Questions tagged [verification]

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How many bitcoin transactions can be verified per second on commodity hardware in 2020?

I am trying to figure out how many Bitcoin transactions could be verified per second. Am I correct that signature verification is more expansive than computing Merkletrees and hashes and constitutes ...
2
votes
1answer
160 views

Address Verification Failed / View on Tresor Address don't Match

Using LTC wallet on new Trezor. On "Receive Payment" tab, clicking eyeball icon, the address shown on the Trezor does not match the address shown on screen. What gives? Did I already get hacked?
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0answers
41 views

Proving sendership of transactions

Why does Bitcoin Core, on the message verification tab, say that verifying messages signed by Bitcoin addresses "only proves the signing party receives with the address, it cannot prove sendership of ...
1
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0answers
38 views

How verify (in C++) input signature?

First small problem: blockchair.com give me only output scripts, not input - is any blockexplorer online with it? I read binary data and this may be hard recreate my sample data and verify. I test BTC ...
1
vote
1answer
67 views

Running bitcoin node with already verified blockchain

I'm following this guide https://stadicus.github.io/RaspiBolt/ to setup a bitcoin full node on my new raspberry pi. I already downloaded and verified the blockchain on my host machine. I also pruned ...
1
vote
0answers
101 views

How long to verify transaction is not overdrawn?

Given that the block chain is 140gb now, how long does it take a node or a miner to verify that a transaction is valid i.e. Not giving negative balance for an address? Also, given that the number of ...
1
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0answers
100 views

Why do transactions get verified before it is clear that the block header is valid?

When I researched for the answer on What happens in detail, when Bitcoin Core verifies a block during synchronization?, I noticed something: According to the Wiki-Entry on Protocol rules some of the ...
0
votes
1answer
48 views

How can a reciever verify that transaction data was not altered by 3rd party?

My scenario: My web server: - Generates private and public, and a wallet address from the public key for a user website account - Server can not connect to the outside (Can not connect to the Bitcoin ...
0
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0answers
120 views

Buying a coin only available on Bittrex (also Poloniex)

Is there an easier/alternative route to go about purchasing a currency that is only being traded on Bittrex? After attempting the basic verification, I received an error saying that there was NO ...