buy non-kyc bitcoin? Who here is living on a bitcoin standard (or at least trying to)?

3 Why Privacy Matters Why Privacy Matters Identity Thieves In 2020, identity fraud cost Americans a total of about $56 billion, with about 49 million consumers falling victim. Dragnet Surveillance Edward Snowden revealed the NSAs xkeyscore program in 2013 that is still being used today. Financial Privacy Operation Chokepoint Canadian Truckers Selectively Reveal Your Data Control what parts of you, that you want to reveal to the world.

4 What is KYC and why don’t we like it? What is KYC and why don’t we like it? Identity Thieves In 2020, identity fraud cost Americans a total of about $56 billion, with about 49 million consumers falling victim. Dragnet Surveillance Edward Snowden revealed the NSAs xkeyscore program in 2013 that is still being used today. Financial Privacy Operation Chokepoint Canadian Truckers Selectively Reveal Your Data Control what parts of you, that you want to reveal to the world.

5 How can we obtain no-KYC bitcoin? How can we obtain no-KYC bitcoin? Bitcoin ATMs CoinATMradar.com Use an anon pre-paid phone for verification Higher fees (~8-20%) Bisq Network Fully Open Source Decentralized Exchange with Multisig Escrow Runs its own bitcoin node Pay with Zelle, Strike, MoneyOrder, Cash by Mail Peer to Peer Bitcoin Meetups (Satoshi Square) Buy it from a friend (for a beer) Azteco Vouchers Not buying bitcoin but a voucher 5% Markup 1.5% to seller; 3.5% to Azteco Mining (at home) Pay through your electric provider Requires up-front miner investment

6 What are some popular bitcoin wallets? What are some popular bitcoin wallets? Mobile (Hot Wallets) ● Samourai (On-chain; Privacy Focused) ● Blockstream Green (On-chain; HWI compatible; multisig) ● Blue Wallet (On-chain; Lightning Enabled; Connect own node) ● Muun Wallet (On-chain; Lightning Enabled) Hardware (Cold Wallets) ● Trezor (Open-source, non-custodial) ● Ledger (Closed-source, HSM) ● ColdCard(Verifiable-Source, Secure Elements, Air Gapped) ● Seed Signer (Fully Open Source Hardware/Software; DIY) https://bitcoin-only.com/wallets

7 What can we do going forward? What can we do going forward? Use a VPN /Tor Mullvad ExpressVPN TOR browser Coinjoin Mixing Tools Whirlpool JoinMarket Wasabi Use Lightning Paying over lightning is off-chain and has some increased privacy benefits. Bolt-12 Payjoin Stowaway PayNyms BIP-47 Payment Codes UTXO Management Never re-use wallet addresses Stonewall