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

Latest

Jun
12
A Call to Action: Stop the FCC's KYC Regime

A Call to Action: Stop the FCC's KYC Regime

The FCC is proposing to require KYC for anyone who uses a phone. We can act now to stop further erosion of our privacy.
7 min read
May
21
Quantum Attack Game Theory

Quantum Attack Game Theory

A comprehensive analysis of potential attacks and undesirable outcomes resulting from a cryptographically relevant quantum computer being wielded against the Bitcoin network.
29 min read
Feb
23
A Layman's Guide to BIP-110

A Layman's Guide to BIP-110

An explanation of why BIP-110 is reckless and doomed to fail.
20 min read
Dec
30
2025 Bitcoin Node Performance Tests

2025 Bitcoin Node Performance Tests

Testing full validation sync performance of 5 Bitcoin node implementations.
10 min read
Sep
23
It's Knot a Serious Project

It's Knot a Serious Project

A comprehensive compilation of controversial actions and statements by Luke Dashjr.
15 min read
Jul
04
Inflation is Multiple Taxation

Inflation is Multiple Taxation

How the interaction of inflation with the tax code results in even greater theft from taxpayers.
6 min read
Apr
06
Bitcoin Address Poisoning Attacks

Bitcoin Address Poisoning Attacks

An investigation into likely address poisoning attacks occurring on the bitcoin blockchain.
5 min read
Mar
16
Against Allowing Quantum Recovery of Bitcoin

Against Allowing Quantum Recovery of Bitcoin

An argument in favor of burning bitcoin in vulnerable addresses to prevent funds from being taken by those who win the quantum computing race.
21 min read
Mar
02
A Treatise on Bitcoin Block Space Economics

A Treatise on Bitcoin Block Space Economics

A deep dive into the multitude of concerns regarding the supply of and demand for block space.
25 min read
Feb
27
Jack Dorsey is not Satoshi Nakamoto

Jack Dorsey is not Satoshi Nakamoto

A compilation of evidence that Jack Dorsey could not be the creator of Bitcoin.
10 min read