crypto exchanges
1:32:08Theory and Practice of Cryptography
73K views • 18 years ago
Google TechTalks
A Google Tech Talk by Steve Weis that introduces modern cryptography and its use in practice and at Google. It covers proofs of security and security definitions and a special topic. HN commenters treat it as a talk on verifiable electronic voting.
1:10:0135C3 - The year in post-quantum crypto
8K views • 7 years ago
media.ccc.de
Daniel J. Bernstein and Tanja Lange survey recent highlights in post-quantum cryptography at 35C3, covering the NIST competition, network protocol experiments, and broken candidates.
29:12DEF CON 26 CRYPTO AND PRIVACY VILLAGE - Scott Arciszewski - No Way JOSE! Designing Cryptography
7K views • 7 years ago
DEFCONConference
Scott Arciszewski's DEF CON 26 Crypto and Privacy Village talk critiquing the JOSE standards (JWT, JWS, JWE) and showing how to design cryptographic tokens more safely.
32:18How I hacked a hardware crypto wallet and recovered $2 million
10M views • 4 years ago
Joe Grand
Joe Grand recounts being hired to hack a Trezor One hardware wallet and recover $2 million of cryptocurrency. He describes three months of experimentation, voltage glitching, failures and high-stakes attempts with only one chance to get it right.
17:12Cryptocurrency Explained: Money as a System-of-Control
144K views • 9 years ago
aantonop
Andreas Antonopoulos argues that money has a fourth function beyond store of value, medium of exchange and unit of account, which is as a system of control. He covers the history of money and why it does not flow freely.
28:11Ben Kreuter RWC 2017
1K views • 9 years ago
Real World Crypto
A Real World Crypto 2017 talk by a Google engineer on using private set intersection to match ad views with in-store purchases. It describes privacy-preserving matching that avoids exposing personal transactions.
33:24Brian Warner - Magic Wormhole- Simple Secure File Transfer - PyCon 2016.mp4
44K views • 10 years ago
PyCon 2016
Brian Warner, author of magic-wormhole, presents the tool at PyCon 2016. He explains how a few secret words let two computers securely transfer files, covering the cryptography (NaCl, SPAKE2) and library use.
38:22Kim Nilsson - Cracking MtGox
47K views • 9 years ago
TheBitcoinArmy
Kim Nilsson presents his investigation into how Mt. Gox was hacked and mismanaged, tracing the finances and the missing bitcoins. It was given at the 2017 Breaking Bitcoin meetup.
24:20Satoshi Has No Clothes: Failures in On-Chain Privacy by Ian Miers (Devcon4)
5K views • 7 years ago
Ethereum Foundation
Ian Miers' Devcon4 talk on failures in on-chain privacy for Bitcoin and Ethereum. It covers attacks on transparent and decoy-based schemes, including how Monero-style privacy can be eroded over repeated transactions.
1:05:45LibreSSL with Bob Beck
25K views • 12 years ago
Jason Tubnor
Bob Beck of OpenBSD describes the first month of LibreSSL, the fork aimed at cleaning up OpenSSL, including oddities found in the code base and why it was cleaned rather than audited cryptographically.
42:50DEF CON 18 - Moxie Marlinspike - Changing Threats To Privacy: From TIA to Google
7K views • 13 years ago
DEFCONConference
Moxie Marlinspike's DEF CON 18 talk argues that privacy threats have shifted from centralized state databases like TIA to corporate data collection by companies like Google, despite wins in strong cryptography and decentralization.
1:03:42re:publica 2012 - Eben Moglen - Freedom of Thought Requires Free Media
44K views • 14 years ago
re:publica
Eben Moglen's re:publica 2012 talk argues that media which spy on and data-mine the public threaten freedom of thought, and that free technology and free culture are needed to protect it.