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SUPPORTING OUR OPEN SOURCE CONTRIBUTORS

Our greatest asset as bitcoiners is the blossoming open source community that makes this movement possible.

Open source software empowers individuals around the world while remaining independent of governments and large corporations who continuously attempt to track, censor, and control us. Many of these projects are not run for profit and do not have large budgets supporting them. Instead, they rely on an ever increasing network of individuals worldwide who contribute time and energy to build them out, often without compensation. 

With Bitcoin 2023 we aim to facilitate the best and largest bitcoin focused event every year which is both accessible and welcoming to newcomers while remaining true to the bitcoin and open source ethos. With this mission in mind, it is clear we must support open source contributors and projects however we can.

Contributors of the projects below with a commit prior to Nov 1 2022 can verify their commits and apply for a free three day pass below. Note that previously purchased passes are non-refundable, but may be transferred.

Apply Now

Order is alphabetical and unranked.

Wallets

Alby

A browser extension to bring the Bitcoin Lightning Network to the browser.

Bitcoin Beach Wallet

A community focused wallet that has an easy interface that relies on a multisig custodian with keys held by trusted community members.

Blixt Wallet

Bitcoin Lightning Wallet with focus on usability and user experience

Blue Wallet

A powerful mobile wallet available on both android and iphone that is both easy to use and has power user features including multisig.

Breez Wallet

An easy to use lightning wallet available on android and iphone that includes podcasting 2.0 and point of sale capability.

Electrum

A powerful desktop wallet that can be used in a variety of different ways including with hardware wallets, multisig, and lightning.

FullyNoded

Self sovereign, secure, powerful, easy to use wallet that utilizes your own Bitcoin Core node as a backend. Providing an easy to use interface to interact with your nodes non wallet capabilities.

Mercury Wallet

A privacy focused wallet that uses a concept called statechains to enable users to swap bitcoin off chain with minimal fees.

Muun Wallet

An extremely easy to use mobile wallet on both android and iphone that works with both traditional bitcoin payments and lightning.

Samourai Wallet

A privacy focused android wallet that makes it easy to use collaborative transactions to improve privacy on chain. Samourai also makes it easy to use your own node with a QR code pairing process and Tor.

Sparrow Wallet

A full featured desktop wallet that is compatible with electrum servers. Works with all major hardware wallets, including multisig configurations, and has built in paynym, payjoin, and whirlpool coinjoin support.

Specter Wallet

A desktop wallet that makes it easy to use any hardware wallet with your own node, including multisig configurations.

Wasabi Wallet

Open-source, non-custodial, privacy focused Bitcoin wallet for Windows, Linux, and Mac. Built-in Tor, CoinJoin, and coin control features.

Zeus

The easiest way to interact with your own lightning full node on android and iphone.

phoenix

Phoenix is a Bitcoin wallet developed by ACINQ, that allows you to send and receive bitcoins securely over the Lightning Network. It is self-custodial, which means that you hold the keys of the wallet. It provides a simple and clean UX. Thanks to native Lightning support, payments are faster and cheaper.

Utilities

BTCPay Server

Accept bitcoin for goods and services easily and reliably.

Bisq

A decentralized exchange that allows you to trade bitcoin for dollars, euros, or shitcoins directly with another person without providing intimate personal information to an exchange.

Bitcoin Core

The reference client and backbone of the bitcoin network - both a node and a wallet.

Braiins OS

Cutting-edge firmware with an implementation of Stratum V2 and mining software written from scratch in Rust.

Electrs

An easy and performant way to use your own bitcoin node with a variety of wallets and tools. Electra is built into most dedicated full node implementations.

Immortan

A minimal, privacy-focused, opinionated LN protocol implementation aimed to specifically power lite LN nodes which are mostly to be found on mobile phones or desktop computers and only run private channels.

Jam

Jam is a web interface for JoinMarket focusing on user-friendliness and ease-of-use. It aims to provide sensible defaults and be easy to use for beginners while still having the features advanced users expect.

LNBits

A platform that makes it easy to integrate lightning in a wide variety of situations.

Mempool

A direct view on the current state of the bitcoin network that can be easily used with your own node.

RaspiBlitz

A bitcoin full node implementation that makes it easy to use lightning and joinmarket.

RoninDojo

A bitcoin full node implementation that supports electrum and easy samourai wallet integration via QR code and Tor.

Hardware

Nodl

A powerful yet easy to run 24/7 bitcoin node.

Seedsigner

A hardware wallet with a screen and camera that you can build yourself for ~$50. If you want a larger screen and smart card support you can build a Specter-DIY for ~$250.

Frameworks

Bitcoin Dev Kit

A library that allows you to seamlessly build cross-platform Bitcoin wallets without worrying about bitcoin internals.

Core Lightning

One of the major lightning implementations that leverages plugins to give you additional features and control.

Joinmarket

A decentralized coinjoin implementation that provides users additional privacy through the construction of collaborative transactions without a centralized server.

LDK

A library that allows you to build a lightning node without worrying about implementing low-level lightning logic correctly. LDK is based on Rust-Lightning, a full-featured but also incredibly flexible lightning implementation, allowing you to decide how to use it.

LND

The most popular lightning network implementation currently available.

Nix-Bitcoin

A collection of Nix packages and NixOS modules for easily installing full-featured Bitcoin nodes with an emphasis on security

acinq

lightning-kmp is a Kotlin Multiplatform implementation of the Lightning Network optimised for mobile wallets. It can run on many platforms, including mobile devices.

nostr

A decentralized network based on cryptographic keypairs and that is not peer-to-peer, it is super simple and scalable and therefore has a chance of working.

Non-bitcoin

Tor

A network focused on preventing surveillance and censorship that is often used by bitcoin projects.

How to Apply

1. Fill out the Typeform application below

2. Submit an issue to this repo and explain why you are excited to attend

3. Over the next 30 days, we will be reviewing submissions and sending out e-tickets