Bitcoin Q&A: What are “bitcoin days destroyed”?

Bitcoin Q&A: What are “bitcoin days destroyed”?

On “bitcoin days destroyed,” Grinners asks, “Bitcoin days destroyed is calculated by taking… the number of bitcoins multiplied by the number of days since those coins were last spent.”‘ “What is the significance of this? What does this actually tell us?” It gives us an idea of the maturity of coins, how often coins are […]

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Bitcoin Q&A: Spam transactions and the fee market

Bitcoin Q&A: Spam transactions and the fee market

“What are your thoughts on VeriBlock being responsible for one quarter of bitcoin transactions in January…” “by using the OP_RETURN script for proof-of-proof?” This is a question from Jonathan. I am not familiar with the case of VeriBlock, but nevertheless… Let’s assume that is an accurate representation and VeriBlock is using a quarter of bitcoin […]

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Bitcoin Q&A: What will Bitcoin Core 1.0 look like?

Bitcoin Q&A: What will Bitcoin Core 1.0 look like?

“What would Bitcoin Core 1.0 look like? I believe Satoshi first ran bitcoind 0.1.” “With all of the years [behind it] so far, any ideas about what Bitcoin Core 1.0 could possibly look like?” Right now, we are at version 0.17. I don’t know of any plans to move from the sub-version numbering to 1.0 […]

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How to buy Bitcoin with Trezor: Entering amount in BTC

How to buy Bitcoin with Trezor: Entering amount in BTC

The Buy crypto feature lets you buy the cryptocurrency you wantfrom the Trezor Wallet interface.Navigate to the Buy tap and enter the amount of crypto that you want to buy.You’ll see the offers from our partner exchanges below.Choose the offer you want and click Continue.You will see that the receiving address for your selected accountis […]

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Ethereum Q&A: We are all blockchain weirdos

Ethereum Q&A: We are all blockchain weirdos

[AUDIENCE] Hi Andreas. I will try to not fan-boy out here. [Laughter] Quick question. I’m in the space since 2016.Since the last influx [of new people in] 2017, I feel like there was a movement [of debate]…about Bitcoin versus Ethereum.I personally appreciate their differences. I like them both individually for what they are.However, I feel […]

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Bitcoin Q&A: How do payment channels work?

“Can you explain the Lightning Network and how payment channels with ‘locked’ funds work?”Yes. Let’s start with payment channels.Payment channels are [opened from]…transactions on the Bitcoin network that lock funds in a 2-of-2 multi-signature address.If I have a payment channel with Alice, that has [bitcoin] locked [in a multi-sig with one key from each of […]

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Attacks on Ethereum Smart Contracts

Attacks on Ethereum Smart Contracts

Hey everyone!This is David Wong, and in this video I will talk about attacks on Ethereum smart contracts.And I’m not making things up, I’m just giving you a tl;dr of this paper called“A survey of attacks on Ethereum smart contracts”.It’s written by Nicola Atzei, Massimo Bartoletti and Tizianna Cimoli from the university ofCagliari (Italy)So if […]

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Ethereum Q&A: The legality of smart contracts

“Is a smart contract legally accepted? What happens if one party defaults?”That is a really great question. I think the term “smart contract” is very confusing for most people.What is a smart contract? Well, it is not smart and it is not a contract. A smart contract is a dumb program.A smart contract is a […]

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Picking the Right Blockchain for the Job

Picking the Right Blockchain for the Job

Today, I want to talk to you about which blockchain is the “best” blockchain.Are you ready? Let’s ask the audience.Altogether, at the count of three, you shout out which blockchain you think is the best.Three, two, one… [Audience shouts] Fantastic.That is what subjective experience is all about. We all have opinions, but opinions really don’t […]

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