Cryptography Videos Hacker News Recommends

talk#59

Behind the Scenes of iOS Security

Black Hat

“if you haven't watched the talk at Black Hat I'd highly recommend it”

9 HN recommenders · 2016–2026

explainer#75

Why Electronic Voting Is Still A Bad Idea

Tom Scott

“Tom Scott still has the best argument against e-voting IMO [1].”

11 HN recommenders · 2020–2026

explainer#81

But how does bitcoin actually work?

3Blue1Brown

“this video is the best explanation for how mining and blockchains work IMO”

15 HN recommenders · 2017–2024

explainer#247

Diffie-Hellman Key Exchange

Art of the Problem

“I found this video, Public key cryptography - Diffie-Hellman Key Exchange (full version), to be completely enlightening”

9 HN recommenders · 2016–2024

talk#282

BlackHat USA 2011: SSL And The Future Of Authenticity

Christiaan008

“best talk I know of this subject”

9 HN recommenders · 2011–2017

lecture#304

Blockchains Are a Bad Idea (James Mickens)

HBS Digital Initiative

“James Mickens' "Blockchains are a bad idea" talk [1] is a great explanation that discusses exactly that.”

8 HN recommenders · 2018–2023

documentary#358

Line Goes Up – The Problem With NFTs

Folding Ideas

“probably the most detailed and incisive critique of cryptocurrency and NFTs that I've seen”

12 HN recommenders · 2022–2026

talk#407

Theory and Practice of Cryptography

Google TechTalks

“Here's a long but fascinating tech talk on a real solution”

5 HN recommenders · 2011–2019

explainer#428

Why Electronic Voting is a BAD Idea - Computerphile

Computerphile

“I love [this video]( ) from Tom Scott in which he explains quite well why e-voting is inherently bad.”

7 HN recommenders · 2015–2025

commentary#548

The Future is a Dead Mall - Decentraland and the Metaverse

Folding Ideas

“For me, the definitive analysis here is Dan Olson's[1]”

6 HN recommenders · 2023–2025

talk#686

Bitcoin 2012 London: Mike Hearn

Independent POV

“Mike Hearn's talk at Bitcoin 2012 is a great overview of all that”

6 HN recommenders · 2013–2014

talk#746

LibreSSL with Bob Beck

Jason Tubnor

“The entire talk is amazing, even 7 years later.”

6 HN recommenders · 2014–2025

talk#811

Kim Nilsson - Cracking MtGox

TheBitcoinArmy

“One of the best summaries of the Mt Gox incident, as well as the fallout and subsequent investigations that I've watched.”

5 HN recommenders · 2017–2021

explainer#873

Was YOUR vote counted? (feat. homomorphic encryption) - Numberphile

Numberphile

“Cryptographers are clever and have figured out a way to let you know your vote was counted without being able to prove it to a third party!”

5 HN recommenders · 2016–2024

talk#917

DEF CON 19 - Moxie Marlinspike - SSL And The Future Of Authenticity

DEFCONConference

“I've found Moxie Marlinspike's talk [1] to be a great overview of these sorts of issues.”

4 HN recommenders · 2013–2026

documentary#922

Bitcoin - Unmasking Satoshi Nakamoto

Barely Sociable

“painted quite a compelling story of why Adam Beck is Satoshi”

5 HN recommenders · 2021–2026

commentary#991

Exposing Tether - Bitcoin's Biggest Secret

Coffeezilla

“one of the most comprehensive (and entertaining) takes on this”

7 HN recommenders · 2021–2025

talk#1312

Blockchain vs. Bullshit: Thoughts on the Future of Money [Classic Bitcoin & Open Blockchain Talk]

aantonop

“Just watch Blockchain vs. Bullshit”

3 HN recommenders · 2017

explainer#1316

Flaw in the Enigma Code - Numberphile

Numberphile

“Numberphile gives a nice, succinct explanation”

4 HN recommenders · 2013–2025

explainer#1321

The Only Safe Phone Is One Even the Police Can't Unlock

CGP Grey

“CGP Grey offers an easily digestible 5-minute primer”

4 HN recommenders · 2016–2025

tutorial#1340

Blockchain 101 - A Visual Demo

Anders Brownworth

“It explains from ground up without getting complicated”

3 HN recommenders · 2017–2025

explainer#1360

Computer Scientist Explains One Concept in 5 Levels of Difficulty | WIRED

WIRED

“This is the best explanation I have seen”

3 HN recommenders · 2022–2026

interview#1494

Vitalik Buterin: Ethereum, Cryptocurrency, and the Future of Money | Lex Fridman Podcast #80

Lex Fridman

“listening to the founder of Ethereum on the Lex Fridman podcast was fascinating.”

3 HN recommenders · 2020–2021

talk#1614

Defeating Ssl Using Sslstrip (Marlinspike Blackhat)

TheSecurityTube

“Very entertaining.”

3 HN recommenders · 2014–2018

explainer#1650

How secure is 256 bit security?

3Blue1Brown

“To comprehend how large a search space this is watch 3Blue1Brown's explanation”

2 HN recommenders · 2020–2023

documentary#1700

"This Machine Greens" - Bitcoin Documentary - Online Premiere

Swan Bitcoin

“This video also does a great job of addressing the "waste" by elaborating on "unforgable costliness”

5 HN recommenders · 2021–2022

explainer#1737

How Does SHA-256 Work?

learnmeabitcoin

“I found this video to be an excellent explanation and sufficient to implement the algorithm”

3 HN recommenders · 2020–2022

talk#1839

Moxie Marlinspike, Next Generation Threats 2014

Techworld Sverige

“I got excited about signal after watching this video, which explains pretty well the challenges of encrypted communication and how Signal addresses them”

3 HN recommenders · 2015–2021

lecture#1860

Lecture 7: Introduction to Galois Fields for the AES by Christof Paar

Introduction to Cryptography by Christof Paar

“this is a pretty good introduction (yes, it's for AES, but the principles are the same)”

3 HN recommenders · 2017–2020

talk#1921

Peter Rizun, Andrew Stone -- 1 GB Block Tests -- Scaling Bitcoin Stanford.

OnChain Scaling

“A good talk about really big blocks on bitcoin and what the ramifications are;”

2 HN recommenders · 2017–2022

explainer#2085

Cracking Enigma in 2021 - Computerphile

Computerphile

“would be a good place to start.”

3 HN recommenders · 2021–2024

talk#2140

35C3 - The year in post-quantum crypto

media.ccc.de

“This talk by djb and Tanja Lange is a good overview of the NIST candidates and the current state of pqcrypto”

3 HN recommenders · 2019

explainer#2237

How Quantum Computers Break Encryption | Shor's Algorithm Explained

minutephysics

“Minute Physics has a really good explanation of Shor's algorithm, and by proxy, Quantum computing.”

3 HN recommenders · 2019–2023

explainer#2245

Andreas Antonopoulos - 51% Bitcoin Attack

Rodolfo Díaz

“Andreas Antonopoulos has a good take on this for Bitcoin”

3 HN recommenders · 2021–2024

talk#2250

Brian Warner - Magic Wormhole- Simple Secure File Transfer - PyCon 2016.mp4

PyCon 2016

“Author has a very good video on it at pycon-2016”

3 HN recommenders · 2018–2023

talk#2251

LibreSSL: The first 30 days, and what the Future Holds

Andrea Ross

“There is a fascinating and funny talk by Bob Beck from OpenBSD on the first 30 days after forking OpenSSL.”

3 HN recommenders · 2014–2022

explainer#2318

Hacking at Quantum Speed with Shor's Algorithm | Infinite Series

PBS Infinite Series

“I thought this example of Shor's algorithm was pretty good”

3 HN recommenders · 2018–2019

commentary#2326

Bitcoin Is Protecting Human Rights Around the World

ReasonTV

“Actually it's pretty important for many”

3 HN recommenders · 2021

talk#2428

Gopherfest 2017 | Upspin with Rob Pike

The Go Programming Language

“It's a fascinating talk. I really enjoyed it.”

2 HN recommenders · 2017–2025

talk#2551

Here's Why Your Static Website Needs HTTPS

Troy Hunt

“The linked video is a must watch to those who still doubt HTTPS”

2 HN recommenders · 2020–2023

talk#2575

How I hacked a hardware crypto wallet and recovered $2 million

Joe Grand

“a cool video about someone hacking a Trezor One. Very enjoyable watch.”

2 HN recommenders · 2022–2023

news#2592

The Encryption Tightrope: Balancing Americans’ Security and Privacy: EventID=104573

House Committee on the Judiciary

“the recent House Judiciary Committee Hearing is worth the watch”

3 HN recommenders · 2016–2017

podcast#2597

Saifedean Ammous: Bitcoin, Anarchy, and Austrian Economics | Lex Fridman Podcast #284

Lex Fridman

“this episode turned me from a "fuck any form of crypto" stance to an appreciation of BTC the technology”

2 HN recommenders · 2022–2023

talk#2768

Behind the scenes of iOS and Mac Security

Black Hat

“Good talk behind the reason for the T2 chip and some other Apple security stuff”

2 HN recommenders · 2019–2022

talk#2902

27c3: Console Hacking 2010 (en)

Christiaan008

“I recommend watching the Console Hacking talk at 27c3 by the fail0verflow team”

2 HN recommenders · 2019–2026

talk#2905

36C3 - The ecosystem is moving

media.ccc.de

“A talk by Moxie at CCC deals with this exact question.”

2 HN recommenders · 2020–2026

lecture#2909

1. Introduction for 15.S12 Blockchain and Money, Fall 2018

MIT OpenCourseWare

“I've been enjoying a playlist of blockchain lectures by Gary Gensler”

2 HN recommenders · 2021–2022

explainer#2996

Chip & PIN Fraud Explained - Computerphile

Computerphile

“This is a good overview by some researchers in the different ways Chip and Pin can be hacked.”

2 HN recommenders · 2015–2018