bitcoin++ Buenos Aires 2024, payments edition

keynote

The Power of Getting Paid

niftynei

Time

Thu, Feb 22 · 1:00 PM – 1:20 PM

Location

Main Stage

Type

keynote

Duration

20m

How is paying for things with Bitcoin revolutionizing the world?

Speakers

niftynei

bitcoin++

X Nostr GitHub Instagram Website

talk

State of Async Payments

Valentine Wallace

Time

Thu, Feb 22 · 1:30 PM – 2:15 PM

Location

Main Stage

Type

talk

Duration

45m

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.

Speakers

Valentine Wallace

Spiral

X GitHub

workshop

Connecting Bitcoin Payment Layers

Michael

Time

Thu, Feb 22 · 2:15 PM – 3:15 PM

Location

Main Stage

Type

workshop

Duration

1h

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

Speakers

Michael

Boltz

X GitHub

talk

Navigating Regulation for Lightning Companies

Jesse Shrader

Time

Thu, Feb 22 · 4:00 PM – 4:50 PM

Location

Main Stage

Type

talk

Duration

50m

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.

Speakers

Jesse Shrader

AMBOSS Technologies

X Nostr GitHub Website

talk

Mostro: Bitcoin P2P without single point of failure

Francisco Calderón

Time

Thu, Feb 22 · 5:00 PM – 5:30 PM

Location

Main Stage

Type

talk

Duration

30m

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.

Speakers

Francisco Calderón

Mostro

X Nostr GitHub Website

talk

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

Michael Blankenship

Time

Thu, Feb 22 · 5:30 PM – 6:00 PM

Location

Main Stage

Type

talk

Duration

30m

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."

Speakers

Michael Blankenship

Blockstream

X Nostr GitHub

talk

Unjamming Lightning

Carla Kirk-Cohen

Time

Thu, Feb 22 · 6:30 PM – 7:15 PM

Location

Main Stage

Type

talk

Duration

45m

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.

Speakers

Carla Kirk-Cohen

Chaincode Labs

X GitHub

talk

LaWallet: a NOSTR-Backed Lightning Wallet

Mariano Perez Rodriguez

Time

Thu, Feb 22 · 7:20 PM – 7:45 PM

Location

Main Stage

Type

talk

Duration

25m

"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.

Speakers

Mariano Perez Rodriguez

La Crypta

X GitHub

talk

Next-Gen Auto-Pilot for Lightning Nodes

Vincent

Time

Thu, Feb 22 · 1:30 PM – 2:15 PM

Location

Talks Stage

Type

talk

Duration

45m

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.

Speakers

Vincent

AMBOSS Technologies

X GitHub

talk

Flash: Connecting the Caribbean

Dread

Time

Thu, Feb 22 · 2:15 PM – 3:00 PM

Location

Talks Stage

Type

talk

Duration

45m

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

Speakers

Dread

Flash

X Nostr GitHub

workshop

Lightning Live with LNPlay

farscapian

Time

Thu, Feb 22 · 4:00 PM – 5:00 PM

Location

Talks Stage

Type

workshop

Duration

1h

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!

Speakers

farscapian

LNPlay

X Nostr GitHub Website

talk

Hashrate and privacy

Nico Preti

Time

Thu, Feb 22 · 5:00 PM – 5:30 PM

Location

Talks Stage

Type

talk

Duration

30m

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.

Speakers

Nico Preti

Rigly.io

X GitHub

talk

BDK v1.0

Evan Lin

Time

Thu, Feb 22 · 5:30 PM – 6:00 PM

Location

Talks Stage

Type

talk

Duration

30m

How are we redesigning BDK and why.

Speakers

Evan Lin

BDK

X Nostr GitHub

workshop

Create a very simple Mostro client

Francisco Calderón

Time

Thu, Feb 22 · 6:30 PM – 8:00 PM

Location

Talks Stage

Type

workshop

Duration

1h 30m

Following Mostro specs we will create a very simple Mostro client to understand how it works Install NodeJS (https://nodejs.org/en/download) * Install rust language (https://www.rust-lang.org/tools/install)

Speakers

Francisco Calderón

Mostro

X Nostr GitHub Website

workshop

NFC you soon!

Ben Woosley

Time

Thu, Feb 22 · 1:30 PM – 2:15 PM

Location

Workshops Stage

Type

workshop

Duration

45m

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

Speakers

Ben Woosley

Bitcoin Core

X GitHub

workshop

Sync a new full node in less than an hour

Hernan

Time

Thu, Feb 22 · 2:15 PM – 3:00 PM

Location

Workshops Stage

Type

workshop

Duration

45m

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

Speakers

Hernan

Bitcoin Dev

X

workshop

Quick guide to assets on liquid

Pablo Greco

Time

Thu, Feb 22 · 4:00 PM – 5:00 PM

Location

Workshops Stage

Type

workshop

Duration

1h

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

Speakers

Pablo Greco

Blockstream // Liquid

X

talk

Geyser: making Bitcoin easy for creators

Stelios

Time

Thu, Feb 22 · 5:00 PM – 5:30 PM

Location

Workshops Stage

Type

talk

Duration

30m

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.

Speakers

Stelios

Geyser

X GitHub

talk

Let's Talk About Bitcoin-Core Contributions

Furzy

Time

Thu, Feb 22 · 5:30 PM – 6:00 PM

Location

Workshops Stage

Type

talk

Duration

30m

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).

Speakers

Furzy

bitcoin-core

GitHub

Time

Thu, Feb 22 · 6:30 PM – 7:45 PM

Location

Workshops Stage

Type

workshop

Duration

1h 15m

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.