|
| 1 | +--- |
| 2 | +layout: post |
| 3 | +type: socratic |
| 4 | +date: "2024-04-30 19:00:00" |
| 5 | +title: "Vancouver Socratic 023" |
| 6 | +meetup: https://lu.ma/bitdevs |
| 7 | +--- |
| 8 | + |
| 9 | +## Institutio Theologiae Elencticae |
| 10 | + |
| 11 | +Welcome Elenctics to tonight's Socratic Seminar! |
| 12 | + |
| 13 | +- Event space [fundraiser](https://we.encrypt.cash/apps/4NKmXo1vaxtzDJfd3JnfCtHrzQBf/crowdfund) |
| 14 | + |
| 15 | +We now post the links to this seminar in advance! [Check out our Github issues for the latest.](https://github.com/VancouverBitdevs/VancouverBitdevs.github.io/issues) |
| 16 | + |
| 17 | +Today's MC: TBD |
| 18 | + |
| 19 | +### Never miss a Bitcoin event ever again |
| 20 | + |
| 21 | +[Check out and subscribe to the calendar here](/calendar) |
| 22 | + |
| 23 | +- Port Moody Bitcoin Meetup **02 May 2024** |
| 24 | +- [Canadian Bitcoin Conference](https://canadianbitcoinconf.com/) **16-18 May 2024** Discount code: _MEETUP10_ |
| 25 | +- Noderunners Workshop **21 May 2024** |
| 26 | +- [Lightning Pints](https://www.meetup.com/bitcoin-n-beers-vancouver/events/300529786) **23 May 2024** |
| 27 | +- May Bitdevs **28 May 2024** |
| 28 | +- [BTCVancity Bitcoin Meetup #12](https://www.meetup.com/btc_vancity/events/300663514) **30 May 2024** |
| 29 | +- Powell River Bitcoin Meetup **1 June 2024** |
| 30 | + |
| 31 | +### Spend your sats in Vancouver |
| 32 | + |
| 33 | +[Check out our new map and merchant directory](/map) |
| 34 | + |
| 35 | +#### New merchants |
| 36 | + |
| 37 | +[El Caracol](https://www.facebook.com/profile.php?id=100063959828739) |
| 38 | +[Bula Lounge](https://bulalounge.com/) |
| 39 | + |
| 40 | +<!-- ### Today's talk --> |
| 41 | + |
| 42 | +### Today's talk |
| 43 | + |
| 44 | +#### Privacy on Lightning |
| 45 | + |
| 46 | +<br><br> |
| 47 | +**Lightning channels** |
| 48 | +- [Two-of-two multisignature contracts](https://mempool.space/tx/7bd5f8e832915dd09079cf7b3238c20fa0c71ac5e715a33c23a5a58283c0498b) |
| 49 | +- [Capacity visible for everyone, balance isn't](https://amboss.space/node/021294fff596e497ad2902cd5f19673e9020953d90625d68c22e91b51a45c032d3) |
| 50 | +- Channels are announced as part of the network graph |
| 51 | +- Lots of improvements coming to how they are announced! |
| 52 | + |
| 53 | +<br><br> |
| 54 | +**Lightning invoices** |
| 55 | +- [lnbc21u1pnrz6rspp588fx9kkgu6xqu9js22ptwv89v](https://lightningdecoder.com/lnbc21u1pnrz6rspp588fx9kkgu6xqu9js22ptwv89vpaggstrpf97yxrpht2yt228v6dsdqqcqzzsxqyz5vqsp5hwtj5ckccr6kmxsey6flyn9zxpuglv2f7zvlqvq2frknafwnsnvs9qyyssq6grhhaj6k5mz6u9q7gr5wagfvn4094uz0xaqjel7veqpgye2hu85llvq4sge5s3xxu5pe80wkmd6w2thewp66hg2s45dy9skdx0utpcptmqa2r) |
| 56 | +- It may be easy to identify the destination |
| 57 | +- Payments are identified by payment hash |
| 58 | +- HTLCs become visible onchain if they have to be settled |
| 59 | + |
| 60 | +<br><br> |
| 61 | +**Lightning payments** |
| 62 | +- [Onion routing hides the full path from routing nodes](https://ellemouton.com/posts/onion-routing-prelims/) |
| 63 | +- Each node can only see the previous and next hop. |
| 64 | +- Only the ultimate destination knows it is the ultimate destination. |
| 65 | +- The ultimate destination only knows the incoming channel. |
| 66 | +- Only the sender knows the full path. |
| 67 | + |
| 68 | +<br><br> |
| 69 | +**Onchain analysis** |
| 70 | +- Segwit channels are easy to identify when they are closed cooperatively or uniltarerally |
| 71 | +- As of now, a node's onchain balance can probably be easily calculated after the fact |
| 72 | +- Unannounced channels can eventually be identified as their outputs are mixed with inputs from public channels |
| 73 | + |
| 74 | +## bitcoin-dev |
| 75 | + |
| 76 | +- [The Future of Bitcoin Testnet3](https://groups.google.com/g/bitcoindev/c/9bL00vRj7OU/m/9yCPo3uUBwAJ?utm_medium=email&utm_source=footer&pli=1) |
| 77 | +- [Exploding Keys - Covenant construction](https://delvingbitcoin.org/t/exploding-keys-covenant-construction/832) |
| 78 | +- [Assigning BIP Numbers](https://blog.bitmex.com/assigning-bip-numbers/) |
| 79 | +- [Coinfaucet declares "Testnet war"](https://coinfaucet.eu/en/btc-testnet/) |
| 80 | + |
| 81 | +## lightning-dev |
| 82 | + |
| 83 | +- [Clearing the Paths: A Deep Dive into LND's Pathfinding Mechanism](https://lightning.engineering/posts/2024-04-11-pathfinding-1/) |
| 84 | +- [LND v0.18.0-rc1 is released](https://groups.google.com/u/0/a/lightning.engineering/g/lnd/c/KzHbUzM6tnc) |
| 85 | + |
| 86 | +## Optech |
| 87 | + |
| 88 | +- [Hackers are threatening to leak World-Check, a huge sanctions and financial crimes watchlist](https://techcrunch.com/2024/04/18/world-check-database-leaked-sanctions-financial-crimes-watchlist/) |
| 89 | +- [Wallet Fingerprints: Detection & Analysis](https://ishaana.com/blog/wallet_fingerprinting/) |
| 90 | +- [List of known wallet fingerprints](https://github.com/achow101/wallet-fingerprinting/blob/main/fingerprints.md) |
| 91 | + |
| 92 | +## Bitcoinomics |
| 93 | + |
| 94 | + |
| 95 | + |
| 96 | +## Network Data |
| 97 | + |
| 98 | +- [What the Drop in Lightning Nodes Means for LN's Future?](https://lightningnetwork.plus/posts/553) |
| 99 | +- [Amboss All Time Nodes](https://amboss.space/stats?params=eyJtZXRyaWMiOiJhY3RpdmVfbm9kZXMiLCJjYXRlZ29yeSI6ImFsbFRpbWVNZXRyaWNzIn0%3D) |
| 100 | +- [ViaBTC's total reward for the halving block was just over 74 BTC](https://twitter.com/mononautical/status/1783528618720727288) |
| 101 | + |
| 102 | +## Mining |
| 103 | + |
| 104 | +- [Bitcoin Mining Pools Have Become Critically Centralized](https://www.tftc.io/bitcoin-mining-pool-centralization/) |
| 105 | +- [Pools sharing custodian](https://twitter.com/mononautical/status/1777686545715089605) |
| 106 | +- [Pools sharing the same block template](https://twitter.com/0xB10C/status/1780611768081121700) |
| 107 | +- [Marathon Slipstream lets you submit non-standard transactions directly to their node](https://slipstream.mara.com/) |
| 108 | +- [Introducing Lightning Payouts](https://pool.braiins.com/en/news/introducing-lightning-payouts) |
| 109 | + |
| 110 | +## Token Layer |
| 111 | + |
| 112 | +- [Taproot Assets Edge Nodes](https://docs.lightning.engineering/lightning-network-tools/taproot-assets/edge-nodes) |
| 113 | +- [OP_CAT BIP](https://github.com/bip420/bip420?tab=readme-ov-file) |
| 114 | +- [OP_CAT is assigned BIP 347](https://twitter.com/roasbeef/status/1783197750949257436) |
| 115 | +- [The Runes Protocol](https://docs.ordinals.com/runes.html) |
| 116 | +- [Spaces Protocol: Scalable & Permissionless Bitcoin Identities](https://spacesprotocol.org/) |
| 117 | +- [BitVM 2: Opening Up The Playing Field](https://bitcoinmagazine.com/technical/bitvm-2-opening-up-the-playing-field) |
| 118 | +- [First BitVM transaction mined](https://mempool.space/tx/d8a091a7f5ffa4993681b3df688968fd274bc76897b8b3953309ffad6055f4b0) |
| 119 | +- [Cashu Gateways](https://damus.io/nevent1qqsfakvg9fwttxp6y2fp0n0nmrgnguac63h3lf4pxafetrhms85yv5spz4mhxue69uhhyetvv9ujuerpd46hxtnfduhszxrhwden5te0dehhxarj9enx6apwwa5h5tnzd9az7qg7waehxw309ahx7um5wgkhqatz9emk2mrvdaexgetj9ehx2ap0qyvhwumn8ghj7un9d3shjtnndehhyapwwdhkx6tpdshsssnezh) |
| 120 | +- [LRC-20](https://github.com/akitamiabtc/LRC-20/blob/main/LRC_20_V0.1.pdf) |
| 121 | + |
| 122 | +## Regulatory |
| 123 | + |
| 124 | +- [DOJ’s New Stance on Crypto Wallets is a Threat to Liberty and the Rule of Law](https://www.coincenter.org/dojs-new-stance-on-crypto-wallets-is-a-threat-to-liberty-and-the-rule-of-law/) |
| 125 | +- [Founders And CEO Of Cryptocurrency Mixing Service Arrested And Charged With Money Laundering And Unlicensed Money Transmitting Offenses](https://www.justice.gov/usao-sdny/pr/founders-and-ceo-cryptocurrency-mixing-service-arrested-and-charged-money-laundering) |
| 126 | +- [Phoenix Wallet exiting the US](https://twitter.com/jack/status/1783884776086409393) |
| 127 | +- [Are Lightning nodes Money Service Providers](https://twitter.com/acinq_co/status/1783878732865740940) |
| 128 | +- [Bull Bitcoin requires full KYC for buying Bitcoin at Canada Post](https://twitter.com/francispouliot_/status/1774840970841874438) |
| 129 | +- [Lightspark Gets Debanked by Bill.com](https://www.nobsbitcoin.com/lightspark-gets-debanked-by-bill-com/) |
| 130 | +- [zkSNACKs is Now Blocking U.S. Residents and Citizens](https://blog.wasabiwallet.io/zksnacks-now-blocking-u-s-residents-and-citizens/) |
| 131 | +- [Binance Founder Sentenced to 4 Months in Prison](https://www.nytimes.com/2024/04/30/technology/binance-founder-changpeng-zhao-sentenced.html) |
| 132 | +- [Early Bitcoin Investor Roger Ver Charged with Tax Fraud](https://www.justice.gov/opa/pr/early-bitcoin-investor-charged-tax-fraud) |
| 133 | + |
| 134 | +## (Central Banking) Banking Crisis |
| 135 | + |
| 136 | + |
| 137 | + |
| 138 | +## New Releases |
| 139 | + |
| 140 | +- [Coinbase integrates the Lightning Network with Lightspark](https://www.coinbase.com/blog/coinbase-integrates-bitcoins-lightning-network-in-partnership-with) |
| 141 | +- [Introducing Casa Inheritance: Secure your generational wealth](https://blog.keys.casa/introducing-casa-inheritance/) |
| 142 | +- [LNURL for self-sovereign phoenixd](https://primal.net/e/note1tujvj50j76rhwts5tf6ud2fxdg9n8gyw8z7tsnwp4fsweg4xzt5sa7590u) |
| 143 | +- [Sulu solutions releases Sparkwall](https://twitter.com/sulusolutions/status/1777776940134408442) |
| 144 | +- [LLM Inference APIs with Lightning](https://www.sulu.sh/llm402) |
| 145 | +- [Kraken launches self-custodial mobile wallet and releases its open-source code](https://www.theblock.co/post/289448/kraken-launches-self-custodial-mobile-wallet-and-releases-its-open-source-code) |
| 146 | +- [The Bitcoin Scholarship](https://bitcoinscholarship.xyz/) |
| 147 | +- [Bitcoin Holiday Calendar](https://bitcoin.holiday/) |
| 148 | +- [Neutronpay expands throughout South-east Asia](https://twitter.com/neutronpayapp/status/1783119464932016399) |
| 149 | +- [Block lets Square merchants convert a part of their daily sales to bitcoin](https://techcrunch.com/2024/04/24/block-now-lets-square-merchants-convert-a-part-of-their-daily-sales-to-bitcoin/) |
| 150 | +- [Perfect forward secrecy is coming to Nostr](https://twitter.com/jb55/status/1785280982226190588) |
| 151 | + |
| 152 | + |
| 153 | +## Events and Podcasts |
| 154 | + |
| 155 | +- [MIT Bitcoin Expo '24 recording](https://web.mit.edu/webcast/bitcoin-expo-s24/) |
| 156 | + |
| 157 | +## Miscellaneous |
| 158 | + |
| 159 | +- [Satoshi’s 2014 Email Hack](https://blog.bitmex.com/satoshis-2014-email-hack/) |
| 160 | +- [The Untold Story of ditto-b](https://blog.lopp.net/the-untold-story-of-ditto-b/) |
| 161 | +- [Notes on El Salvador](https://mattlakeman.org/2024/03/30/notes-on-el-salvador/) |
| 162 | +- [How to Dictator-Proof Your Money](https://journalofdemocracy.org/online-exclusive/how-to-dictator-proof-your-money/) |
| 163 | +- [Vancouver discussion on Stacker News](https://stacker.news/items/519353) |
| 164 | +- [He Emptied an Entire Crypto Exchange Onto a Thumb Drive. Then He Disappeared](https://www.wired.com/story/faruk-ozer-turkey-crypto-fraud/) |
| 165 | +- [The Deaths of Effective Altruism](https://www.wired.com/story/deaths-of-effective-altruism/) |
| 166 | +- [Anatomy of a credit card rewards program](https://www.bitsaboutmoney.com/archive/anatomy-of-credit-card-rewards-programs/) |
| 167 | +- [B.C. files unexplained wealth order against co-founder of defunct crypto exchange Quadriga](https://www.theglobeandmail.com/canada/article-bc-files-unexplained-wealth-order-against-co-founder-of-defunct-crypto/) |
| 168 | +- [‘I want to be like bitcoin jesus’: Court documents reveal how the Quadriga crypto scandal unfolded](https://www.theglobeandmail.com/business/article-quadrigacx-crypto-scandal/) |
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