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8 Questions

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1

vote

0

answers

31

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Why do Merkle trees have a structure such that everything is in pairs? [duplicate]

merkle-tree

Jun 29 '18 at 20:26 Murch♦ 43.8k

1

vote

2

answers

140

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What happens if full nodes don't check for double spends or deliberately lets a double spend TX pass and then this full node relays the transaction?

transactions mining-reward nodes doublespend proof-of-work

Jun 26 '18 at 17:08 David Schwartz 48.2k

1

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95

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What happens to rejected transactions ( i.e double spend or invalid transactions)?

transactions doublespend orphaned-blocks block-validity

Jun 18 '18 at 22:10 chytrik 11.8k

1

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3

answers

605

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Public key cryptography question - Is Private or Public key used to sign? Confusion between which key is used to sign and which is used to encrypt

transactions private-key public-key signature cryptography

May 2 '18 at 22:33 Meni Rosenfeld 18.8k

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51

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Bitcoin transaction scripts : does ScriptSig or ScriptPubkey run first? [duplicate]

transactions bitcoin-core block script scriptsig

Jun 21 '18 at 20:44 DCH 47

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votes

1

answer

71

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What does a bitcoin transaction contain?

transactions bitcoin-core hash signature utxo

Jun 15 '18 at 3:09 shan1019 1

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votes

1

answer

60

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How do offchain transactions get validated/confirmed whilst using Lightning network?

transactions proof-of-work consensus validation off-chain

Jun 13 '18 at 20:10 Community♦ 1

0

votes

1

answer

419

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Can the Large Bitcoin Collider project 'break' into offline hardware wallets like the Nano Ledger S?

wallet private-key coldstorage ledger hardware-wallet

May 3 '18 at 5:23 Rodrigo de Azevedo 153

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