Ethereum Q&A: What happens if there are bugs?

Ethereum Q&A: What happens if there are bugs?

“What should be done when things go wrong with smart contracts,where funds are lost due to code error and bugs?”This is a really great question. In fact, it is the basis of a giant debate happening primarily in Ethereum.It started with the Decentralized Autonomous Organization (theDAO), which had a massive bug…leading to the loss of […]

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Bitcoin Q&A: Directed acyclic graphs (DAGs) and IOTA

Bitcoin Q&A: Directed acyclic graphs (DAGs) and IOTA

“What is your opinion on directed acyclic graphs (DAGs)? [Do they] truly have the potential to replace…open and decentralized blockchains? Or is it vaporware?”I don’t think the question is an ‘either / or.’I don’t think directed acyclic graphs, tangles, or other similar formulations, can replace proof-of-workor open decentralized blockchains. I think that’s because proof-of-work brings […]

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The Internet: Encryption & Public Keys

The Internet: Encryption & Public Keys

Hi my name is Mia Gil-Epner, I’m majoring in Computer Science at UC Berkeley and I workfor the Department of Defense, where I try to keep information safe.The Internet is an open and public system.We all send and receive information over shared wires and connections.But even though it’s an open system, we still exchange a […]

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Bitcoin Q&A: Altcoins and specialisation

Bitcoin Q&A: Altcoins and specialisation

‘Anonymous’ asks: “What crypto-assets or technologies interest you, besides Bitcoin and Ethereum?”I’m interested in a number of different technologies.I’m particularly interested in the privacy-related technologies,because I think privacy is a very important thing.Blockchains that are pioneering and testing various forms of privacy and anonymity, etc.including things like Monero and Zcash.I am interested in some of […]

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Bitcoin Q&A: 2FA and secure hardware

Bitcoin Q&A: 2FA and secure hardware

[AUDIENCE] Hey, Andreas.Thank you so much for everything that you’ve done for the Bitcoin community and open blockchains.My question is, how secure is Google Authenticator? Can they hack [your wallet] as a middleman? Thank you.That is a great question. Google Authenticator is a one-time password, two-factor authentication system…that has a security key installed on your […]

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Ethereum Q&A: ‘Coin’ and ‘token’ terminology

Ethereum Q&A: ‘Coin’ and ‘token’ terminology

“Is a colored coin a meta-coin?”I think the term “meta-coin” has only been used by me.I coined it back in 2014, when writing the first edition of ‘Mastering Bitcoin.’I wanted to differentiate between altcoins that have their own blockchain,and coins that use metadata on top of another blockchain.Nowadays, I don’t think that term is useful. […]

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Highlights: The Internet of Money – Vol 2

Highlights: The Internet of Money – Vol 2

When I’ve discovered itI spent four monthsconsuming as much as I couldexcept food.I lost 26 poundson the highly inadvisable dietof obsession.These open, borderless, decentralized, censorship-resistant …And the reason it’s so fascinatingis because it isn’t what it appears to be at first glance …Greece, Cyprus, Spain, Venezuela, Argentina,Brazil, India, Turkey, Pakistan, the Ukraine –what do these […]

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Ethereum Q&A: ICOs and pyramid schemes

Ethereum Q&A: ICOs and pyramid schemes

[AUDIENCE] My question is, what if the United States and the European Union ban exchanges,like [they did with] gambling sites and the pyramid scams in China?What is the solution to that? Thank you.[ANDREAS] That is a great question. What is the solution to [various] pyramid schemes and Ponzi schemes…that are occurring on a daily basis […]

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