The Power of Getting Paid

How is paying for things with Bitcoin revolutionizing the world?

State of Async Payments

Mobile wallets on the Lightning Network face a critical limitation: they must be online to receive payments. But imagine if wallets could receive payments even when offline for weeks or months at a time? Enter async payments, an innovative protocol arriving on the Lightning Network this year. Join us as we discuss its current status, future, and plans for integration into wallets.

Next-Gen Auto-Pilot for Lightning Nodes

When can lightning be fully automated? This talk will showcase our progress towards the next-gen autopilot for the Lightning Network, abstracting away channel management and ensuring payment reliability.

NFC you soon!

We'll survey the state of NFC apis, and work through / demonstrate integration into an open source bitcoin wallet.

Connecting Bitcoin Payment Layers

This workshop introduces the technical concepts underpinning the connection of different Bitcoin payment layers via atomic swaps followed by a hands-on code demo.

Flash: Connecting the Caribbean

Flash is Connecting the Caribbean with a Hybrid Custody Wallet, and focused on accessibility and usability for everyone.

Sync a new full node in less than an hour

This describes the ideas behind the "AssumeUTXO" functionality of bitcoin core, which allows you to fast sync a new full node.

Navigating Regulation for Lightning Companies

Lightning is disruptive technology that the world needs, but how can we prevent it from being stymied by regulators? This talk shows how to answer regulator concerns without compromising the technology.

Lightning Live with LNPlay

LNPlay allows you to create closed regtest Lightning Network environments which are useful for Lightning development and educational settings. In this workshop, we will review the architecture and features of LNPlay and how you can deploy and configure an instance of your own. Finally, participants will get to play with an LNPlay instance to see what's it all about!

Quick guide to assets on liquid

A simple guide through the RPCs needed to issue and trade your own assets in liquid

Mostro: Bitcoin P2P without single point of failure

72% of the world's population lives under authoritarianism, and money is a tool of control, persecution of dissidents, journalists and activists. In this scenario, we need to build KYC-free P2P solutions using censorship-resistant platforms to remove the single point of failure.

Hashrate and privacy

Hashrate payments provide better privacy than traditional mixers, but mined bitcoin is a scarce, concentrated resource. This talk will look at how to use multisig in tandem with the stratum protocol to safely deliver privacy.

Geyser: making Bitcoin easy for creators

Limited access to banking, and costly international transactions, make it difficult for creators around the world to receive support from their online community. Bitcoin and Lightning fix this, but the technology can still be challenging to use for creators. Geyser is on a mission to make it easy for any creator to start raising funds with Bitcoin. Join this talk to learn how Geyser leveraged Lightning addresses to enable creators around the world to begin raising funds for their ideas with Bitcoin.

Lightning Strikes Reality: The Harsh Truths of Cross Border Fiat Payments on Bitcoin

Bitcoin fixes everything, right? We examine Bitcoin and the Lightning Network in cross-border fiat transactions, delving into BTC and fiat liquidity issues and their influence on transaction cost and speed. We uncover the broader economic and regulatory factors affecting crypto in remittances and payments. Join us for an insightful examination of the true challenges in scaling Bitcoin "as a rail."

BDK v1.0

How are we redesigning BDK and why.

Let's Talk About Bitcoin-Core Contributions

Whether you're an experienced developer, a curious enthusiast, or someone considering their first steps in open-source collaboration, this talk invites you to join a friendly and chill conversation. We'll explore the behind-the-scenes of Bitcoin-Core contributions, sharing stories, insights, and practical tips to navigate this dynamic landscape. (Depending on the attendees, this talk could be conducted in English or Spanish).

Unjamming Lightning

Channel jamming attacks are one of the longest-known unsolved problems in lightning. This talk will cover the proposal to use a combination of local reputation and upfront fees to combat denial of service attacks against LN. It will assume basic understanding of the attack, and focus on the technical details of the solution and meta process of fixing the network's oldest outstanding vulnerability.

Create a very simple Mostro client

Following Mostro specs we will create a very simple Mostro client to understand how it works Install NodeJS (

Building an LN app with LUD-21 Integration

LUD-21 proposes the addition of currencies to LNURL's payRequest, allowing for various applications, such as invoicing in foreign currencies and creating a remittance-like experience. In this workshop, we will create a simple application that implements the functionalities required by a Lightning wallet to support this feature.

LaWallet: a NOSTR-Backed Lightning Wallet

"How can Lightning reach the whole world? How can non-tech-savvy users be on-boarded? How can familiar payment UXs be leveraged? How can NOSTR help us be shamelessly transparent?" These were the questions we tried to answer with LaWallet: an Open Source, transparent, custodial, Lightning wallet, with built-in BoltCard support. Join us as we visit the inception, design rationale, protocols, and future extensions of this modular machine.

Scaling Bitcoin: Two-way-pegs

Sergio Lerner talks about how layer-twos help scale bitcoin from oracles to Bitvm and beyond 🚀

Fun with Lightning - How to Win Every Bitcoin Hackathon

Pt. 1 - Talk: Project showcase & guide on how to turn an idea into a winning hackathon project Pt. 2 - Workshop: Setting up a template hackathon project

Getting started with Greenlight

In this workshop we'll be going over the general workings of non-custodial lightning with Greenlight and how to stand up a local test environment to develop with. We'll cover all aspects of registering, scheduling, and managing a node as well as how to expand our usage to a large-scale, multi-user application.

Writing Your First CLN Plugin

Tired of going to talks about how you might get started with Lightning development, but never actually following through? Want to start making a difference and helping the Lightning Network become what it was meant to be? Then this class is for you! By the end of this one-hour workshop, you will have made your own Core-Lightning plugin, from start to finish.

Build Better on Bitcoin with Rootstock

Rootstock is building a better bitcoin future with their smart contracting language. Come learn about how you can put together the best project with RSK and win the hackathon.

Hackathon

Base58 World Famous Bitcoin LARP

How does bitcoin work? What’s a bitcoin transaction? In this fast paced, group game we’ll make transactions, and build blocks. Will your node mine the most bitcoin? Come find out.

Hackathon

Hackathon

Presentations

Hackathon Awards

Closing