Recent Blog posts

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October 10, 2019

Frequently Asked Questions: Bitcoin Transaction Monitor

The Bitcoin Transaction Monitor provides deeper insights into the usage of the Bitcoin network by showing transactions by time and feerate. This post answers frequently asked questions about the Bitcoin Transaction Monitor itself.

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August 4, 2019

The Incomplete History of Bitcoin Development

To fully understand the rationale behind the current state of Bitcoin development, knowledge about historical events is essential. This blog post highlights selected historical events, software releases and bug fixes before and after Satoshi left the project. It additionally contains a section about the current state of Bitcoin development. The linked timeline provides extra detail for each event.

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June 29, 2019

A List of Public Bitcoin Feerate Estimation APIs

My search for a list of public Bitcoin feerate estimation APIs ended without any real results. Jameson Lopp has a section on feerate estimators on his bitcoin.page and Antoine Le Calvez’s dashboard txstats.com provides a visualization of different estimation APIs. But that is not what I was looking for. That’s why I compiled this list.

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March 18, 2018

Plotting the Bitcoin Feerate Distribution

How did the median Bitcoin feerate evolve from 2013 to 2015? When were the feerate spikes in 2017? Visualizing the Bitcoin feerate distribution per block was on my todo list since I’ve started working on the first version of my mempool.observer project in mid-2017. But acquiring the data wasn’t as easy as I first thought.

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December 18, 2017

The 300 MB default maxmempool Problem

Unconfirmed transactions are quite a hassle for bitcoin users. I recently came across an interesting problem which is not the usual “my transaction is stuck” problem.