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6 votes

How are funds verified?

How does a miner verify that the funds are available and not already spent without iterating through the entire Blockchain? Full nodes do iterate through the entire blockchain, but only once. As they ...
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  • 17.4k
3 votes

How are funds verified?

Tl;dr: Bitcoin is cash, not a bank account. Mints don't keep track of which people hold each of their coins or how much of their cash each person holds. Mints provide users of their coins with some ...
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3 votes

How are funds verified?

How does a miner verify that the funds are available and not already spent without iterating through the entire Blockchain? In order to know all the unspent transaction output you need the entire ...
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  • 278
2 votes

I used support bitcoin wallet address by mistake! How do I get that back to put into my wallet

I use their support Bitcoin wallet address instead of using my wallet Tell them you sent them money by mistake, mention the transaction ID, and ask them to send you the same amount back (less ...
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2 votes

How are funds verified?

Spendable funds in Bitcoin are tracked in the form of Unspent Transaction Outputs (UTXOs). Each transaction consumes some existing UTXOs in the inputs, and creates new transaction outputs to assign ...
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  • 64.5k

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