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Building @getumbrel

Luke Childs lukechilds

Building @getumbrel
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Zoom Sucks

  • Zoom abuses the installer flow on MacOS to bypass permissions dialogs (source)
  • Zoom sends identifying device info to Facebook, even when users don't have a Facebook account (source) (fixed)
  • A bug in Zoom sent identifying information (including email addresses and profile pictures) of thousands of users to strangers (source)
  • Zoom claims that meetings are end-to-end encrypted in their white paper and marketing materials, but meetings are only encrypted in transit, and are available in plaintext to Zoom servers and employees. (source)
  • zoomAutenticationTool can be used to escalat
ilyakmet /
Last active Dec 19, 2020
WASM Rust to Node Example

WASM Rust to Node Example

Use only > 8.x.x NodeJS version

Install Rust before using this tutorial: curl -sSf | sh

Create dirs:

mkdir wasmRustNodeExample

cd wasmRustNodeExample
F21 /
Last active Jan 16, 2021
Signing someone's GPG key

This is a quick guide of the commands we use to sign someone's GPG key in a virtual key signing party.

Note: The steps cover only the technical aspects of signing someone's key. Before signing someone's key, you must verify their identity. This is usually done by showing government-issued ID and confirming the key's fingerprint

The commands will work for both GPG and GPG2.

I use Julian's key for the examples. His key id is 2AD3FAE3. You should substitute with the appropriate key id when running the commands.

Signing the key

  1. List the keys currently in your keyring: gpg --list-keys.
mafintosh /
Last active Apr 1, 2020
Blog post about how Bitcoin works in a way non computer people can understand it

Bitcoin for laypeople

(Chinese version available here, courtesy of @jiangplus

(This is an English translation of my Danish blog post, Bitcoin for voksne)

Bitcoin is a digital currency that has no central authority. It's a currency where you do not have to rely on anyone to know it's worth it. As a concept, it's similar to gold. Gold has a value in itself, as opposed to, say a $100 note that only has value if the U.S. government says it has value. Similarly, the idea of ​​Bitcoins is that they have value by themselves.

Let's try to understand how Bitcoin works.

epixoip /
Last active Jan 8, 2021
8x Nvidia GTX 1080 Hashcat Benchmarks
mikaelbr / destructuring.js
Last active Dec 26, 2020
Complete collection of JavaScript destructuring. Runnable demos and slides about the same topic:
View destructuring.js
// === Arrays
var [a, b] = [1, 2];
console.log(a, b);
//=> 1 2
// Use from functions, only select from pattern
var foo = () => [1, 2, 3];
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