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Bitcoin Cryptocurrency Mastering Development

Additional Bitcoins sent during a transaction

Ive spent a lot of time reading threads but can’t find anything that matches/explains this transaction that has got me worried: I sent 0.05 BTC from my Bitcoin core wallet to my coinbase wallet, but it has remained unconfirmed for 7 days (and counting now) because I set the transaction fee too low. I was […]

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Bitcoin Cryptocurrency Mastering Development

Can somebody explain this privacy concern with Bitcoin once and for all?

I have a wallet.dat in Bitcoin Core. I generate a new receive address. I give it to some random person who knows my identity. They send me 1 satoshi to that address. How exactly can they then "know my Bitcoin balance and exactly who I do business with"? I have a wallet.dat in Bitcoin Core. […]

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Bitcoin Cryptocurrency Mastering Development

“At first, anyone could spend anyone’s coins”?

I’ve been watching this Bitcoin video: https://youtu.be/ZIugzFygviw?t=294 At the linked-to timestamp, he claims that: Due to bugs, at first, anyone could spend anyone’s coins! I’m not saying that I think he’s lying, but was Bitcoin really that buggy initially? That’s honestly a bit shocking to hear for me. I did think that Bitcoin was quite […]

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Bitcoin Cryptocurrency Mastering Development

To test if my wallet.dat encryption password is correct, MUST I spend coins?

When a Bitcoin Core wallet is encrypted, you (apparently) have to enter the decryption passphrase only when trying to spend coins. You still get to "use" the wallet as in seeing all the transactions and labels. I’m worried that my saved passphrase (partially on the computer/paper and in my head) is not correct. But to […]

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Bitcoin Cryptocurrency Mastering Development

Bitcoin lawyers that can help trace, indict and recover scammed funds [closed]

Any recommended bitcoin or cryptocurrency lawyers on an international scale that can help recovering scammed funds to the tune of six figures all the way from tracing tumbled transactions through the blockchain to actually making an indictment? As long is it’s a known (blockchain) specialist, this personal (client) approach might be more effective than reporting […]

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Bitcoin Cryptocurrency Mastering Development

removing bitcoin from instawallet

I recently sent $500usd in bitcoin to my instawallet wallet. Well I have conformation that it was sent, but can not find it anywhere on my instawallet account. How do I remove the funds without having to have a full bitcoin for the card? Help please I cant afford to lose that btc.

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Bitcoin Cryptocurrency Mastering Development

Can somebody explain what the point is of “Bitcoin Lightning” and “Bitcoin Liquid”?

Even for me, who has been "into" Bitcoin for almost since the start, constantly find new weird things mentioned which are just apparently taken for granted and exist suddenly and somehow have tons of support and users. Today, I learned about the existence of "Bitcoin Liquid". I had not heard of it ever until today […]

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Bitcoin Cryptocurrency Mastering Development

Wallet not located on blockchain

I cannot retrieve my wallet or my funds from blockchain although I have 12 word phrase. Please help. For the past 2 days it keep on saying it can not locate my wallet

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Bitcoin Cryptocurrency Mastering Development

Is it possible to “send” Bitcoin to yourself (new wallet) without announcing it to the network and without paying any fee?

I want to make clear that I’ve already performed said transactions, so I’m not asking this because I want to do it right now. I’m just curious. Basically, I’ve spent a number of very sweaty and nervous days "rearranging" most of my coins so that they will finally end up in an encrypted cold storage […]

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Bitcoin Cryptocurrency Mastering Development

If bitcoincore.org goes down how can I access it? What can I do to help others access it?

bitcoincore.org is a trusted resource for information on new Bitcoin Core releases and soft fork upgrades. How do I access it if it is taken offline? How can I help others access it if it is taken offline?