1
How we recovered $300k of Bitcoin
Story time! Around twenty years ago, I was working as a reverse-engineer and cryptanalyst for AccessData while getting my Physics degree at BYU. It was the late 90s and early 2000s. The US governme…
2
Ethereum Is a Dark Forest
A horror story.
3
Escaping the Dark Forest
On September 15, 2020, a small group of people worked through the night to rescue over 9.6MM USD from a vulnerable smart contract. This is our story.
4
Bitcoin From Scratch – Part 1
Understanding the fundamental building blocks of Bitcoin can be daunting for some developers. The purpose of this guide is to explain through simple pieces of code, how Bitcoin works.
5
What Was TON And Why It Is Over
telegra.ph/what-was-ton-and-why-it-is-over-05-122020287 points162 commentsCrypto & Blockchain details
For the last 2,5 years some of our best engineers have been working on a next-generation blockchain platform called TON and a cryptocurrency we were going to name Gram. TON was designed to share the principles of decentralization pioneered by Bitcoin and Ethereum, but to be vastly superior to them in speed and…
6
7
Bitcoin is more like ham radio than the early internet
People in the bitcoin community often make fun of me as a nocoiner . That is, I don't have any bitcoins and am vocal about that fact. (Ne...
8
9
So you want to roll your own crypto?
A coworker of mine asked: How are people supposed to learn (from mistakes) if they don't roll their own crypto? The short answer is do roll ...
10
GoDaddy employees used in attacks on multiple cryptocurrency services
Fraudsters redirected email and web traffic destined for several cryptocurrency trading platforms over the past week. The attacks were facilitated by scams targeting employees at GoDaddy , the world’s largest domain name registrar, KrebsOnSecurity has learned.
11
How to decrypt WhatsApp end-to-end media files
At the center of the "Saudis hacked Bezos" story is a mysterious video file investigators couldn't decrypt, sent by Saudi Crown Prince MBS t...
12
13
14
15
16
A 96 Bitcoin ransom payment ends up on Bitfinex
"Hello, to get your data back you have to pay for the decryption tool, the price is $1,200,000... You have to make the payment in Bitcoin...
17
18
19
A Review of Consensus Protocols
The consensus problem is a fundamental problem in multi-agent systems which requires a group of processes (or agents) to reliably and timely agree on a single data value. Although extensively discussed in the context of distributed computing it’s not exclusive to this field, also being present in our society in a…
20
402 Payment Required, and why micropayments are doomed
Micropayments systems are doomed. Here is why.
21
Fintech in Chains
"Fintech can come out of the shadows" is the title that Wall Street Journal editors gave to Brian Brooks and Charles Calomiris' oped last week . I have not in a long time seen a title that more utterly contradicts the content of the essay. For what they advocate is exactly the opposite: Fintech in chains, hemmed in by…