Cypherpunk Cogitations
Jameson Lopp's thoughts on Bitcoin, Privacy, and Freedom.

Latest

May
04
Griefing Bitcoin's Testnet

Griefing Bitcoin's Testnet

A deep dive into manipulation of block generation on testnet and a call to reset the network to fix several issues.
11 min read
Apr
20
The Untold Story of ditto-b

The Untold Story of ditto-b

The story of an anonymous developer who fixed a critical flaw in Bitcoin's code.
5 min read
Mar
24
Congress is Unconstitutionally Criminalizing Privacy

Congress is Unconstitutionally Criminalizing Privacy

An explanation of the Corporate Transparency Act and a call to action for those affected by it.
5 min read
Feb
17
COPA vs Craig Wright: The Identity Trial

COPA vs Craig Wright: The Identity Trial

Highlights from the multitude of lies exposed during the questioning of Craig Wright.
20 min read
Feb
04
When do Bitcoin Node Operators Upgrade?

When do Bitcoin Node Operators Upgrade?

An analysis of historical Bitcoin Core node versions to examine the updating behavior of node operators over the years.
6 min read
Jan
06
Bitcoin 2023 Annual Review

Bitcoin 2023 Annual Review

Comprehensive coverage of metrics across a number of different verticals in the Bitcoin ecosystem to gauge performance in 2023.
20 min read
Dec
24
2023 Bitcoin Node Performance Tests

2023 Bitcoin Node Performance Tests

Testing full validation sync performance of 7 Bitcoin node implementations.
8 min read
Dec
16
Economically Unspendable Bitcoin UTXOs

Economically Unspendable Bitcoin UTXOs

UTXO management guidance for avoiding footguns that can cause problems during times of high transaction fees.
3 min read
Dec
02
The Myth of Bad Cholesterol

The Myth of Bad Cholesterol

Lessons learned from my journey down the cholesterol rabbit hole.
11 min read
Nov
18
How to Exit X to Social Network Sovereignty

How to Exit X to Social Network Sovereignty

A step by step guide for migrating your X / Twitter history to nostr.
10 min read