bitcoin

What Happens When an “Infinite-Money Machine” Unravels

8 Dec 2025

newyorker.com

John Cassidy on Michael Saylor, the head and co-founder of the business-software company Strategy, the firm’s bitcoin strategy, and the risks of betting on crypto.

Full details of how blockchain blocks are chained together

27 Oct 2025

johndcook.com

How blocks in the Bitcoin blockchain are chained together. Looking at an example at the the byte level to get the real story, past the oversimplifications.

New Video Gives Us One More Reason to Never Buy a Used Mining GPU

27 Sep 2022

extremetech.com

A new video making the rounds purports to show Vietnamese crypto miners preparing used GPUs for resale by blasting them with a pressure washer.

Ethereum completes the “Merge,” which ends mining and cuts energy use by 99

16 Sep 2022

arstechnica.com

Ethereum replaces proof-of-work with proof-of-stake, making miners unnecessary.

Should merchants accept Bitcoin?

18 Jul 2022

practicalecommerce.com

I was recently asked if ecommerce merchants should accept Bitcoin. My answer is a resounding “yes.” I can think of only a few minor downsides and many

Why trusted execution environments will be integral to proof-of-stake block

27 Jun 2022

venturebeat.com

While the core philosophy of blockchains is trustlessness, trusted execution environments can be integral to proof-of-stake blockchains.

A from-scratch tour of Bitcoin in Python

23 Jun 2021

karpathy.github.io

Musings of a Computer Scientist.

bitcoin — my Raindrop.io articles