Jameson Lopp's Bitcoin Articles

Thoughts on Libra "Blockchain"

An interpretation of the 26 page technical document describing the protocol to be used as a platform for the Libra coin and more.

18 June 2019 | Cypherpunk Cogitations

Metal Bitcoin Seed Storage Stress Test (part II)

The results of extreme stress tests on 13 metal seed storage devices.

18 May 2019 | Cypherpunk Cogitations

How Many Wrongs Make A Wright?

A presentation of evidence with regard to Craig Wright's claim of being Satoshi Nakamoto.

9 May 2019 | Bitcoin Magazine

Casa Keymaster Security: Mobile Key Overview

A technical explanation of how Casa securely backs up mobile device keys.

9 April 2019 | Casa Blog

Bitcoin Timestamp Security

A deep technical dive into the assurances around the accuracy of timestamps in Bitcoin block headers.

3 March 2019 | Cypherpunk Cogitations

Satoshi Roundtable V Recap

Discussions on Lightning Network, Privacy, Sidechains, Secure Hardware, Mnemonic Seed Phrases, Security Tokens, and Grin.

9 February 2019 | Cypherpunk Cogitations

Open Sourcing the Casa Node

Improving security through transparency.

31 January 2019 | Casa Blog

Bitcoin by the Numbers - 2018 Recap

An overview of the diverse set of trends observed in the Bitcoin ecosystem during 2018.

1 January 2019 | Cypherpunk Cogitations

Who Controls Bitcoin Core?

A deep dive into the security practices and power distribution of the Bitcoin Core project.

15 December 2018 | Cypherpunk Cogitations

Bitcoin Full Validation Sync Performance

Jameson tests and compares the initial sync performance of popular Bitcoin implementations.

1 December 2018 | Cypherpunk Cogitations

Bitcoin Seed Security Analysis

Jameson demonstrates the dangers of manually manipulating seed phrases by showing how easy it is to reduce their computational security.

24 November 2018 | Cypherpunk Cogitations

A Modest Privacy Protection Proposal

A comprehensive guide to reclaiming your privacy in the surveillance age.

29 September 2018 | Cypherpunk Cogitations

Reflections upon a SWATting

Jameson tells the full story of being targeted for SWATting.

28 July 2018 | Cypherpunk Cogitations

Fifteen Men on a Dead Man’s Switch

Thoughts on end of life planning for crypto asset owners.

21 July 2018 | Cypherpunk Cogitations

Bitcoin Seed Storage Stress Test

Jameson tests the limits of various metal key storage devices.

14 July 2018 | Cypherpunk Cogitations

Casa’s Privacy Model

Describing what types of privacy Casa customers can expect to have.

25 June 2018 | Cypherpunk Cogitations

Satoshi Roundtable IV Recap

Covering our discussions about tribalism, developer education, operational security, drivechains, and Tether.

10 February 2018 | Cypherpunk Cogitations

What the Data Tells Us About Bitcoin in 2017

Statistics show bitcoin is at the forefront of an increasingly complex ecosystem that continues to grow in a variety of ways.

13 January 2018 | CoinDesk

The Challenges of Building Ethereum Infrastructure

Lopp covers a number of issues encountered while building a multisig smart contract wallet.

8 January 2018 | Cypherpunk Cogitations

Securing Your Financial Sovereignty

An explanation of why fully validating nodes matter and how to make use of them.

22 October 2017 | Cypherpunk Cogitations

Can SPV Support a Billion Bitcoin Users?

Lopp takes a deep dive into claims that it's safe to remove bitcoin's block size limit and instead rely on existing SPV methods.

30 July 2017 | CoinDesk

Bitcoin and the Benefits of Coopetition

Lopp makes an impassioned argument for the need for more cooperation between the players in the bitcoin space.

14 July 2017 | CoinDesk

The Challenges of Bitcoin Transaction Fee Estimation

Bitcoin transaction fee estimation is a goldilocks problem wrapped in a future prediction enigma shrouded...

10 May 2017 | Cypherpunk Cogitations

Announcing the Bitcoin Core Config Generator

Bitcoin Core is a complex piece of software. Because one of the primary goals of Bitcoin is to enable users to be self sovereign and...

30 March 2017 | Cypherpunk Cogitations