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Bitcoin Socratic Seminar #15

• Topics: https://atlantabitdevs.org/2023/02/21/bitcoin-socratic-seminar-15/

Ordinals

• P2TR txs taking off!
  • https://twitter.com/murchandamus/status/1624834282534449153
  • Almost no one was using P2TR before ordinals
    • context: TR = taproot
    • TR was the softfork added to bitcoin ~2 years ago
• it was deemed so important and such an obvious win for bitcoin that it took precedence over other BIPs

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Chaincode Labs Seminar Application Exercises

Bitcoin Protocol Development

Tasks:

• Compile Bitcoin Core
• Run the unit and functional tests
• In example_test.py, get node 1 to mine another block, send it to node 2, and check that node 2 received it.

Explanation:

• Following the logic of run_test, I created a new function called run_extra_test to complete this task.

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Web5

What is Web5?

• a Decentralized Web Platform (DWP)
• an open source decentralized web platform containing various components implemented using W3C & DIF standards
• provides new identity layer for the web
• identity layer enables decentralized apps and protocols

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DIY: Hybrid Lightning Node - Mainnet & Testnet

The goal of this gist is to provide the pleb community with an easy to follow guide for how to setup a lightning node that runs on both Mainnet and Testnet at the same time. This guide will also walk you through setting up your node in "hybrid mode" (i.e. clearnet + tor) and installing Tunnel SATS for your static clearnet IP.

Acknowledgments: Parts of this guide were taken from the Run-LND repo by Alex Bosworth.

Example commands are given from the perspective of running Ubuntu on a Raspberry Pi.

Table of Contents

• DIY: Hybrid Lightning Node - Mainnet & Testnet
• Table of Contents

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Bitcoin Reading Group: Onion Messages Demystified

October 25, 2022

Topic: LDK Onion Messages & bolt12 [link]

• LDK merges support for onion messages
• Onion messages are a precursor to bolt12 offers
• Step towards deprecating support for bolt11 in favor of offers
• What are Onion Messages?
  • Simple messages sent btwn peers via onion routing (TOR)
• Can be sent via blinded routes

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Atlanta BitDev Socratic Seminar #12

October 12, 2022 - TAB Conf Edition

Topics

1. LDK signals support for bolt12 [link]
   • LDK merges support for onion messages
   • Onion messages are a precursor to bolt12 offers
   • Step towards deprecating support for bolt11 in favor of offers

• What do onion messages do?

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• BIP Taro Flat File Proof Format

What does this BIP do?

• Defines a standardized way to package Taro asset proofs

What is a Flat File Proof?

• Flat File => plain text (.txt, .csv) or binary format
• Proof => contains data attesting to the taro assets in question

1. Bitcoin merkle proof: https://en.bitcoinwiki.org/wiki/Merkle_tree

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These are the trivia questions from the BitDevs Socractic Village at TABconf. Looking up answers was not allowed during trivia game

Easier Questions

1. What number does a P2SH address start with?

2. What signature scheme comes with Taproot?

3. How many blocks are in each difficulty period?

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public class Car {
 //private variables 
 private String color;
 private int maxSpeed;

 public void carInfo() {
  System.out.println("Car Color= " + color + " Max Speed= " + maxSpeed);
 }

 public void setColor(String color) {