Summer of Bitcoin Blog

Summer of Bitcoin 2026: Announcing the Next Generation of Bitcoin Builders

Summer of Bitcoin 2025: Announcing the Next Generation of Bitcoin Builders

Summer of Bitcoin 2024 Results Announced!

Bitcoin Dreams Come True: 45 Students from 8 Countries Selected for Summer of Bitcoin 2023!

Summer of Bitcoin 2022 results announced!

Summer of Bitcoin - Liftoff!

Introducing a global, online summer internship program focused on introducing university students to bitcoin open-source development and design.

I Tried Nostr. It's Weird, Open, and Maybe the Future?

A Beginner's Guide to Contributing to Core Lightning

Beginner's Guide to Testing Bitcoin Core

Writing Unit Tests and Fuzz Testing

PurrSettle: A Deep Dive into Bitcoin Zero-Confirmation Transactions

A Beginner's Guide to Contributing to Utreexo

Utreexo: A Deep Dive into Improving Bitcoin's Scalability

A Beginner's Guide to Contributing to LDK Node

Unit Testing BIP21 URIs in LDK-Node: A Deep Dive

Building the Receive Functionality for BIP21 URIs in LDK-Node: A Technical Deep Dive

Bringing Browser Compatibility and ESM Support to BitcoinJS

Implementing BIP21 QR Support in LDK Node: A Project Overview

A Deep Dive into P2PKH Transactions

A Technical Deep Dive into RBF Implementation for Caravan

A Deep Dive into Bitcoin Fee Management with Caravan

A Beginner's Guide to Setting Up an Eclair Lightning Node

What is PyASIC?

Building a Super Private P2P On-Chain Pipeline for RoboSats with Taproot: A Final Evaluation

Let's break new ground: Create an iOS Demo wallet with BDK

Demystifying the Lightning Development Kit: A Beginner's Guide to Contributing

LNURL: A Protocol for Easy Communication between Lightning Wallets and Services

Onboarding to Bitcoin Open Source Development

Utreexo: Writing tests for Partial Pollards

How to Contribute In The Design Track of Summer of Bitcoin

The Engineering Marvel of Bitcoin: Partially Signed Transactions

Rust-Miniscript's Planning Module: Efficient Bitcoin Transactions

Bitcoin Light Clients Explained: A Beginner's Guide to Neutrino

The Fuzz Developer Dilemma — Writing Efficient Fuzz Targets

Lightning Watchtowers and how to set up your own using Eye of Satoshi

Coin Selection for Dummies: Part 5 - Waste Metric

Coin Selection for Dummies: Part 4 - Lowest Larger Selection

Coin Selection for Dummies: Part 3 - Knapsack Solver

What is WebLN?

Coin Selection for Dummies: Part 2-Branch and Bound Coin Selection

Coin Selection for Dummies: Part 1-Overview

Miniscript Policy & Descriptors - Hidden Powers of Bitcoin

Big Integer Arithmetic in C - Part 1

Let's learn how to add large numbers that cannot be stored in a standard integer type provided by the C language.

Playing with Bitcoin CLI and Running a Full Node on MacOS

A beginner's guide.

Coin Selection for Dummies: Part 5 - Waste Metric

Improving coin selection in BDK

Coin Selection for Dummies: Part 4 - Lowest Larger Selection

Coin Selection for Dummies: Part 3 - Knapsack Solver

Coin Selection for Dummies: Part 2-Branch and Bound Coin Selection

Coin Selection for Dummies: Part 1-Overview

Segment Trees in Lightning networks!

A Beginner's Guide to Setting Up an Eclair Lightning Node

Beyond Code: Life Lessons from My Summer of Bitcoin 2023 Journey

LNURL: A Protocol for Easy Communication between Lightning Wallets and Services

Probing the Layer 2 Bitcoin Lightning Network: Unveiling the Power of Payment Probes

The Eye of Satoshi: Your Personal Bodyguard for Lightning Network Transactions

Lightning Network's Monetary Evolution

Break, Build, Repeat: Designing a Lightning Wallet That Actually Makes Sense

Lightning Watchtowers and how to set up your own using Eye of Satoshi

What is WebLN?

Improve BDK Wallet Balance Interface and Related Methods

From a $500 Hackathon to Bitcoin Open Source: My Summer with BDK

Hardening the Stable Channels iOS Wallet: From Prototype to Production

So you want to persist your BDK wallet?

Let's break new ground: Create an iOS Demo wallet with BDK

Speaking Bitcoin's Language: How I Localized a Wallet for French Speakers Worldwide

My Summer of Bitcoin experience with BDK

Improving coin selection in BDK

Shipping the DMND miner dashboard: my Summer of Bitcoin 2026 final report

Running Bitcoin's Fuzzer Without Watching It

One Relay for Every OS: Breaking strfry Out of Linux

Making Rust a First-Class Target for ContextVM

From Bitcoin Data to Live Mining: Building the Braidpool Dashboard

Teaching a Nostr Relay to Say No: Building nostream's Access Layer

Building an Android CoinSwap Taker: My Summer of Bitcoin Final Report

My Summer of Bitcoin Journey with Kern

From a $500 Hackathon to Bitcoin Open Source: My Summer with BDK

Building Reliable Real-Time Features for Flotilla: My Summer of Bitcoin 2026 Final Report

One Login to Nostr Them All

Building a Bitcoin Lightning Wallet for Android from Scratch

What Shopstr Taught Me About Real Open Source

What Building Escrow From Scratch Taught Me About Trust

Securing the SeedSigner ESP32 Port

Redesigning Shopstr: making a Bitcoin marketplace feel like one you'd actually use

Hardening the Stable Channels iOS Wallet: From Prototype to Production

From Protocol to Product: Routing Agentic Computation Over Nostr

Summer of Bitcoin: Building Scalable Infrastructure for Bitcoin Education and Knowledge Extraction

Redirects, Payments, and Shipping a Full Summer at ContextVM

My Summer Making Krux Easier to Use

How I Fit SeedSigner on a Screen

Closing the CI Test Gap: My Summer of Bitcoin Journey with Shopstr

Building smitebot: A Summer of Fuzzing Lightning

Implementing Read Permissions in strfry

Bringing Silent Payments to Krux: A Journey Across Two Summers

Infrastructure for the Fuzzer That Finds Bitcoin's Bugs

Building DMND's miner dashboard in the open: my Summer of Bitcoin 2026 midterm

Securing the SeedSigner ESP32 Port: Midterm Progress Update

Measuring ASmap and Learning How Fragile Open Source Really Is

From Rejection to Jam: My Summer of Bitcoin Journey So Far

Search and Reporting for the Decentralized Bitcoin Marketplace

Shrinking SDKs and Shipping Bundles: My First 6 Weeks at ContextVM

Escaping Rented Land: Routing Agentic Computation Over Nostr

A historic analysis of the topology of the Lightning Network

So you want to persist your BDK wallet?

What I’m Starting to Understand About Bitcoin

My Summer of Bitcoin 2025 Journey

My Summer of Bitcoin 2025 Journey with Alby

My Summer of Bitcoin 2025 Experience with Breez

How I got selected in Summer of Bitcoin'25

Getting into Summer of Bitcoin 2025

From Hackathons to Hashrates: My Journey into Computer → Blockchain → Bitcoin

Building AI-Powered Bitcoin Development Tools: My Mid-Term Journey in Summer of Bitcoin 2025

From Missteps to Mastery: Building Hashrate Distribution Logic in DMND

From ‘Oops, Wrong Link!’ to Saving Satoshi: My Bitcoin Design Summer Adventure

How I Cracked Google Summer of Code and Summer of Bitcoin

What It Really Takes to Get Into Summer of Bitcoin

How I YOLO’d My Way into Summer of Bitcoin: Chaotic but Glorious Journey

Cracking Summer of Bitcoin 2025

My Summer of Bitcoin 2024: A Concluding Reflection on My Journey with Coinswap

My Summer of Bitcoin 2024: A Reflection on Open Source, Communication, and Growth

My Summer of Bitcoin Journey: Contributing to Utreexo

My Summer of Bitcoin Journey: Reflections on Open Source, Git, and Remote Work

My Summer of Bitcoin Journey: Adding Standardized Pool Metrics to PyASIC

My Summer of Bitcoin Journey: The Evolution of Our Ideas - Chapter 3

My Summer of Bitcoin Journey: The Kickoff Call and Early Ideas - Chapter 2

My Summer of Bitcoin Journey: How I Got Selected - Chapter 1

A Deep Dive into the Caravan Project: My Summer of Bitcoin Journey

My Summer of Bitcoin Journey: Contributing to Jam and JoinMarket

A Guide to Getting In Summer of Bitcoin

From Learning to Contributing to Floresta

Building a Super Private P2P On-Chain Pipeline for RoboSats with Taproot

Midway Through Summer of Bitcoin: Reflections on Building with Coinswap and BDK

From Zero to Bitcoin Contributor with Blockcore

From Bitcoin Newbie to BitcoinJS Contributor

My Summer of Bitcoin Journey: A Deep Dive into Fedimint

Beyond Code: Life Lessons from My Summer of Bitcoin 2023 Journey

Summer of Bitcoin '23: Deep Dive into Utreexo

From Curiosity to Contribution: A Summer of Bitcoin Experience with Galoy CLI

Lightning Network's Monetary Evolution

My contribution to Stratum V2 as a Summer of Bitcoin student

Getting Started with Contributing to Utreexo: A Technical Guide

Reflecting on My Journey at Summer of Bitcoin

Break, Build, Repeat: Designing a Lightning Wallet That Actually Makes Sense

Speaking Bitcoin's Language: How I Localized a Wallet for French Speakers Worldwide

Unlocking Bitcoin's Power: My Summer Adventure Adding Output Script Descriptors to Bcoin

Making Bitcoin Wallets Work for Everyone: My UX Research Adventure in Accessibility

My Summer of Bitcoin experience with BDK

How did I Find Product Market Fit for a Decentralized Communication Platform based on Nostr

My Summer of Bitcoin Journey with Kern

Redesigning Shopstr: making a Bitcoin marketplace feel like one you'd actually use

My Summer Making Krux Easier to Use

Alternative SeedSigner UIs Across Display Constraints and Accessibility Modes: My Midterm Progress

From ‘Oops, Wrong Link!’ to Saving Satoshi: My Bitcoin Design Summer Adventure

How to Contribute In The Design Track of Summer of Bitcoin

Break, Build, Repeat: Designing a Lightning Wallet That Actually Makes Sense

Making Bitcoin Wallets Work for Everyone: My UX Research Adventure in Accessibility

Unlocking Bitcoin's Power: My Summer Adventure Adding Output Script Descriptors to Bcoin

A Beginner's Guide to Contributing to Core Lightning

Reflecting on My Journey at Summer of Bitcoin

My Summer of Bitcoin Journey: Contributing to Utreexo

A Beginner's Guide to Contributing to Utreexo

Utreexo: A Deep Dive into Improving Bitcoin's Scalability

Utreexo: Writing tests for Partial Pollards

Getting Started with Contributing to Utreexo: A Technical Guide

How Stratum V2 is setting a new standard for pooled mining

Comparing Stratum V1 and Stratum V2 for Mining (through benchmarks)

How I'm contributing to Stratum V2

My contribution to Stratum V2 as a Summer of Bitcoin student

Shipping the DMND miner dashboard: my Summer of Bitcoin 2026 final report

From Bitcoin Data to Live Mining: Building the Braidpool Dashboard

Building DMND's miner dashboard in the open: my Summer of Bitcoin 2026 midterm

How Stratum V2 is setting a new standard for pooled mining

Comparing Stratum V1 and Stratum V2 for Mining (through benchmarks)

How I'm contributing to Stratum V2

My contribution to Stratum V2 as a Summer of Bitcoin student

Cracking Summer of Bitcoin 2025

From Curiosity to Contribution: A Summer of Bitcoin Experience with Galoy CLI

Beginner's Guide to Testing Bitcoin Core

Writing Unit Tests and Fuzz Testing

Summer of Bitcoin '23: Deep Dive into Utreexo

The Fuzz Developer Dilemma — Writing Efficient Fuzz Targets

Rust-Miniscript's Planning Module: Efficient Bitcoin Transactions

Implementation of PSBTv2 in Rust-Bitcoin

The Engineering Marvel of Bitcoin: Partially Signed Transactions

Implementation of PSBTv2 in Rust-Bitcoin

Hardening the Stable Channels iOS Wallet: From Prototype to Production

A Beginner's Guide to Contributing to LDK Node

My Summer of Bitcoin Journey: Reflections on Open Source, Git, and Remote Work

Unit Testing BIP21 URIs in LDK-Node: A Deep Dive

Building the Receive Functionality for BIP21 URIs in LDK-Node: A Technical Deep Dive

Implementing BIP21 QR Support in LDK Node: A Project Overview

Demystifying the Lightning Development Kit: A Beginner's Guide to Contributing

From Hackathons to Hashrates: My Journey into Computer → Blockchain → Bitcoin

My Summer of Bitcoin Journey: A Deep Dive into Fedimint

PurrSettle: A Deep Dive into Bitcoin Zero-Confirmation Transactions

Bringing Browser Compatibility and ESM Support to BitcoinJS

From Bitcoin Newbie to BitcoinJS Contributor

From Zero to Bitcoin Contributor with Blockcore

My Summer of Bitcoin 2024: A Concluding Reflection on My Journey with Coinswap

Midway Through Summer of Bitcoin: Reflections on Building with Coinswap and BDK

Modernizing Jam Web UI for JoinMarket-NG: Summer of Bitcoin 2026 Final Report

Building Confidence in Jam: My Final Summer of Bitcoin Report

From Rejection to Jam: My Summer of Bitcoin Journey So Far

My Summer of Bitcoin 2025 Journey

My Summer of Bitcoin Journey: Contributing to Jam and JoinMarket

A Guide to Getting In Summer of Bitcoin

Building a Super Private P2P On-Chain Pipeline for RoboSats with Taproot: A Final Evaluation

What is PyASIC?

My Summer of Bitcoin Journey: Adding Standardized Pool Metrics to PyASIC

My Summer of Bitcoin Journey: Adding Firmware Update Functionality to PyASIC

How I got selected in Summer of Bitcoin'25

How I Cracked Google Summer of Code and Summer of Bitcoin

A Technical Deep Dive into RBF Implementation for Caravan

A Deep Dive into the Caravan Project: My Summer of Bitcoin Journey

A Deep Dive into Bitcoin Fee Management with Caravan

My Summer of Bitcoin Journey: The Evolution of Our Ideas - Chapter 3

My Summer of Bitcoin Journey: The Kickoff Call and Early Ideas - Chapter 2

My Summer of Bitcoin Journey: How I Got Selected - Chapter 1

My Summer of Bitcoin 2024: A Reflection on Open Source, Communication, and Growth

Floresta's Migration to Tokio: A Summer of Bitcoin Project

Real-Time Bitcoin Monitoring with ZMQ and Rust

From Bitcoin Data to Live Mining: Building the Braidpool Dashboard

Modernizing a 2013 Bitcoin Solution with 2024 Web Technologies

Refactoring P2Pool’s Networking Layer and providing DoS safety

How I YOLO’d My Way into Summer of Bitcoin: Chaotic but Glorious Journey

Implementing Pubkey and Duration-Based Token Locking for Cashu in Zeus Wallet

What It Really Takes to Get Into Summer of Bitcoin

Introducing Guided Coin-Flip Seed Generation in SeedSigner

From Missteps to Mastery: Building Hashrate Distribution Logic in DMND

Implementing Pubkey and Duration-Based Token Locking for Cashu in Zeus Wallet

Bridging Bitcoin's Knowledge Gap: Building GenesisKB — My Summer of Bitcoin 2026 Journey

How did I Find Product Market Fit for a Decentralized Communication Platform based on Nostr

From Protocol to Product: Routing Agentic Computation Over Nostr

Getting into Summer of Bitcoin 2025

Building AI-Powered Bitcoin Development Tools: My Mid-Term Journey in Summer of Bitcoin 2025

My Summer of Bitcoin 2025 Experience with Breez

My Summer of Bitcoin 2025 Journey with Alby

What I’m Starting to Understand About Bitcoin

Improve BDK Wallet Balance Interface and Related Methods

Dollar Stability, Backed by Bitcoin: Detangling and Improving the Stable Channels LSP

Building Confidence in Jam: My Final Summer of Bitcoin Report

Building an Android CoinSwap Taker: My Summer of Bitcoin Final Report

My Summer of Bitcoin Journey with Kern

Building a Bitcoin Lightning Wallet for Android from Scratch

Securing the SeedSigner ESP32 Port

Hardening the Stable Channels iOS Wallet: From Prototype to Production

Automating SeedSigner's Translation and Review Workflow

My Summer Making Krux Easier to Use

Bringing Silent Payments to Krux: A Journey Across Two Summers

Securing the SeedSigner ESP32 Port: Midterm Progress Update

Summer of Bitcoin 2026 - Adding PayJoin to Cove Wallet

How to Start Contributing to Ark Labs: Building a Zero-Collateral Lottery on Bitcoin

So you want to persist your BDK wallet?

Breaking Lightning (Constructively): My Summer of Bitcoin 2026 Journey

Shipping the DMND miner dashboard: my Summer of Bitcoin 2026 final report

Running Bitcoin's Fuzzer Without Watching It

Making Rust a First-Class Target for ContextVM

Making Floresta Crash-Proof: Finishing the Error Handling Overhaul

Modernizing Jam Web UI for JoinMarket-NG: Summer of Bitcoin 2026 Final Report

Improve BDK Wallet Balance Interface and Related Methods

How did I Find Product Market Fit for a Decentralized Communication Platform based on Nostr

The ASmap dashboard is live

Teaching a Nostr Relay to Say No: Building nostream's Access Layer

Dollar Stability, Backed by Bitcoin: Detangling and Improving the Stable Channels LSP

Building Confidence in Jam: My Final Summer of Bitcoin Report

Building an Android CoinSwap Taker: My Summer of Bitcoin Final Report

From a $500 Hackathon to Bitcoin Open Source: My Summer with BDK

Building Reliable Real-Time Features for Flotilla: My Summer of Bitcoin 2026 Final Report

Building a Bitcoin Lightning Wallet for Android from Scratch

What Building Escrow From Scratch Taught Me About Trust

Securing the SeedSigner ESP32 Port

Hardening the Stable Channels iOS Wallet: From Prototype to Production

From Protocol to Product: Routing Agentic Computation Over Nostr

Automating SeedSigner's Translation and Review Workflow

Redirects, Payments, and Shipping a Full Summer at ContextVM

How I Fit SeedSigner on a Screen

Closing the CI Test Gap: My Summer of Bitcoin Journey with Shopstr

Building smitebot: A Summer of Fuzzing Lightning

Bringing Silent Payments to Krux: A Journey Across Two Summers

Making Floresta Crash-Proof: A Systematic Error Handling Overhaul

Infrastructure for the Fuzzer That Finds Bitcoin's Bugs

Building DMND's miner dashboard in the open: my Summer of Bitcoin 2026 midterm

Securing the SeedSigner ESP32 Port: Midterm Progress Update

Building Like and Zap Buttons for X.com and YouTube with Nostr

Summer of Bitcoin 2026 - Adding PayJoin to Cove Wallet

Measuring ASmap and Learning How Fragile Open Source Really Is

From Rejection to Jam: My Summer of Bitcoin Journey So Far

Breaking Lightning (Constructively): My SoB Mid-Term Reflections

Alternative SeedSigner UIs Across Display Constraints and Accessibility Modes: My Midterm Progress

Shrinking SDKs and Shipping Bundles: My First 6 Weeks at ContextVM

A historic analysis of the topology of the Lightning Network

So you want to persist your BDK wallet?

Breaking Lightning (Constructively): My Summer of Bitcoin 2026 Journey

Shipping the DMND miner dashboard: my Summer of Bitcoin 2026 final report

Running Bitcoin's Fuzzer Without Watching It

Making Rust a First-Class Target for ContextVM

Making Floresta Crash-Proof: Finishing the Error Handling Overhaul

Modernizing Jam Web UI for JoinMarket-NG: Summer of Bitcoin 2026 Final Report

Improve BDK Wallet Balance Interface and Related Methods

From Bitcoin Data to Live Mining: Building the Braidpool Dashboard

The ASmap dashboard is live

Teaching a Nostr Relay to Say No: Building nostream's Access Layer

Dollar Stability, Backed by Bitcoin: Detangling and Improving the Stable Channels LSP

Building Confidence in Jam: My Final Summer of Bitcoin Report

Building an Android CoinSwap Taker: My Summer of Bitcoin Final Report

Running Validating Lightning Signer inside an AWS Nitro Enclave

From a $500 Hackathon to Bitcoin Open Source: My Summer with BDK

Building Reliable Real-Time Features for Flotilla: My Summer of Bitcoin 2026 Final Report

Building a Bitcoin Lightning Wallet for Android from Scratch

What Shopstr Taught Me About Real Open Source

From Protocol to Product: Routing Agentic Computation Over Nostr

Automating SeedSigner's Translation and Review Workflow

Redirects, Payments, and Shipping a Full Summer at ContextVM

My Summer Making Krux Easier to Use

How I Fit SeedSigner on a Screen

Building smitebot: A Summer of Fuzzing Lightning

Bringing Silent Payments to Krux: A Journey Across Two Summers

Making Floresta Crash-Proof: A Systematic Error Handling Overhaul

Infrastructure for the Fuzzer That Finds Bitcoin's Bugs

Building DMND's miner dashboard in the open: my Summer of Bitcoin 2026 midterm

Building Like and Zap Buttons for X.com and YouTube with Nostr

From Rejection to Jam: My Summer of Bitcoin Journey So Far

Breaking Lightning (Constructively): My SoB Mid-Term Reflections

Alternative SeedSigner UIs Across Display Constraints and Accessibility Modes: My Midterm Progress

Shrinking SDKs and Shipping Bundles: My First 6 Weeks at ContextVM

A historic analysis of the topology of the Lightning Network

How to Start Contributing to Ark Labs: Building a Zero-Collateral Lottery on Bitcoin

So you want to persist your BDK wallet?

How to Start Contributing to Ark Labs: Building a Zero-Collateral Lottery on Bitcoin

How to Start Contributing to Ark Labs: Building a Zero-Collateral Lottery on Bitcoin

How to Start Contributing to Ark Labs: Building a Zero-Collateral Lottery on Bitcoin

Breaking Lightning (Constructively): My Summer of Bitcoin 2026 Journey

Dollar Stability, Backed by Bitcoin: Detangling and Improving the Stable Channels LSP

Building a Bitcoin Lightning Wallet for Android from Scratch

What Building Escrow From Scratch Taught Me About Trust

Hardening the Stable Channels iOS Wallet: From Prototype to Production

From Protocol to Product: Routing Agentic Computation Over Nostr

Building smitebot: A Summer of Fuzzing Lightning

Building Like and Zap Buttons for X.com and YouTube with Nostr

Breaking Lightning (Constructively): My SoB Mid-Term Reflections

A historic analysis of the topology of the Lightning Network

What Shopstr Taught Me About Real Open Source

What Building Escrow From Scratch Taught Me About Trust

Redesigning Shopstr: making a Bitcoin marketplace feel like one you'd actually use

Closing the CI Test Gap: My Summer of Bitcoin Journey with Shopstr