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David A. Harding
  • Member for 7 years, 6 months
  • Last seen more than a week ago
61 votes
Accepted

What are Channel Factories and how do they work?

36 votes
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What are the implications of Schnorr signatures?

27 votes
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How big is the UTXO database?

26 votes
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What is a thin client?

19 votes
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Is it chain of headers rather than a chain of blocks?

18 votes
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How is the target section of a block header calculated?

17 votes
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Is sha-1 used in Bitcoin?

16 votes
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Is centralization in the Lightning network inevitable? Why (not)?

16 votes
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Why does the default miner implementation use pay-to-pubkey?

15 votes
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"HTLCs don't work for micropayments"?

14 votes
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What is a hash pre-image as it is used for the breach remedy?

13 votes
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What is time warp attack and how does it work in general?

12 votes

Ubuntu Linux -- How do I start bitcoind as a service to run automatically?

12 votes
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When to worry about 1-confirmation payments

11 votes
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Is there a maximum size of a scriptSig/scriptPubKey?

11 votes
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How much of BIP 62 ("Dealing with malleability") has been implemented?

11 votes

Are people incentivized with BTC to run nodes?

11 votes
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Where are P2SH full redeem scripts stored?

10 votes
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What prevents similar time-warp attacks in Bitcoin as happened to Verge?

10 votes
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If Bitcoin transactions require ~10 min to clear, how can payments get recognized within seconds?

9 votes
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Why do you need the *complete* blockchain to mine bitcoins, why not just the last n blocks?

9 votes
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Is it possible to "unmine" particular coins?

9 votes
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Are Micropayment channels still subject to malleability after BIP65?

9 votes
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What if some group of people start sending small transactions from wallet to wallet just to make the blockchain bigger?

9 votes
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What is preventing negative balance?

8 votes
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What are the units of "difficulty"?

8 votes
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What's the use of not relaying non-standard transactions if anyone can still use them using P2SH?

8 votes
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Breaking down a raw transaction:

8 votes
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Can a Bitcoin block be less than 1mb?

8 votes

Why doesn't bitcoin place additional constraints on competing block chain forks, other than length of chain? (e.g., time and confirmation count)

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