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§01 · EVENT BADGES

20 editions attended.

🏴‍☠️ ’26
Berlin payments edition
📜 ’26
Toronto consensus edition
🦒 ’26
Nairobi open source edtion
🏛️ ’26
Vienna economics edition
🦫 ’26
Vegas villain edition
🔑 ’26
Floripa exploits edition
🧨 ’25
Taipei sovereignty edition
✴️ ’25
Durham NC local edition
⚡ ’25
Berlin lightning edition
🌉 ’25
Istanbul scaling edition
⛪ ’25
Riga privacy edition
👙 ’25
Austin mempool edition
🌴 ’25
Floripa hack+play edition
🥷 ’24
Berlin e-cash edition
📜 ’24
Austin bitcoin script edition
🤝 ’24
Buenos Aires payments edition
💊 ’23
Berlin nix-edition
🍰 ’23
Austin layer-2 edition
🥊 ’22
CDMX onchain privacy edition
🧑‍🏫 ’22
Austin learn me a bitcoin edition

§02 · TALKS & PANELS

On stage.

Full archive →
panel · Nairobi 2026

Working on Bitcoin

We invite contributors to bitcoin-core to tell us about their journey working in public.

1h agenda ▶ watch
keynote · Floripa 2026

Warnet Kickoff

Round robin hackathon judging session. Finalists will be announced after the debate.

15m agenda
panel · Floripa 2026

Hacking Bitcoin: Q&A w/ Jao + nifty

Come bring your questions about breaking bitcoin with master capture the bitcoin hacker Jao Noctus

30m agenda ▶ watch
panel · Taipei 2025

State of User Sovereignty

We sit down with some wallet legends to talk about the state of sovereignty in the bitcoin self-custody space

45m agenda ▶ watch
hackathon · Taipei 2025

Hackathon Finals

Who will take home the top sats? Join us for the hackathon finals presentation where the teams advancing out of the expo compete to win bitcoin++’s first sovereignty hackathon

45m agenda ▶ watch
hackathon · Taipei 2025

Hackathon Judging Expo

First round of hackathon judging. Judges will walk around between all projects in a science fair style exposition. Top projects will advance to participate in the finals presentation on the last day.

1h 15m agenda
talk · Taipei 2025

Silent Payments, Output Descriptors

Craig Raw has proposed a new BIP for how to express silent payments as output descriptors. This is a report on the new BIP and what silent payments are.

30m agenda ▶ watch slides
workshop · Berlin 2025

Early Bird Sessions: Bitcoin at Work(shop)

Formerly known as the Bitcoin LARP, join us for a Bitcoin Work(shop) where we walk through how nodes work in real time.

2h agenda
talk · Austin 2025

Panel: bitcoin-core, mempools and beyond

Join a subset of bitcoin-core devs to talk about current dev priorities for the bitcoin project, how the mempool changes will impact the network, and what’s currently on their radar

1h agenda
talk · Austin 2025

Mempools are Obsolete

niftynei explains why mempools are obsolete and what we can do about it.

30m agenda slides
hackathon · Floripa 2025

Hackathon Kickoff

Rules and regulations for the hackathon

30m agenda
workshop · Floripa 2025

Base58’s Bitcoin at Work(shop)

Formerly known as the LARP, this two hour workshop will answer the question: 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.

2h agenda
talk · Berlin 2024

Ecash: New Frontiers in Privacy

Ecash can improve privacy and connectivity. Is it worth the loss of control of custody?

1h 15m agenda ▶ watch
talk · Austin 2024

sigops more like sigoops

Does Bitcoin have gas fees? No but there are limits to execution built-in to the scripting system. In this talk, we’ll get into how Bitcoin measures and rate-limits CPU usage of scripts by talking about the sigops limit!

45m agenda ▶ watch slides
workshop · Buenos Aires 2024

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.

2h agenda
keynote · Buenos Aires 2024

The Power of Getting Paid

How is paying for things with Bitcoin revolutionizing the world?

20m agenda
talk · Austin 2023

Base58's Transactions Deep Dive

nifty walks you through how bitcoin transactions work, a super abbreviated part of the Base58's transactions deep dive course.

30m agenda slides
talk · CDMX 2022

Let's Talk About Dual-Funding: Protocol Overview

Wouldn’t it be cool to be able to have ‘payjoins’ in lightning? Let’s talk about how this works. Speaker twitter: https://twitter.com/niftynei Event Schedule: https://bitcoincdmx2022.sched.com/event/1EwjT/lets-talk-about-dual-funding-protocol-overview btcpp website: https://btcplusplus.dev/ btcpp twitter: https://twitter.com/btcplusplus Recorded at btcpp cdmx, 9 Dec 2023 at the Hotel Benidorm, Roma Norte, Mexico City.

30m agenda ▶ watch
talk · Austin 2022

Lightning Liquidity Deep Dive

nifty talks about liquidity ads, the price of anarchy, and a new proposal for how to publish lightning channel liquidity Lisa: https://twitter.com/niftynei https://btcpp2022.sched.com/event/12P7O/lightning-liquidity-deep-dive

35m agenda ▶ watch slides
whois/niftynei records: public · permanent