Unchained

The IRS found three entities using bitcoin to evade taxes and has now demanded the records of millions of users at Coinbase, the largest U.S. cryptocurrency exchange. An accountant and an attorney specializing in cryptocurrency discuss whether the IRS is overreaching, how this "unprecedented" case differs from previous ones pursued by the IRS, and what they think the ultimate outcome will be. Read...

CME Group handles three billion contracts worth about $1 quadrillion annually. So why is it making a foray into bitcoin, whose market capitalization is a mere $16 billion? Sandra Ro, CME's head of digitization, explains its first cryptocurrency products, the Bitcoin Reference Rate and the Bitcoin Real-Time Index, as well as a forthcoming blockchain-based product, Royal Mint Gold. She also reveals...

Kathryn Haun put away the DEA and Secret Service agents who tried to make off with more than $800,000 in stolen bitcoin while investigating the darknet Silk Road marketplace. She talks about how the blockchain technology underlying Bitcoin made it possible to uncover their theft, why she believes blockchain will create a lot of good, and what she does when the very people behind tumblers and mixer...

As blockchains and cryptocurrencies evolve, there are times when the technology outpaces the law. That's when Coin Center steps in. The non-profit, which represents the technology, not the industry, and aims for regulators to keep a mostly hands-off attitude, has already helped shape questions around which types of Bitcoin wallet providers are financial institutions and whether new coins being off...

Cornell University computer science professor Emin Gun Sirer, an influential figure in the cryptocurrency and blockchain space, describes his ideas for improving security in the space, his skepticism about how to scale these networks, and how the last time financial institutions invested in their systems appears to be for Y2K. He also tells us how growing up in an environment where he saw a lot of...

Michael Casey, senior advisor at MIT's Media Lab and author of the Age of Cryptocurrency, spent 18 years at the Wall Street Journal -- a good portion of that covering currency markets. But he says it wasn't until he learned about Bitcoin that he really understood what money was. In this episode of Unchained, he explains why, plus discusses why he thinks China will play a key role in moving the wor...

Tyler and Cameron Winklevoss, CEO and President, respectively, of cryptocurrency exchange Gemini, talk about the importance of regulation in a sector once associated in popular culture with illicit activity. The twin brothers, who were the first to file with the SEC for a Bitcoin ETF, recount how they went from competing in the Olympics to launching a cryptocurrency company, explain why they belie...

“Shifting from a perspective of 'only humans control money' to 'machines and software control money' is really radical and it changes a lot of things,” says the popular blockchain and Bitcoin author and speaker Andreas Antonopoulos. Antonopoulos discusses why the real magic of blockchain is decentralization, why criticisms that Bitcoin is a waste of energy are wrong, and why he now charges a 20% p...

Jason Weinstein and Alan Cohn, partner and of counsel, respectively at law firm Steptoe & Johnson, discuss their work with the Blockchain Alliance, a coalition of both blockchain and cryptocurrency companies as well as law enforcement agencies including Interpol, the FBI, the SEC, Europol and others. Find out how crime in Bitcoin is similar to all types of crime, what genuinely new questions are b...

As blockchain technology remakes financial services, some companies will be better positioned than others, says Adam Ludwin, CEO of Chain, which has partnered with incumbents like Visa, Citi and Nasdaq. Ludwin describes which types of firms will emerge winners and the mindset of the executives who really get it. He also explains why he is certain central banks will one day issue digital currency....

Invest in oil and gold? In this episode, the co-authors of a compelling white paper explain the four reasons why they believe you may soon be investing in digital oil and digital gold instead. Find out why their analysis prompted Burniske to say of bitcoin, "That's an investor's dream," why White mentioned the saying, "On the blockchain, no one knows you're a refrigerator," and how well ARK's inve...

Bill Tai, a venture capitalist who got his start as a computer chip designer in the 1980s, places blockchain in the context of the broader technological revolution of the last three decades. He also reveals how Bitfury, a company in which he's an investor and board member, built a more efficient chip though the designers had never been formally trained; what blockchain advocacy group was founded i...

Matt Roszak, a venture capitalist for 20 years, discusses how his new company Bloq, cofounded with former Bitcoin core developer Jeff Garzik (from talks they began on Necker Island last year), serves enterprise clients and envisions a multi-chain future in which different blockchains can connect with each other. He also gives his thoughts on business models in a decentralized future and the influe...

Elizabeth Rossiello talks about how she went from being a credit ratings analyst for microfinance investors to heading up an "international mobile money" company for sub-Saharan Africa that uses Bitcoin's rails. Along the way she reveals how convoluted, expensive and unreliable the movement of money into and out of Africa can be -- many people sending money in envelopes via regional buses and even...