Bitcoin

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3
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1answer
53 views

Did Satoshi invent UTXOs?

Did Satoshi invent the UTXO model (the concept of "unspent transaction outputs" that are spent fully when invoked, leaving new UTXOs and "change"), or was the UTXO model based on ...
3
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1answer
82 views

History of Bitcoin's Networks

Bitcoin main net was launched on January 3, 2009 at 19:15:05 UTC. But what is the history of the two other network options in Bitcoin: testnet and regtest? I think testnet is on version 3, what was ...
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0answers
37 views

How to save history of my previous bitcoin wallet?

I have 2 bitcoin wallets. Let's call them "old" and "new". I been using my old wallet for many years, it contains long history of buying and selling BTC. Now I decided to use my ...
0
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2answers
105 views

Did Satoshi make any kind of "farewell speech" before leaving?

As I understand it, Satoshi has not posted anything online for many years now. Exactly when the last time was is apparently fuzzy. Assuming that he didn't die (or was murdered), would he not have made ...
0
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0answers
64 views

Help analyzing this color coded hexdump of the Bitcoin blockchain

Sample of genesis, growth, and current height Sample of the latter part and the end of blk02655.dat. This probably covers parts of the last 10000 blocks. Process here: https://twitter.com/...
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0answers
58 views

Major changes to Bitcoin since original paper

Is there a history of the major changes/additions (as well as perhaps major proposals) to Bitcoin since the original paper by Satoshi? I realize of course that one can read through the BIPs and ...
1
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1answer
51 views

What has OP_RETURN been used for over Bitcoin's history?

What has OP_RETURN been used for over Bitcoin's history? How were these use cases enabled?
5
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0answers
49 views

What prior work influenced the design of the Bitcoin instruction set?

The "Script" system used by Bitcoin transactions is commonly described as a Forth-like, stack-based language. What prior work influenced the design and layout of the Script instruction set? ...
0
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1answer
72 views

How can I get the transaction history of a bitcoin address?

Lets say that I have a bitcoin address that is not owned by me. Is it possible to get that address's full transaction history (send/receive addresses and amount), and if the owner bought bit coins ...
13
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3answers
7k views

When, if ever, will "peak bitcoin" occur?

My (limited) understanding of bitcoin and other cryptocurrencies is that the costs of "mining" bitcoins was quite low in the early days, and the limiting factor in how fast they were mined ...
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0answers
28 views

Does anyone know of any surverys/statistics on the Bitcoin ownership demographics?

I've only been able to find stuff from coin.dance, but was wondering if any of you have stumbled upon better data.
1
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1answer
42 views

Why does the first bitcoin client only supported windows

Starting from version 0.1.0 up to 0.1.5 the bitcoin software could be run only on only Windows 2000 / Windows NT and Windows XP Was there a technical reason from Satoshi for this choice of operating ...
0
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1answer
62 views

"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 ...
3
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1answer
350 views

Where can I find the technical discussion between Satoshi and other contributors in the sourceforge website?

Where I can find the technical discussion between Satoshi and other contributors in the sourceforge website? I read the book of Satoshi in spanish and really excited about his comprehension of the ...
2
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0answers
56 views

I found evidence Hal Finney was working on Bitcoin (05 Jan 09) before v.0.1 was released (09 Jan 09). Is there any evidence he was involved earlier?

I found evidence Hal Finney was working on Bitcoin (05 Jan 2009) before v.0.1 was released (09 Jan 2009). Is there any evidence he was involved earlier? https://web.archive.org/web/20090105145118/http:...
5
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2answers
677 views

When did the main Bitcoin client become known as Bitcoin Core? When/Why/How did this happen?

Afaik at some point in 2014/2015, Bitcoin became known as 'Bitcoin Core'. I assume this was to differentiate it from other implementations of Bitcoin. When and how did this decision come about?
4
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0answers
123 views

Satoshi introduced the 1MB block size limit in a commit. Why did Andresen make an identical commit some days later?

Satoshi added the 1MB block size limit in this commit on 15 July 2010 https://github.com/bitcoin/bitcoin/commit/a30b56ebe76ffff9f9cc8a6667186179413c6349 https://sourceforge.net/p/bitcoin/code/103 ...
2
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0answers
55 views

Who were the Bitcoin maintainers before 2014? When did maintainers gain/lose merge access? [duplicate]

The Bitcoin lead maintainer and co-maintainers have merge access (i.e. they can approve changes to Bitcoin source code). We can see who the maintainers were since 2014: https://github.com/bitcoin/...
1
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1answer
279 views

Where can I find the core binaries for v.0.1.5 to v.0.3.21?

I have been looking for core binaries (i.e. win32-setup.exe & win32.zip & macosx.zip) for earlier clients. Any advice on where they are hosted? They have all been removed from SourceForge. ...
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0answers
74 views

Where can I find data for abandoned blocks (74,638 to 74,690) for the Value Overflow Incident when ₿184 billion BTC were accidentally created?

I already have data for all the Mainchain Blocks. Where can I find data for the orphaned/abandoned blocks (74,638 to 74,690) before the re-organisation occurred? I can only seem to find information ...
3
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1answer
293 views

When did Satoshi Nakamoto release Bitcoin v.0.1 to the public? 08 Jan 09 or 09 Jan 09?

Many websites say Satoshi Nakamoto released Bitcoin on 09 Jan 2009 (Source 1) (Source 2) (Source 3). After looking through the Satoshi Archive, it seems to have been released on 08 Jan 2009 (Source). ...
3
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1answer
98 views

Was it always required for the Coinbase transaction to be the first transaction in a block?

The user tempo mentioned on another topic: "At least in the early protocol versions it was possible to put the coinbase transaction not on the top of the outputs." I have never heard about this ...
21
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2answers
4k views

How did Nakamoto untraceably pay for registering bitcoin.org?

Wikipedia says "Nakamoto created a website with the domain name bitcoin.org" and "transferred several related domains", while bitcoin.org says it was "originally registered ...
7
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2answers
307 views

What was the longest held UTXO ever spent?

What output had the longest period between when it was created and eventually spent?
0
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1answer
53 views

What year did bitcoins come out?

I purchased one in 2009 or 2010 . I want to know how I would recover it. I was sent to prison I would like to know asap please and thank you .
2
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0answers
39 views

What in detail makes the Coinbase in the Genesis Block unspendable? [duplicate]

I was aware that the Genesis block's reward was unspendable, and that there was no UTXO for it in the UTXO Set. I thought that this was due to the Genesis block being hardcoded and the actual ...
4
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2answers
2k views

How was the dust limit of 546 satoshis was chosen? Why not 550 satoshis?

Is there a reason why 546 satoshis was chosen as dust limit instead of 547 or even 550 satoshis, historically?
5
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3answers
2k views

What was the first altcoin?

I'm aware that LiteCoin is (was?) the "silver" to bitcoin's "gold". The question is: What was the first altcoin? Was it actually LiteCoin or was there something else? For the purposes of "alt ...
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1answer
51 views

Have there been any examples of people manipulating transactions in a way that waiting for more than 1 confirmation would avoid?

A lot of bitcoin exchanges require some minimum amount of confirmations before they consider money deposited. Is there any evidence that this actually does anything? Has someone ever before ...
2
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1answer
74 views

Is there a documentation of the first altcoins timeline?

Meaning, which altcoin was created one, in a chronological order. It's interesting, from a historical perspective, to collect such an archive.
0
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1answer
42 views

What is the longnest blockchain fork that has been orphaned to date?

On this thread, the user asked what is the longest unintentional fork that Bitcoin had suffered. From the answers present, Bitcoin never had a >4 block fork until 2012. It has been 6 years though, ...
1
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0answers
36 views

What is the oldest physical bitcoin artifact?

The bitcoin network has been running since early 2009, but what is the oldest physical artifact related to bitcoin? I don't mean computer hardware that was used to run bitcoin, unless it is designed ...
0
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1answer
28 views

What are the three values in the csv graph of price history?

I wanted to look up the price history of bitcoin on different exchanges (in order to compare them in one graph) and I found this site with the data organized in csv type files. What do the three ...
5
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2answers
868 views

How did pay-to-pubkey hash come about? What is its history?

We know that early blocks all used pay-to-pubkey (p2pk) and at some point, we mostly switched to pay-to-pubkey-hash (p2pkh). What is the history behind this? Who made the changes and when did p2pkh ...
0
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1answer
37 views

any website tracking history of circulating tokens of any coin?

Is there any website dedicated to tracking history of circulating tokens of any coin? Ideally, for each time a crypto has tokens added or removed to its circulating amount, we'd want to know: amount ...
1
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0answers
57 views

What's the history behind the first btc exchange [closed]

I've found out that the first BTC exchange was "BitcoinMarket.com" but I didn't find any information on it or any other exchanges that started at that time. So the question is how did this first ...
1
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1answer
205 views

At the beginning. when nobody owned bitcoins. what was being minned? [duplicate]

what I understood about mining a block is that, New/pending transactions are to be verified and placed into a block solving the proof of work. The miners are rewarded for this task. In the very ...
7
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2answers
226 views

When was the paper of bitcoin announced?

When examining about this, it is said that many are November 1, 2008, but on the other hand, there are sites that are on October 31st. Which one is correct?
4
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2answers
256 views

What is the significance of Bitcoin Pizza Day, and when is it celebrated?

Today, at Consensus 2017, some people were talking about getting Pizza to celebrate Bitcoin Pizza Day. What is the story behind that, and when is it celebrated?
1
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2answers
339 views

Have the early mined coins been moved/transacted?

Has anyone done an analysis of the early coins mined by Satoshi and Hal Finney? Have those coins been moved/spent/transacted? I wonder whether Satoshi has been cashing in on his collection or does he ...
2
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0answers
101 views

In what ways was the "Hong Kong Agreement" infringed upon?

There is a favorite talking point in some parts of the community claiming that this or that party broke the Hong Kong Agreement. Mentioned are for example: Delivery time of SegWit Delivery time of ...
4
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1answer
97 views

Is Bitcoin the first e-cash scheme which solved the double-spend problem?

Is Bitcoin the first trustless e-cash scheme which solved the double-spend problem? I'm under the impression it is and that was one if its greatest contributions, but I couldn't really find a source ...
2
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1answer
88 views

Do I spare 80Gb to only keep the blockchain and do I need it to be always present?

I am new to Bitcoin, reading a book and just downloaded a client. On site I read the note that I would need about 65-80gb to keep the whole history of transactions. What happens when it downloads the ...
1
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1answer
101 views

MtGox's secondary market?

I remember back in the day when MtGox halted its BTC withdrawals, someone put together a secondary market exchange for trading MtGoxBTC for actual BTC. You could deposit MtGox BTC to it since the ...
10
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1answer
2k views

The incident with 92 billion bitcoins

There is a documented case from 2010 when a block with 92 billion bitcoins was discovered. The bug was found and software was patched within 5 hours and everyone had to "hit the load button" to an ...
6
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3answers
1k views

What is the most expensive Bitcoin purchase ever made?

Relying only on publicly disclosed data, what is the most expensive Bitcoin purchase that has ever occurred? "Expensive" can be determined either by: Highest purchase price in Bitcoins Highest fiat ...
9
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2answers
3k views

Where did the idea of blockchain come from? Git was already using it since 2005

With bitcoin's blockchain, each block's hash is computed with the previous block's hash. That makes all blocks an immutable chain. This is not the first time people used a hash-chain. As far as I ...
5
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2answers
3k views

Why does Satoshi's public key have the uid "BuZz Spacedout"

This is more of a historical question about bitcoin than a technical question. Hope that's okay... Does anyone happen to know why the public key numbered: pub 1024D/5EC948A1 2008-10-30 ...
-1
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1answer
67 views

The begining of Bitcoin [duplicate]

I want to ask, how was the first Bitcoin made? And how can it be made? Every time I think of Bitcoin, these questions come to my mind.
2
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1answer
117 views

What explanations are there for the bubble of 2013 and subsequent Bitcoin price in 2014?

I'm having a look at the price history of Bitcoin/USD, and there's a significant spike around the end of 2013 (to USD 1137), followed by a very volatile year in 2014 that ended with Bitcoin around USD ...

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