b10c's blog: Bitcoin Developer on b10c's blog

The Human Rights Foundation supported my work on Bitcoin with a developer grant.

This post describes and discusses the behavior of an entity I call LinkingLion.

Spiral.xyz supported my work on Bitcoin for the full year of 2023 with a developer grant.

In this post, I revisit my plans and projects for 2022, and give an outlook for 2023.

Over the past few months, I’ve repeatedly observed very short-lived P2P connections with fake user agents being made to my Bitcoin Core node in a high succession.

It’s well known that you are only a real Bitcoiner if you are a carnivore, eat red meat at least three times a week but never consume seed oils, lift heavy weights, are straight, white, unvaccinated, believe in the Christian god, got into Bitcoin before 2…

My miningpool-observer project aims to detect when mining pools don’t mine transactions they could have mined.

I’ve held a workshop showcasing the new tracepoints and tracing functionallity included in Bitcoin Core release v23.0. video (YouTube) Slides (reveal-js)

These are the tasks of my “Tracing Bitcoin Core v23.0” workshop for bitcoin++ 2022.

Jonas, Murch, and I chat about monitoring Bitcoin mining pools and tracing Bitcoin Core. anchor.fm Podcast Page

Can we detect transaction censorship by mining pools on the Bitcoin network?

Bitcoin Suisse suprise-announced that they had selected me for a Research Grant.

These are the tasks of my “Tracing Bitcoin Core v23.0” workshop I held at Advancing Bitcoin 2022.

I presented my planned P2P monitoring project to CoreDev attendees.

Brink.dev supported my work on Bitcoin for the full year of 2022 with a developer grant.

Elliott (aka @robot__dreams) posted a Bitcoin-flavored cryptography challenge on Twitter.

I’ve prepared and moderated a Bitcoin Core PR review club meeting on luke-jr’s PR #20827: During IBD, prune as much as possible until we get close to where we will eventually keep blocks.

I’ve prepared and moderated a Bitcoin Core PR review club meeting on my PR #23724: add systemtap’s sys/sdt.h as depends for GUIX builds with USDT tracepoints.

In November 2021, the Taproot soft-fork activated on the Bitcoin network.

I updated about my recent work on Userspace, Statically Defined Tracing (USDT) support for Bitcoin Core, and showed examples.

I updated about my recent work on reorgs on SigNet and showed a work-in-progress block tree visualization.

This report updates on what 0xB10C, Coinbase Crypto Community Fund grant recipient, has been working on over the first half of his year-long Bitcoin development grant.

I list my contributions to the Bitcoin Core project and detail their context and background.

While working on taproot support for transactionfee.info, it became apparent that there already exist a few Pay-to-Taproot (P2TR) outputs on mainnet.

This is a placeholder for the Summer of Bitcoin mentoring I did.

My experimental bitcoind-observer tool is a Bitcoin Core Prometheus metrics exporter utilizing and demonstrating the newly added tracepoints in Bitcoin Core.

I’ve prepared and moderated a Bitcoin Core PR review club meeting on my PR #22006 Tracing: first tracepoints and documentation on User-Space, Statically Defined Tracing (USDT).

Dennis Reimann and I chat about regulatory conform mining in the context of my miningpool.observer project.

My miningpool-observer project aims to bring transparency to mining pool transaction selection.

Coinbase Giving provided a Bitcoin developer grant my work on Bitcoin in 2021. 0xB10C plans to build and improve existing open source tools, including a web interface visualizing forks on, for example, the new Signet test network.

Digital signatures are an essential building block of the Bitcoin protocol and account for a large part of the data stored on the blockchain.

Samourai Wallet supported my work on mempool.observer with a one-time donation that payed for hosting costs.

Transactions sent with Blockchain.com wallets make up for about a third of all Bitcoin transactions.

At around 13:00 UTC every day, BitMEX, a cryptocurrency exchange and derivative trading platform, broadcasts multiple megabytes of large transactions into the Bitcoin network.

Some of the regularly used Bitcoin wallets, for example, the Bitcoin Core wallet and the Electrum Bitcoin Wallet, set the locktime of newly constructed transactions to the current block height.

Dennis Reimann and I chat about BIP42.

Dennis Reimann and I talk about my projects, the Chaincode Labs Residency, and more on the German einundzwanzig Podcast.

The website transactionfee.info shows Bitcoin protocol layer statistics.

Bitcoin Optech created a workshop explaining the Schnorr and Taproot upgrade to engineers.

The Bitcoin Transaction Monitor provides deeper insights into the usage of the Bitcoin network by showing transactions by time and feerate.

Whenever you, an exchange or somebody else sends a Bitcoin transaction, it gets broadcast to all nodes in the Bitcoin network.

ShiftCrypto sponsored some of my work on mempool.observer.

The rawtx Golang module helps you (and me) to answer questions about raw Bitcoin transactions, their inputs, outputs, and scripts.

To fully understand the rationale behind the current state of Bitcoin development, knowledge about historical events is essential.

To fully understand the rationale behind the current state of Bitcoin development, knowledge about historical events is essential.

My search for a list of public Bitcoin feerate estimation APIs ended without any real results.

I’ve talked about the LoadMempool() and DumpMempool() functions of Bitcoin Core at the 2019 Chaincode Labs Summer Residency seminar.

I’ve talked about BIP-42 at the 2019 Chaincode Labs Summer Residency seminar.

I’ve presented my mempool.observer project at the 93rd NYC BitDevs Socratic Seminar.

I’ve presented about BIP-125 Replace-by-Fee at the 2019 Chaincode Labs Summer Residency seminar.