bitcoin cash

A documentary from Swan Bitcoin exploring Bitcoin's relationship with energy, featuring Lyn Alden and others, and arguing that mining is a net positive for the environment and not wasteful.

Johnny Cash's live performance of A Boy Named Sue at San Quentin in 1969, a comic country song about a man named Sue seeking revenge on his father.

A 2013 lecture in which Vitalik Buterin explains what quantum computers are and what they can and cannot do. He then discusses what they could mean for Bitcoin's cryptography.

3Blue1Brown explains the math and mechanics behind Bitcoin visually: ledgers, digital signatures, proof of work and the blockchain, building up a decentralized payment system from first principles.

Mike Hearn's talk at the 2012 London Bitcoin Conference on the future of Bitcoin, new applications and rebuilding the banking system. He covers lesser-known protocol features such as contracts, escrow and scripting.

Andreas Antonopoulos explains how to tell Bitcoin-style blockchains from corporate blockchain hype. He argues the goal should be de-banking everyone rather than banking the unbanked.

Peter Rizun and Andrew Stone present results of tests running 1 GB blocks on a Bitcoin test network at Scaling Bitcoin Stanford. The talk argues for big-block scaling and discusses its consequences.

A two-minute clip of Andreas Antonopoulos explaining why a 51% attack on Bitcoin would not destroy it and what such an attack would cost. It is a succinct take on mining security.

A Reason TV segment, drawing on Alex Gladstein of the Human Rights Foundation, argues that Bitcoin works as an escape hatch for people living under authoritarian governments and inflating currencies.

A long Lex Fridman podcast conversation with Austrian economist Saifedean Ammous, author of The Bitcoin Standard. They cover Bitcoin, fiat money, anarchy and Austrian economics.

A two-minute animated introduction to Bitcoin from 2011, explaining it as a peer-to-peer digital currency. It was widely shared in Bitcoin's early days as the standard newcomer explainer.

In a CNBC interview with Becky Quick, Warren Buffett explains why he sees bitcoin as an asset that produces nothing. He contrasts it with productive assets such as a farm.

Andreas Antonopoulos answers a Bitcoin Q&A question about energy consumption in mining. He argues that mining is arbitrage for the cheapest electricity, drives investment in renewables, and that the traditional financial system has hidden externalities.

A 2017 video arguing that banks and Blockstream steered Bitcoin toward the Lightning Network. It is partisan commentary from the Bitcoin Cash side of the scaling dispute.

A one-minute joke video titled as a warning against buying Bitcoin, giving a humorous summary of price crashes. It has no description.

Andreas Antonopoulos answers a question about how to secure your Bitcoin. He covers holding your own keys, backing up the 12 to 24 word seed phrase, and the tradeoffs of custodial accounts, phone wallets and hardware wallets.

Motherboard's 2014 visit to a secretive Bitcoin mining operation in a repurposed factory in Liaoning, China, one of six sites producing about 4,050 bitcoins a month. It shows the machines and the workers' living conditions.

A More Perfect Union report from a small Texas town next to a large Bitcoin mining facility, where residents describe constant noise and health problems. It looks at the political and corporate power behind the facility.

The official music video for Johnny Cash's cover of Nine Inch Nails' Hurt, from his American Recordings era, filmed late in his life. It is a stark, emotional performance of the song.

Barely Sociable presents a case that Bitcoin creator Satoshi Nakamoto is cryptographer Adam Back. It uses interview clips and circumstantial evidence, and also touches on the block size dispute.

An 8-minute explainer on the Lightning Network and how it relates to Segwit, Bitcoin and Litecoin. It covers how off-chain payment channels route payments to scale blockchain transactions.

A short 2013 video in which Roger Ver says Mt. Gox's withdrawal delays are not caused by a lack of liquidity. Mt. Gox collapsed months later, and the description carries a later update and apology.

A short Channel NewsAsia interview clip in which MasterCard's Southeast Asia president voices distrust of cryptocurrencies produced by anonymous computers in anonymous places. It is part of the Perspectives series and runs about four minutes.

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.

A short CNN clip of Peter Thiel telling Google chairman Eric Schmidt that Google has huge cash reserves and does not know how to invest them. Thiel argues this signals a lack of innovation.

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.

A step-by-step animated explanation of how SHA-256 works, from padding and message schedule to the compression function and final hash, with source code for the animations.

Coffeezilla gives a comprehensive history of Tether, the stablecoin issued by a company controlled by the owners of Bitfinex. He lays out accusations that it is not fully backed.

A short clip from Breaking Bad in which Saul Goodman teaches Jesse Pinkman how a cash-heavy business like a nail salon can launder drug money.

A 13-minute video in which Ted Nelson lays out his theory about who created Bitcoin, proposing that Satoshi Nakamoto is a pseudonym for mathematician Shinichi Mochizuki.

Anders Brownworth gives a basic visual introduction to blockchain using an interactive web demo, covering SHA256 hashes, blocks, chains, distribution, tokens and coinbase transactions.

Lex Fridman interviews Ethereum co-creator Vitalik Buterin about Ethereum, cryptocurrency and the future of money. The conversation also touches on technical topics such as quantum computing and mining.

The opening lecture of MIT's Blockchain and Money course taught by Gary Gensler, covering the course plan, the history of failed digital currencies, cryptography and what a blockchain is.

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.

Rick Falkvinge responds to viewer feedback on his earlier Lightning Network video and raises a flaw he says was not previously discussed. The main thread is the network's unsolved routing problem.

Episode 4 of Mike Maloney's Hidden Secrets of Money, explaining how currency is created through a chain of IOUs among the Treasury, banks and the Federal Reserve. It covers bonds, Fed checks, debt, taxes and fractional reserve lending, from a gold-and-silver advocate's viewpoint.

Ward Cunningham explains the history and intent of the debt metaphor, which he coined while refactoring the WyCash product. He says debt means code reflecting an incomplete understanding of the problem, not sloppy programming.

Roaring Kitty's July 2020 analysis of GameStop, arguing a bullish deep-value case when the stock was about $4 and short interest exceeded 100%. It covers fundamentals, cash balance and technicals.

Matt Parker of Stand-up Maths explains why people keep making the same mistake with millions and billions, using a Bloomberg cash calculator example. He looks at the unit slip behind the repeated arithmetic error.

Institute for Justice footage of Nevada Highway Patrol troopers seizing the life savings of Stephen Lara, a retired Marine, during a traffic stop under civil forfeiture. The video documents the stop and the case that followed.